The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index; none of the 20 sources its claims cite is checked for support yet.
Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis
Open accessAbstract
Objective: To evaluate the comprehensive prevalence of anxiety among postgraduates and estimate its changes with a meta‐analysis. Method: Systematic retrieval to SAGE, ERIC, EBSCO, Wiley, ScienceDirect, ProQuest, PubMed, EMBASE, and Web of Science database was performed for quantitative studies on the prevalence of anxiety among graduate students published before November 22, 2022. The prevalence of anxiety synthesized with random‐effects model, and subgroup analysis was conducted by study characteristics (publication year, sampling method, and measurements) and subjects’ characteristics (gender, region, and educational level). Result: Fifty studies were included in the meta‐analysis, totaling 39,668 graduate students. The result revealed that 34.8% of graduates suffered from the anxiety (95% CI: 29.5%–40.5%). Specifically, 19.1% (95% CI: 15.4%–23.5%) had mild anxiety, 15.1% (95% C: 11.6%–19.6%) had moderate anxiety, and 10.3% (95% CI: 7.2%–14.6%) had severe anxiety. And this prevalence showed a upward trend since 2005. Besides, master students suffered slightly less than doctoral students (29.2% vs. 34.3%), and female had similar anxiety to male (26.4% vs. 24.9%). Due to the COVID‐19, the prevalence of anxiety is higher after the pandemic than that before (any anxiety: 34.3% vs. 24.8%). Compared with other countries, students from Saudi Arabia, India, and Nepal were more vulnerable. The results of quality assessment showed that, 5 (10%) were in high quality, 21 (42%) were in moderate to high quality, 21 (42%) were in low to moderate quality, and 3 (6%) were in low quality. But, the studies with low quality tend to report a higher prevalence than that with high quality (40.3% vs. 13.0%), studies with nonrandom sampling tend to report a higher prevalence than that with random sampling (33.6% vs. 20.7%). Although we included the data collected based on the standard scales, there were higher heterogeneity among the measure ( Q = 253.1, df = 12, p < .00). Conclusion: More than one‐third postgraduates suffered from anxiety disorder, and this prevalence had a slight upward trend since 2005, school administrators, teachers and students should take joint actions to prevent mental disorder of graduates for deteriorating.
Overview
AI snapshot
Written from the paper’s full text.
TL;DR
This systematic review and meta-analysis of 50 studies (39,668 graduate students) estimated pooled anxiety prevalence at 34.8% and reported a slight upward trend in any and severe anxiety since 2005. It found high heterogeneity and no significant gender or COVID-19 before/after differences in the main results, though the abstract reports some conflicting subgroup figures.
Key findings
- Pooled any anxiety prevalence was 34.8% (95% CI: 29.5%–40.5%); mild anxiety was 19.1% (95% CI: 15.4%–23.5%), moderate anxiety 15.1% (95% CI: 11.6%–19.6%), and severe anxiety 10.3% (95% CI: 7.2%–14.6%), with significant heterogeneity for any anxiety (Q = 4683.1, p < .00; I² = 98.9%).
- Meta-regression showed any anxiety increased slightly over time (β = .05, p < .00) and severe anxiety increased (β = .07, p < .00), while mild and moderate anxiety decreased (β = –.07 and β = –.09, respectively, p < .00).
- Subgroup analyses found master’s students had any anxiety prevalence of 29.2% versus 34.3% for doctoral students in the abstract (results text reports 29.2% vs. 34.2%); no significant gender difference was found (any anxiety: 41.2% vs. 35.5%; Q = 0.37, p = .54), and nonrandom sampling reported higher moderate anxiety than random sampling (13.3% vs. 5.9%; Q = 6.88, p = .01).
- The results section found no significant COVID-19 before/after difference in any anxiety (32.4% vs. 36.2%; Q = 0.45, p = .50), while the abstract states higher after-pandemic prevalence (34.3% vs. 24.8%).
Methods
- Systematic review and meta-analysis; searched SAGE, ERIC, EBSCO, Wiley, ScienceDirect, ProQuest, PubMed, EMBASE, and Web of Science through November 22, 2022, including cross-sectional English studies of healthy master’s or doctoral students using standardized anxiety measures; 50 studies totaling 39,668 graduate students were included, with data collected between 2005 and 2021 and 14 measures used.
- Random-effects meta-analysis was used, with subgroup analyses by study characteristics (publication year, sampling method, measurement) and subject characteristics (gender, region, educational level), plus meta-regression for trend, leave-one-out sensitivity analysis, funnel plots, and fail-safe N for publication bias.
- Quality was assessed with a modified Newcastle-Ottawa scale; 5 studies (10%) were high quality, 21 (42%) moderate to high, 21 (42%) low to moderate, and 3 (6%) low quality.
Limitations
- Stated by the paper: most participants were assessed through self-report inventories rather than gold-standard diagnostic clinical interviews; different anxiety criteria across self-rating scales caused significant heterogeneity; most included studies used nonrandom sampling, which may overestimate moderate anxiety; and 36% of studies had sample sizes under 300.
- Evident from the text: heterogeneity was very high (I² = 98.9% for any anxiety), and reported figures are inconsistent across sections—e.g., any anxiety 34.8% in the abstract/results versus 34.1% in the discussion, severe anxiety 10.3% versus 1.3%, and conflicting COVID-19 and gender subgroup numbers.
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Claims the paper makes
60 Own result · 7 Own interpretation · 7 No basis given · 6 Sources not found · 4 No full text of the sources · 4 Own method · 3 Check pending · 3 Not checked yet
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“the sample size from 36% studies was under 300”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > LIMITATIONS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
In the paper
“only two response rates in these studies were over 75% (Al‐Shayea, 2014; Negi et al., 2019).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not checked — no full text of the sourcecites Al‐Shayea, 2014
- Check pendingcites Negi et al., 2019 source
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
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A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“These results showed that there was no potential publication bias.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Publication bias
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Meta‐analytic pooling of the prevalence estimates of anxiety was 34.8% (N = 39,668; 95% CI: 29.5%−40.5%), with significant heterogeneity across studies (Q = 4683.1, p < .00; I 2= 98.9%).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
plainn = 39,668- Asserted: passes — The authors put it forward as true.
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- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The different standardized anxiety scales used in the included studies measure a comparable construct and can be pooled.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“we found a significant heterogeneity due to the different criteria for anxiety across these self‐rating scales.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > LIMITATIONS
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“especially in severe anxiety (β = .07, p < .00)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > The trend of anxiety prevalence among graduate students
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“DASS‐42 had a higher sensitivity of anxiety, especially for mild and moderate anxiety (any anxiety: 8.0%, Q = 528.2, df = 13, p < .00; mild: 36.0%, Q = 253.0, df = 5, p < .00; moderate: 32.0%, Q = 203.0, df = 6, p < .00);”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The results of subgroup analysis showed that the studies with nonrandom sampling reported a higher prevalence of moderate anxiety than that with random sampling (any anxiety: 33.6% vs. 2.7%; Q = 3.33, df = 1, p = .07; mild: 2.6% vs. 15.6%; Q = 3.09, df = 1, p = .08; moderate: 13.3% vs. 5.9%; Q = 6.88, df = 1, p = .01; severe: 8.3% vs. 7.5%; Q = 0.01, df = 1, p = .95).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Compared with other countries, students from Saudi Arabia, India, and Nepal were more vulnerable.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > Abstract > Result
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“studies with nonrandom sampling tend to report a higher prevalence than that with random sampling (33.6% vs. 20.7%)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > Abstract > Result
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
- It may state two separate claims as one. 12
- Probably not a substantial claim. 15
- The quote only partly states this claim. 3
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“But the evidence suggested an increasing trend in any and severe anxiety; thus, we still need to keep going to prevent this from getting worse.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“One reason is that 33 (66%) of the primary studies included were from China and the United States with 33,169 (83.6%) graduate students”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
plain- Asserted: passes — The authors put it forward as true.
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- Load-bearing: passes — The paper’s conclusions depend on it.
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It may state two separate claims as one.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Five of 50 (10.0%) reports were in high quality, 21 (42%) were in moderate to high quality, 21 (42%) were in low to moderate quality, and 3 (6%) were in low quality (Table 1).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Quality assessment
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“14 measures were used in primary studies.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The data were collected from the United States (n = 19), the United Kingdom (n = 2), China (n = 15), India (n = 4), Australia (n = 1), Jordan (n = 1), Egypt (n = 1), Poland (n = 1), Croatia (n = 1), South Africa (n = 1), Nepal (n = 1), and Saudi Arabia (n = 1).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“we found no obviously changing between before and after pandemic.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
The quote only partly states this claim.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The data were collected between 2005 and 2021”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“there were higher heterogeneity among the measure (Q = 253.1, df = 12, p < .00)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > Abstract > Result
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
The quote only partly states this claim.
- Rests on an assumption: The different standardized anxiety scales used in the included studies measure a comparable construct and can be pooled.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The proportion of females in each study ranged from 34.7% to 100%.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“students from Saudi Arabia and India experienced most anxiety and students from China and the United States reported lowest anxiety than that from other countries.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The sample size ranged from 40 to 4477, totaling 39,668 graduate students.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Rests on an assumption: The systematic search captured all relevant studies on anxiety prevalence among graduate students.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Five studies were collecting data with random sampling, 27 studies adopted convenience sampling method, and 18 studies did not report the sampling method.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Although there was no obvious change after the COVID‐19 pandemic occurred”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > CONCLUSIONS
plain- Asserted: passes — The authors put it forward as true.
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- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
The quote only partly states this claim.
In the paper
“the number of degree holders worldwide will reach 300 million by 2030 (OCED., 2013).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not matchedcites OCED., 2013
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“One reason for this is that the source of anxiety in the graduate student population was similar.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim.
In the paper
“based on the survey to 2279 graduate students across 26 countries, Evans et al. (2018) also presented that female suffered more major anxiety than male (43% vs. 34%) (Evans et al., 2018).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not checked — no full text of the sourcecites Evans et al., 2018 source
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
In the paper
“As reported that, 85% of postgraduate students spent 41+ h a week on their postgraduate program, still, 74% of them were inability to finish studies in the set time, and 79% had uncertainty about their job and career prospects (Woolston, 2019)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > INTRODUCTION
What the sources say
- Not checked — no full text of the sourcecites Woolston, 2019 source
plain- Asserted: passes — The authors put it forward as true.
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- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
In the paper
“The factors of anxiety among graduate students are various and universal, such as employment prospects, inability to maintain work–life balance, inability to complete academic tasks on time, high academic competition, and long study period (Woolston, 2019).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not checked — no full text of the sourcecites Woolston, 2019 source
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
What the paper did — it cites no source for this, so there is none to check. The quote shows it is in the paper.
In the paper
“This study was not preregistered.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > METHODS
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
None of the sources cited for this claim have been checked yet.
In the paper
“which is significantly higher than college students (Ramón‐Arbués et al., 2020) and even higher than the medical student population (Quek et al., 2019).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not checked yetcites Ramón‐Arbués et al., 2020 source
- Not matchedcites Quek et al., 2019
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
In the paper
“These results are consistent with the previous studies (Evans et al., 2017; Hoying et al., 2020), which revealed the high risk of anxiety disorder among postgraduate students.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not matchedcites Evans et al., 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Check pendingcites Hoying et al., 2020 source
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Not matched
In the paper
“the average share of younger adults with a tertiary degree has increased from 27% in 2000 to 48% in 2021 among 25‐ to 34‐years‐old (OCED., 2022)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not matchedcites OCED., 2022
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“This change of talent pool brings lots of pressure to master students, and they may lose their advantage from academic qualification in the job marketing in the future, which pushes them to pursue higher degree.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. It may state two separate claims as one.
In the paper
“As the report from WHO indicated that more women are affected by mental illness than men (WHO, 2017)”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not matchedcites WHO, 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Not matched
In the paper
“Convenience sample is drawn from a source that is conveniently accessible to researchers, but may not be representative of the population at large (Andrade, 2020).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
What the sources say
- Not matchedcites Andrade, 2020
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may state two separate claims as one.
- Not matched
What the paper did — it cites no source for this, so there is none to check. The quote shows it is in the paper.
In the paper
“majority of included studies adopted nonrandom sampling; as mentioned above, this may overestimate the prevalence of moderate anxiety.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > LIMITATIONS
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper relies on this without support.
The trajectory of change in anxiety prevalence among graduate students remained unclear before this review.
“and the trajectory of the change remained unclear.”
The paper relies on this without support.
The year of data collection accurately reflects whether the study was conducted before or after the COVID-19 pandemic.
“To explore the effect of COVID‐19, we compared the prevalence of anxiety between before pandemic (before 202) and after (2020–2021) based on the data collection year.”
The paper relies on this without support.
The different standardized anxiety scales used in the included studies measure a comparable construct and can be pooled.
“Although we included the data collected based on the standard scales, there were higher heterogeneity among the measure (Q = 253.1, df = 12, p < .00).”
The paper relies on this without support.
The systematic search captured all relevant studies on anxiety prevalence among graduate students.
“Systematic retrieval of the electronic database was performed, including SAGE, ERIC, EBSCO, Wiley, ScienceDirect, ProQuest, PubMed, EMBASE, and Web of Science database.”
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
The source backs part of the claim, not all of it — or backs it for a different population, condition or comparison.
In the citing paper
“In contrast, sample-level moderators such as national income level, gender and calendar year showed no consistent effects.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
Experimental — accuracy not yet measuredThe source backs part of the claim, not all of it — or backs it for a different population, condition or comparison.
In the citing paper
“recent studies suggest that this population experiences a disproportionate degree of psychological distress, including clinically defined syndromes such as depression, generalized anxiety disorder (GAD) and burnout, or individual symptoms such as stress, poor sleep and suicidal ideation1,9–11.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
Experimental — accuracy not yet measuredIn the citing paper
“These studies identified several study-level moderators. Prevalence estimates were generally lower in studies with random sampling and higher study quality, and both prevalence and severity estimates varied depending on which type of measurement scale was used.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
In the citing paper
“Despite the growing literature on this topic35–42, most reviews and meta-analyses have focused on depression, anxiety or suicidal ideation, with prevalence and severity estimates limited to depression10 and GAD9.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
In the citing paper
“To date, only two meta-analyses have empirically examined such moderators—and only in relation to depressive10 and anxiety symptoms9.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
In the citing paper
“Average symptom severity typically falls in the mild range9–11.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
In the citing paper
“Our findings are broadly consistent with those of other meta-analyses, but they fall on the higher end of previously reported ranges of 21–24% for depressive symptoms and 17–30% for anxiety symptoms9–11.”
From Prevalence and severity of mental health problems in early-career researchers: a systematic review and meta-analysis (2026) · cites this paper as [9]
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Rated major: it would touch a result — a value a result rests on, reported and recomputed p-values on opposite sides of the significance level, two passages that conflict with no sign which is right, or a cited work retracted before this paper was published.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > The trend of anxiety prevalence among graduate students
“moderate anxiety: 21.5% vs. 12.5%; Q = 3.19, df = 1, p = .07;”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| before | 20 | 0.362 | 0.287 | 0.443 | 99.02 | 12 | 0.224 | 0.180 | 0.275 | 85.46 | 9 | 0.177 | 0.127 | 0.241 | 87.59 |”
Rated major: it would touch a result — a value a result rests on, reported and recomputed p-values on opposite sides of the significance level, two passages that conflict with no sign which is right, or a cited work retracted before this paper was published.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > The trend of anxiety prevalence among graduate students
“moderate anxiety: 21.5% vs. 12.5%; Q = 3.19, df = 1, p = .07;”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| COVID‐19 | | | Q = 0.452 | Q = 0.452 | 98.96 | | | Q = 1.210 | Q = 1.210 | 95.86 | | | Q = 1.683 | Q = 1.683 | 96.10 |”
Rated major: it would touch a result — a value a result rests on, reported and recomputed p-values on opposite sides of the significance level, two passages that conflict with no sign which is right, or a cited work retracted before this paper was published.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > Abstract > Result
“Due to the COVID‐19, the prevalence of anxiety is higher after the pandemic than that before (any anxiety: 34.3% vs. 24.8%).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| before | 20 | 0.362 | 0.287 | 0.443 | 99.02 |”
Rated major: it would touch a result — a value a result rests on, reported and recomputed p-values on opposite sides of the significance level, two passages that conflict with no sign which is right, or a cited work retracted before this paper was published.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > Abstract > Result
“female had similar anxiety to male (26.4% vs. 24.9%).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| female | 16 | 0.412 | 0.291 | 0.544 | 98.88 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Quality assessment
“Five of 50 (10.0%) reports were in high quality, 21 (42%) were in moderate to high quality, 21 (42%) were in low to moderate quality, and 3 (6%) were in low quality (Table 1).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| H | 3 | 0.130 | 0.066 | 0.241 | 94.60 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
“severe: 14.7% vs. 13.5%, Q = 0.05, p = .82”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| Master | 9 | 0.292 | 0.180 | 0.437 | 99.01 | 2 | 0.237 | 0.212 | 0.263 | .00 | 1 | 0.261 | 0.216 | 0.311 | / | 6 | 0.135 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > The trend of anxiety prevalence among graduate students
“between before pandemic (before 202) and after (2020–2021) based on the data collection year. The results showed that there was no significant difference of the anxiety prevalence (any anxiety: 32.4% vs. 36.2%;”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| before | 20 | 0.362 | 0.287 | 0.443 | 99.02 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
“19.1% had mild anxiety, 15.1% moderate anxiety, and 1.3% had severe anxiety,”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“and 10.3% severe anxiety (K = 25, N = 1850; 95% CI: 7.2%–14.6%; Q = 889.7, p < .00; I 2= 97.3%).”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
“any anxiety: 8.0%, Q = 528.2, df = 13, p < .00;”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| DASS‐42 | 1 | 0.800 | 0.667 | 0.889 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
“severe: 7.7% vs. 1.3%).”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“and 10.3% severe anxiety (K = 25, N = 1850; 95% CI: 7.2%–14.6%; Q = 889.7, p < .00; I 2= 97.3%).”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety mediated by moderators
“mild: 2.6% vs. 15.6%; Q = 3.09, df = 1, p = .08;”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“| Nonrandom | 27 | 0.336 | 0.264 | 0.416 | 99.17 | 12 | 0.206 |”
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > DISCUSSION
“And the results indicated that 34.1% of them suffered from different degrees of anxiety.”
§ Global prevalence and trend of anxiety among graduate students: A systematic review and meta‐analysis > RESULTS > Prevalence of anxiety among graduate students
“Meta‐analytic pooling of the prevalence estimates of anxiety was 34.8% (N = 39,668; 95% CI: 29.5%−40.5%),”
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Rated major: it would touch a result — a value a result rests on, reported and recomputed p-values on opposite sides of the significance level, two passages that conflict with no sign which is right, or a cited work retracted before this paper was published.
In the paper
“10.1093/tbm/ibab030”
Cited work 10.1093/tbm/ibab030 · retracted 2022-05-05 · notice 10.1093/tbm/ibac010 · this paper published 2023-02-27
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Metadata
- Authors
- Chi, T., Cheng, L., & Zhang, Z.
- Affiliations
- Gansu Provincial Cancer Hospital Gansu Provincial Academic Instiute for Medical Research (CN)
- Lanzhou University (CN)
- Gansu Provincial Hospital (CN)
- Corresponding author
- Zhang, Zhijie
- Venue
- Brain and Behavior
- Publisher
- Wiley
- Published
- 2023-02-27
- Volume
- 13
- Issue
- 4
- Pages
- e2909-e2909
- ISSN
- 2157-9032 (ISSN-L)
- 2162-3279
- PMC
- PMC10097092
- OpenAlex
- W4322617409
- Cited by
- 92
- References
- 74
- Citations by year
- 2026: 40 · 2025: 32 · 2024: 11 · 2023: 9
- FWCI
- 3.20
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Brain and Behavior (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Social Sciences › Psychology › Developmental and Educational Psychology › Student Stress and Coping
- Social Sciences › Education › Doctoral Education Challenges and Solutions
- Health Sciences › Health Professions › General Health Professions › Healthcare professionals’ stress and burnout
- Keywords
- anxiety, graduate students, prevalence, temporal trends, master's students, doctoral students, gender differences, COVID-19 pandemic, international students, study quality, measurement heterogeneity, student mental health, Saudi Arabia, India, Nepal, South America
- MeSH terms
- COVID-19, Anxiety, Anxiety Disorders, Depression, Female, Humans, Male, Students, Prevalence
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