Cited by 372COVID-19 and Mental HealthStudent Stress and CopingMaternal Mental Health During Pregnancy and Postpartum

The psychological impacts of a COVID-19 outbreak on college students in China: a longitudinal study

Open access
Li, Hong Yan, Cao, Hui, Leung, Doris Y. P., Mak, Yim Wah·2020·International Journal of Environmental Research and Public Health

Abstract

An outbreak in Wuhan, China in late 2019 of a highly infectious new coronary pneumonia (COVID-19) led to the imposition of countrywide confinement measures from January to March 2020. This is a longitudinal study on changes in the mental health status of a college population before and after their COVID-19 confinement for the first two weeks, focusing on states of psychological distress, depression, anxiety and affectivity. The influence of possible stressors on their mental health were investigated, including inadequate supplies and fears of infection. Five hundred and fifty-five undergraduate students were recruited from Hebei Agricultural University in Baoding, China. The participants completed two online surveys—on anxiety and depression, and on positive and negative affect. One survey was conducted before the confinement and the other was conducted 15–17 days after the start of the confinement. Increases in negative affect and symptoms of anxiety and depression (p-values < 0.001) were observed after 2 weeks of confinement. Inadequate supplies of hand sanitizers, a higher year of study, and higher scores on anxiety and depression were common predictors of increased negative affect, anxiety, and depression across the confinement period. The results suggest that healthcare policymakers should carefully consider the appropriate confinement duration, and ensure adequate supplies of basic infection-control materials.

AI snapshot

Written from the paper’s full text.

TL;DR

In a two-wave longitudinal survey of 555 undergraduates at Hebei Agricultural University, the paper reports changes in affect, anxiety, and depression after 15–17 days of COVID-19 confinement and examines fear of infection and inadequate supplies as predictors. The abstract and Results section conflict on whether negative affect and anxiety/depression increased or decreased, but regression analyses link fear of infection and inadequate hand-hygiene supplies to worse mental-health scores.

Key findings

  • The abstract states that “increases in negative affect and symptoms of anxiety and depression (p-values < 0.001) were observed after 2 weeks of confinement,” while the Results section states that “significant decrements were observed for negative affect (PANAS-NA) and symptoms of anxiety and depression PHQ-4 (Ps < 0.001),” with a nonsignificant change on positive affect PANAS-PA (p = 0.107); this inconsistency is evident in the text.
  • In regression models controlled for age, gender, year of study, and pre-confinement scores, fear of infection—own risk was associated with reduced positive affect (PANAS-PA) (coefficient = −0.047, 95%CI = −0.080, −0.014); inadequate supplies of hand sanitizers were associated with increased negative affect (PANAS-NA) (coefficient = 0.043, 95%CI = 0.008, 0.078).
  • Fear of infection—general (coefficient = 0.806, 95%CI = 0.008, 0.043) and inadequate supplies of alcohol hand rubs (coefficient = 0.031, 95%CI = 0.002, 0.060) were associated with increased anxiety and depression (PHQ-4) after 2 weeks of confinement.
  • The Discussion reports that each year of study significantly increased PANAS-NA by 0.123 and PHQ-4 by 0.136, and that inadequate supplies of hand sanitizers, higher year of study, and higher anxiety/depression scores were common predictors of increased negative affect, anxiety, and depression across confinement.

Methods

  • Longitudinal two-wave online survey: 624 undergraduate students from Hebei Agricultural University in Baoding, China, were recontacted; 555 (88.9%) were included after 69 were excluded for missing required information. Mean age was 19.6 (SD = 3.4); 426 (76.8%) were female, and 99.1% were in year one or two.
  • Measures included the 10-item Positive and Negative Affect Schedule (PANAS) and the 4-item Patient Health Questionnaire (PHQ-4), plus eight items on inadequate supplies and fear of infection added at the 2-week post-confinement survey. Exploratory factor analysis yielded three factors: fear of infection—general (three items), fear of infection—own risk (two items), and inadequate supplies of infection-control materials (three items), with Cronbach’s alphas 0.709, 0.928, and 0.564, respectively; the three supply items were treated as individual variables.
  • Analysis used SPSS 25.0: paired t-tests for changes in PANAS-PA, PANAS-NA, and PHQ-4, and separate linear regressions for 2-week post-confinement scores, controlling for age, gender, year of study, and the pre-confinement score of the dependent variable.

Limitations

  • The paper states the sample was undergraduate students, mostly female (about 77%), so results may not generalize to the general population, full-time workers, or healthcare workers; participants were also at home with family during an extended Chinese New Year holiday, so negative psychological impacts may have weighed less than for the general public or healthcare providers.
  • Evident in the text: the abstract and Results section contradict each other on the direction of change in negative affect and anxiety/depression symptoms, and the reported coefficient and confidence interval for fear of infection—general appear mismatched (coefficient = 0.806, 95%CI = 0.008, 0.043).
  • Evident in the text: the inadequate-supplies factor had low internal consistency (Cronbach’s alpha = 0.564) and its items were analyzed individually; all outcomes were self-reported, and the follow-up covered only 15–17 days after confinement began.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.3390/ijerph17113933

Cites

18 of 18 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

0 of 10 cited sources checked · 0 supported · 0 flagged

  • Findingreasoning

    Each additional year of study was associated with increased negative affect (PANAS-NA) after 2 weeks of confinement (coefficient = 0.123).

    “each year of study also significantly increased the mean score of the PANAS-NA by 0.123 and the mean score of the PHQ-4 by 0.136.”
    Quote in the paperSubstantial claim
  • Findingown data

    After 2 weeks of confinement, symptoms of anxiety and depression (PHQ-4) increased among college students.

    “Increases in negative affect and symptoms of anxiety and depression (p-values < 0.001) were observed after 2 weeks of confinement.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The changes in mental health observed after 2 weeks of confinement are attributable to the confinement itself.
    • Rests on an assumption: The first wave survey (before the outbreak) accurately represents the students' baseline mental health.
  • Findingown data

    After 2 weeks of confinement, positive affect (PANAS-PA) did not change significantly (p = 0.107).

    “and a nonsignificant change on positive affect PANAS-PA (p = 0.107) after 2 weeks of confinement”
    Quote in the paperNot a substantial claim
    • Rests on an assumption: The first wave survey (before the outbreak) accurately represents the students' baseline mental health.
  • Findingown data

    Inadequate supplies of hand sanitizers were associated with increased negative affect (PANAS-NA) after 2 weeks of confinement (coefficient = 0.043, 95%CI = 0.008, 0.078).

    “inadequate supplies of hand sanitizers was associated with increased negative affect (PANAS-NA) (coefficient = 0.043, 95%CI = 0.008, 0.078)”
    Quote in the paperSubstantial claim
  • Findingown data

    Inadequate supplies of alcohol hand rubs were associated with increased anxiety and depression (PHQ-4) after 2 weeks of confinement (coefficient = 0.031, 95%CI = 0.002, 0.060).

    “fear of infection—general (coefficient = 0.806, 95%CI = 0.008, 0.043) and inadequate supplies of alcohol hand rubs (coefficient = 0.031, 95%CI = 0.002, 0.060) were associated with an increase in anxiety and depression (PHQ-4) after 2 weeks of confinement”
    Quote in the paperSubstantial claim
  • May combine two claims. 6
  • Classified as probably not a substantial claim. 10
  • May combine two claims.

    Study design and conductreasoning

    The mental health survey data of the same cluster of college students were compared before the outbreak and after 2 weeks of confinement, ensuring temporal precedence and excluding background differences between comparison groups.

    “One strength of this survey is that the mental health survey data of the same cluster of college students were compared before the outbreak of COVID-19 and after 2 weeks of confinement to ensure temporal precedence of the findings of the study, meaning that background differences between the two comparison groups could be excluded.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Students were one of the groups experiencing a higher degree of psychological difficulty.

    “The study also found that students were one of the groups experiencing a higher degree of psychological difficulty.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [12] Wang, C., Pan, R., Wan, X., Tan, Y., Xu, L., Ho, C.S., and Ho, R.C. (2020). Immediate psychological responses and associated factors during the initial stage of the 2019 coronavirus disease (COVID-19) epidemic among the general population in China. Int. J. Environ. Res. Public Health, 17. source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductown data

    There was no indication of multicollinearity, with all VIFs ranging from 1.037 to 1.345.

    “There was no indication of multicollinearity, with all the VIFs ranging from 1.037 to 1.345 for the predictors in all three regression analyses.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Emotional disorders such as anxiety, depression, and affectivity can profoundly affect the health and school performance of adolescents.

    “Emotional disorders such as anxiety, depression, and affectivity, can profoundly affect the health and school performance of adolescents [14].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [14] Suldo, 2011, Longitudinal academic outcomes predicted by early adolescents’ subjective well-being, psychopathology, and mental health status yielded from a dual factor model, J. Posit. Psychol. source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Premisecitation

    The negative psychological effects of quarantine were due to relatively long periods of quarantine, fears of infection, frustration, boredom, inadequate supplies, inadequate information, and stigma.

    “The negative psychological effects were due to relatively long periods of quarantine, fears of infection, frustration, boredom, inadequate supplies, inadequate information, and stigma [11].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [11] Brooks, 2020, The psychological impact of quarantine and how to reduce it: Rapid review of the evidence, Lancet source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductnone given

    The study was approved by the Ethics Committee of Hebei Agricultural University (Ref: 20190309).

    “The study was approved by the Ethics Committee of Hebei Agricultural University (Ref: 20190309).”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Premisecitation

    A cross-sectional survey in 194 cities in China found that more than 50% of 1210 respondents from the general population reported moderate to severe psychological difficulties due to COVID-19, with about 16% depression, 29% anxiety, and 8% stress.

    “The study was conducted in 194 cities in China and found that more than 50% of the 1210 respondents from the general population reported moderate to severe levels of psychological difficulties due to the COVID-19 outbreak, with about 16% suffering from symptoms of depression, 29% from anxiety, and 8% from stress [12].”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites [12] Wang, C., Pan, R., Wan, X., Tan, Y., Xu, L., Ho, C.S., and Ho, R.C. (2020). Immediate psychological responses and associated factors during the initial stage of the 2019 coronavirus disease (COVID-19) epidemic among the general population in China. Int. J. Environ. Res. Public Health, 17. source

      Not checked in the free run.

  • Classified as probably not a substantial claim.

    Study design and conductown data

    The regression models controlled for age, gender, year of study, and the score of the dependent variable before confinement.

    “controlled for age, gender, year of study, and the score of the dependent variable before confinement.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    Year-two college students would have higher negative affect and higher levels of anxiety and depression than year-one students.

    “This means that year-two college students would have a higher negative affect and higher levels of anxiety and depression than year-one students”
    Quote in the paperSubstantial claim
    • Rests on an assumption: The changes in mental health observed after 2 weeks of confinement are attributable to the confinement itself.
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductnone given

    Consent from each student was obtained at the beginning of each of the online surveys.

    “Consent from each student was obtained at the beginning of each of the online surveys.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductown data

    A total of 555 (88.9%) students were included in the analysis; 69 were excluded because they did not provide required information.

    “A total of 555 (88.9%) students were ultimately included in the analysis because 69 did not provide the required information on some of the items, and were therefore excluded.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Study design and conductreasoning

    The two waves of measures include the total period of confinement, so the data set forth in the report should be reliable.

    “Nevertheless, the two waves of measures that have been taken include the total period of confinement, so the data set forth in this report should be reliable.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Premisecitation

    Concerns have arisen about the potential psychological impact of confinement measures.

    “concerns have arisen about their potential psychological impact [11].”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites [11] Brooks, 2020, The psychological impact of quarantine and how to reduce it: Rapid review of the evidence, Lancet source

      Not checked in the free run.

13 of 13
  • The paper relies on this without support.

    There has been no previous longitudinal study on the impact of COVID-19 during the confinement period on college students.

    “To the best of our knowledge, there has been no previous longitudinal study on the impact of COVID-19 during the confinement period on this population.”
  • The paper relies on this without support.

    The changes in mental health observed after 2 weeks of confinement are attributable to the confinement itself.

    “our results suggest that it also leads to fear, anxiety, and depression, and has negative psychological impacts on the affected persons.”
  • The paper relies on this without support.

    The first wave survey (before the outbreak) accurately represents the students' baseline mental health.

    “The first wave of the survey was conducted on 20 December 2019, which was before the outbreak of COVID-19.”
3 of 3

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?

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.

  • Changes in negative affect, anxiety, and depression are described in opposite directions

    Major

    The abstract reports increases in negative affect and symptoms of anxiety and depression after two weeks, while the Results section reports significant decrements in those same measures.

  • PHQ-4 coefficient falls outside its reported confidence interval

    Major

    The reported coefficient for fear of infection-general is 0.806, but its stated 95% confidence interval runs from 0.008 to 0.043 and therefore cannot contain that estimate.

2 of 2

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Li, H. Y., Cao, H., Leung, D. Y. P., & Mak, Y. W.
Affiliations
  • Hebei Agricultural University (CN)
  • Beijing Institute of Education (CN)
  • Hong Kong Polytechnic University (HK)
Corresponding author
Mak, Yim Wah
Venue
International Journal of Environmental Research and Public Health
Publisher
MDPI AG
Published
2020-06-02
Volume
17
Issue
11
Pages
3933
ISSN
1660-4601 (ISSN-L)
OpenAlex
W3032508718
Cited by
372
References
18
Citations by year
2026: 2 · 2025: 15 · 2024: 26 · 2023: 68 · 2022: 96 · 2021: 128 · 2020: 35
FWCI
32.63
Type
journal article
Language
en
Open access
Locations
  • International Journal of Environmental Research and Public Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion, cc-by)
Topics
  • Social Sciences › Psychology › Clinical Psychology › COVID-19 and Mental Health
  • Social Sciences › Psychology › Developmental and Educational Psychology › Student Stress and Coping
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Maternal Mental Health During Pregnancy and Postpartum
Keywords
COVID-19 pandemic, lockdown, university students, mental health, psychological distress, depression, anxiety, negative affect, positive affect, fear of infection, predictors of mental health
MeSH terms
COVID-19, Adolescent, China, Humans, Longitudinal Studies, Mental Health, Pneumonia, Viral, Policy Making, Quarantine, Students, Time Factors, Universities, Coronavirus Infections, Pandemics

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Claims read by deepseek-v4.1-flash under definition version 3 (extract-v3) on 2026-10-09.

Classified by jev-1.13-20260917 (gold-guideline-v0.2) on 2026-10-09.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review