Cited by 31Mental Health Treatment and AccessDigital Mental Health InterventionsMental Health Research Topics

Screening Depressive Symptoms and Incident Major Depressive Disorder Among Chinese Community Residents Using a Mobile App–Based Integrated Mental Health Care Model: Cohort Study

Open access
Zhang, Huimin, Liao, Yuhua, Han, Xue, Fan, Beifang, Liu, Yifeng, Lui, Leanna M W, Lee, Yena, Subramaniapillai, Mehala +4 more·2022·Journal of Medical Internet Research

Published version of a preprint

Abstract

Background: Depression is associated with significant morbidity and human capital costs globally. Early screening for depressive symptoms and timely depressive disorder case identification and intervention may improve health outcomes and cost-effectiveness among affected individuals. China’s public and academic communities have reached a consensus on the need to improve access to early screening, diagnosis, and treatment of depression. Objective: This study aims to estimate the screening prevalence and associated factors of subthreshold depressive symptoms among Chinese residents enrolled in the cohort study using a mobile app–based integrated mental health care model and investigate the 12-month incidence rate and related factors of major depressive disorder (MDD) among those with subthreshold depressive symptoms. Methods: Data were drawn from the Depression Cohort in China (DCC) study. A total of 4243 community residents aged 18 to 64 years living in Nanshan district, Shenzhen city, in Guangdong province, China, were encouraged to participate in the DCC study when visiting the participating primary health care centers, and 4066 (95.83%) residents who met the DCC study criteria were screened for subthreshold depressive symptoms using the Patient Health Questionnaire-9 at baseline. Of the 4066 screened residents, 3168 (77.91%) with subthreshold depressive symptoms were referred to hospitals to receive a psychiatric diagnosis of MDD within 12 months. Sleep duration, anxiety symptoms, well-being, insomnia symptoms, and resilience were also investigated. The diagnosis of MDD was provided by trained psychiatrists using the Mini-International Neuropsychiatric Interview. Univariate and multivariate logistic regression models were performed to explore the potential factors related to subthreshold depressive symptoms at baseline, and Cox proportional hazards models were performed to explore the potential factors related to incident MDD. Results: Anxiety symptoms (adjusted odds ratio [AOR] 1.63, 95% CI 1.42-1.87) and insomnia symptoms (AOR 1.13, 95% CI 1.05-1.22) were associated with an increased risk of subthreshold depressive symptoms, whereas well-being (AOR 0.93, 95% CI 0.87-0.99) was negatively associated with depressive symptoms. During the follow-up period, the 12-month incidence rate of MDD among participants with subthreshold depressive symptoms was 5.97% (189/3168). After incorporating all significant variables from the univariate analyses, the multivariate Cox proportional hazards model reported that a history of comorbidities (adjusted hazard ratio [AHR] 1.49, 95% CI 1.04-2.14) and anxiety symptoms (AHR 1.13, 95% CI 1.09-1.17) were independently associated with an increased risk of incident MDD. The 5-item World Health Organization Well-Being Index was associated with a decreased risk of incident MDD (AHR 0.90, 95% CI 0.86-0.94). Conclusions: Elevated anxiety symptoms and unfavorable general well-being were significantly associated with subthreshold depressive symptoms and incident MDD among Chinese residents in Shenzhen. Early screening for subthreshold depressive symptoms and related factors may be helpful for identifying populations at high risk of incident MDD.

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  1. [8]Depression World Health Organization 2020 2022-04-16 https://www.who.int/health-topics/depression#tab=tab_1 35767666
  2. [35]Hou X Fu Y Reliability and validity of stress life event scale (SLE) [in Chinese] For All Health (Academic Edition) 2013 5 30 7 10 1 4

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Authors
Zhang, H., Liao, Y., Han, X., Fan, B., Liu, Y., Lui, L. M. W., Lee, Y., Subramaniapillai, M., Li, L., Guo, L., Lu, C., & McIntyre, R. S.
Affiliations
  • Sun Yat-sen University (CN)
  • Shenzhen Nanshan Center for Chronic Disease Control (CN)
  • University Health Network (CA)
  • Central South University (CN)
Corresponding author
Lu, Ciyong
Venue
Journal of Medical Internet Research
Published
2022-05-20
Volume
24
Issue
5
Pages
e30907
ISSN
1438-8871 (ISSN-L)
OpenAlex
W4280628075
Cited by
31
References
62
Citations by year
2026: 6 · 2025: 12 · 2024: 4 · 2023: 6 · 2022: 3
FWCI
5.91
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Journal of Medical Internet Research (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Natural Science Foundation of China (81903339, 81761128030)
  • Sun Yat-sen University
  • National Key Research and Development Program of China (2018YFC2000705)
Topics
  • Social Sciences › Psychology › Social Psychology › Mental Health Treatment and Access
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Mental Health Research Topics
Keywords
depressive symptoms, subthreshold depression, major depressive disorder, depression screening, mobile health apps, integrated mental health care, anxiety symptoms, insomnia, well-being, resilience, sleep duration, risk factors for depression, community residents, primary care, China, Shenzhen, PHQ-9, Mini International Neuropsychiatric Interview
MeSH terms
China, Depression, Depressive Disorder, Major, Major Depressive Disorder, Humans, Sleep Initiation and Maintenance Disorders, Mental Health, Cohort Studies, Mobile Applications

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