American Journal of Epidemiology Advance Access originally published online on April 15, 2008
American Journal of Epidemiology 2008 167(10):1143-1151; doi:10.1093/aje/kwn067
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ORIGINAL CONTRIBUTIONS |
Low Workplace Social Capital as a Predictor of Depression
The Finnish Public Sector Study
1 Institute of Work, Health, and Organisations, University of Nottingham, Nottingham, United Kingdom
2 Finnish Institute of Occupational Health, Helsinki, Finland
3 Department of Epidemiology and Public Health, University College London, London, United Kingdom
4 Division of Epidemiology and Public Health, School of Community Health Sciences, University of Nottingham, Nottingham, United Kingdom
5 School of Sociology and Social Policy, University of Nottingham, Nottingham, United Kingdom
6 Department of Psychology, University of Helsinki, Helsinki, Finland
Correspondence to Dr. Anne Kouvonen, Institute of Work, Health, and Organisations, University of Nottingham, 8 William Lee Buildings, Nottingham Science and Technology Park, University Boulevard, Nottingham NG7 2RQ, United Kingdom (e-mail: anne.kouvonen{at}nottingham.ac.uk).
Received for publication June 11, 2007. Accepted for publication December 20, 2007.
In a prospective cohort study of Finnish public sector employees, the authors examined the association between workplace social capital and depression. Data were obtained from 33,577 employees, who had no recent history of antidepressant treatment and who reported no history of physician-diagnosed depression at baseline in 2000–2002. Their risk of depression was measured with two indicators: recorded purchases of antidepressants until December 31, 2005, and self-reports of new-onset depression diagnosed by a physician in the follow-up survey in 2004–2005. Multilevel logistic regression analysis was used to explore whether self-reported and aggregate-level workplace social capital predicted indicators of depression at follow-up. The odds for antidepressant treatment and physician-diagnosed depression were 20–50% higher for employees with low self-reported social capital than for those reporting high social capital. These associations were not accounted for by sex, age, marital status, socioeconomic position, place of work, smoking, alcohol use, physical activity, and body mass index. The association between social capital and self-reported depression attenuated but remained significant after further adjustment for baseline psychological distress (a proxy for undiagnosed mental health problems). Aggregate-level social capital was not associated with subsequent depression.
cohort studies; depression; mental health; psychology, social; work
Abbreviations: ATC, Anatomical Therapeutic Chemical; ICC, intraclass correlation
Editor's note: An invited commentary on this article appears on page 1152.
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Related articles in Am. J. Epidemiol.:
- Invited Commentary: Social Capital, Social Contexts, and Depression
- Martin Lindström
Am. J. Epidemiol. 2008 167: 1152-1154.[Abstract] [FREE Full Text]
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  M. Lindstrom Invited Commentary: Social Capital, Social Contexts, and Depression Am. J. Epidemiol., May 15, 2008; 167(10): 1152 - 1154. [Abstract] [Full Text] [PDF]
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