Non-Participation in the Second Wave of the Part Study on Mental Disorder and Its Effects on Risk Estimates

Peter Bergman, Gunnel Ahlberg, Yvonne Forsell and Ingvar Lundberg
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Peter Bergman: Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden, peter.n.bergman@ki.se
Gunnel Ahlberg: Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
Yvonne Forsell: Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
Ingvar Lundberg: Occupational and Environmental Medicine, Uppsala Universitet, Uppsala, Sweden

International Journal of Social Psychiatry, 2010, vol. 56, issue 2, 119-132

Abstract: Background: In epidemiological studies, analyses are needed to investigate the consequences of non-response. Aims: To analyse the consequences of attrition in the second wave of the population-based PART study, which was performed three years after the first wave. Methods: Potential determinants for non-participation obtained from population registers and the first wave were analyzed. The relationships between potential determinants and reduced well-being or depressive mood in the first wave questionnaire were investigated separately for participants and non-participants in the second wave. Samples of respondents to the second wave questionnaire with reduced or not reduced well-being were summoned for interview regarding determinants of distress and disorder. The occurrence of potential determinants was compared between participants and non-participants in both groups Results: Low income, low education, non-Nordic origin, not being married and previous psychiatric diagnosis were associated with lower participation rates. These variables were similarly related to depressive mood and low psychological well-being in the first wave among participants and non-participants in the second wave. Potential determinants were not or only weakly related to participation in the interview groups. Conclusion: Although the true prevalence of distress and disorder is underestimated, the true associations between potential determinants and the outcomes seem reasonably well reproduced.

Keywords: health surveys; longitudinal study; non-response; psychiatric interview; psychological well-being; response; well-being; working conditions (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:socpsy:v:56:y:2010:i:2:p:119-132

DOI: 10.1177/0020764008098838

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