Mental disorders, attrition at follow‐up, and questionnaire non‐completion in epidemiologic research. Illustrations from the CoLaus|PsyCoLaus study

Objective This study aimed to investigate the associations between mental disorders recorded at baseline and participation in the subsequent follow‐up interview (vs. attrition) or baseline questionnaire completion (vs. non‐response) within the psychiatric arm of a population‐based study. Methods Par...

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Bibliographic Details
Published in:International journal of methods in psychiatric research 2019-12, Vol.28 (4), p.e1805-n/a
Main Authors: Dupuis, Marc, Strippoli, Marie‐Pierre F., Gholam‐Rezaee, Mehdi, Preisig, Martin, Vandeleur, Caroline L.
Format: Article
Language:English
Subjects:
Adult
Aged
Anxiety disorders
Anxiety Disorders - diagnosis
Anxiety Disorders - epidemiology
attrition
Bias
CoLaus|PsyCoLaus study
Depressive Disorder, Major - diagnosis
Depressive Disorder, Major - epidemiology
Diagnostic Self Evaluation
Epidemiologic Research Design
Epidemiology
Female
Follow-Up Studies
Health Surveys
Humans
Male
Mental disorders
Mental Disorders - cerebrospinal fluid
Mental Disorders - diagnosis
Mental Disorders - epidemiology
Middle Aged
non‐response
Original
Population studies
Questionnaires
Self Report
self‐rating questionnaires
Surveys and Questionnaires
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Summary:Objective This study aimed to investigate the associations between mental disorders recorded at baseline and participation in the subsequent follow‐up interview (vs. attrition) or baseline questionnaire completion (vs. non‐response) within the psychiatric arm of a population‐based study. Methods Participants of a physical health survey were initially invited to also participate in a semi‐structured interview covering mental disorders and were reassessed approximately 5.5 years later. They were also asked to complete self‐rating questionnaires at baseline. Associations between the presence of lifetime mental disorders assessed at baseline and attrition at follow‐up as well as non‐completion of self‐rating questionnaires at baseline were established. Results After controlling for sociodemographic variables, a significant negative association was found between anxiety disorders at baseline and attrition at follow‐up (Adjusted odds ratio (AOR) = 0.84; 95% confidence interval (CI) = 0.71–1.00) and a positive association between major depressive disorders (MDD) and non‐response to the self‐rating questionnaires at baseline (AOR = 1.24; 95% CI = 1.05–1.45). Conclusions The associations of anxiety disorders during lifetime with a higher participation rate in interviews at follow‐up and of MDD during lifetime with the non‐completion of self‐rating questionnaires are potential sources of bias and should be taken into account in future longitudinal research.
ISSN:1049-8931
1557-0657
DOI:10.1002/mpr.1805