The Center for Epidemiologic Studies Dep
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Sandra W. Geerlings; Aartjan T.F. Beekman; Dorly J.H. Deeg; Willem Van Tilburg;
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Article
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1999
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John Wiley and Sons
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English
⚖ 79 KB
## Abstract In order to obtain repeated measurements of depression in an efficient and relatively inexpensive design, a mixture of face‐to‐face interviews and mail questionnaires was employed. The aims of the study were to examine mode effects of face‐to‐face interviews versus mail questionnaires o