Improving accuracy of major depression a
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Bärbel Knäuper; Charles F. Cannell; Norbert Schwarz; Martha L. Bruce; Ronald C.
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Article
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1999
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John Wiley and Sons
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English
⚖ 85 KB
## Abstract This paper describes a series of questions designed to improve the accuracy of age‐of‐onset reports in the US National Comorbidity Survey (NCS) and empirically evaluates the impact of these questions on reports about age of onset of major depressive episodes. The logic underlying the se