Journal
JOURNAL OF AFFECTIVE DISORDERS
Volume 62, Issue 1-2, Pages 7-15Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0165-0327(00)00346-3
Keywords
depression; subtypes; criteria; subthreshold; epidemiology
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Funding
- NATIONAL INSTITUTE ON DRUG ABUSE [K02DA000293] Funding Source: NIH RePORTER
- NIDA NIH HHS [DA 00293-07] Funding Source: Medline
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The chief goal of the present study is to examine the validity of a dimensional approach to the classification of depressive disorders. Each of the the major diagnostic criteria for depression including symptoms, duration and frequency is examined with respect to a series of clinical validators. The sample is comprised of a cohort of 591 individuals from the total population of 18-19 year olds in Zurich, Switzerland who were followed for a period of 15 years. The results revealed that:: (1) depression may be better represented on a continuum than as a discrete category; (2) there is a direct relationship between the number of symptoms of depression, the frequency and the duration of depressive episodes and indicators of validity of depression: and (3) in addition to the number of symptoms of depression, a combination of frequency and duration criteria enhance the validity of the classification of depression. (C) 2001 Elsevier Science B.V. All nights reserved.
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