PsycNET®

Journal of Abnormal Psychology. Vol 95(4), Nov 1986, 378-383.

Examined the onset age distribution for first episodes of unipolar depression for men and women using 2,046 Ss (aged 18-88 yrs) selected for a diagnostic interview on the basis of elevated scores on the Center for Epidemiological Studies Depression Scale. Of those Ss interviewed, 1,012 were diagnosed as having suffered from a previous episode of depression. The Life Table method (S. Anderson et al [1980]; J. D. Kalbfeisch and R. L. Prentice [1980]) was used to describe the risks associated with different ages for developing an initial episode of depression. The results indicate that the hazard rates are very low through age 14 yrs, increase during adolescence (15-29 yrs) and young adulthood (20-24 yrs), peak between 45 and 55 yrs, and then decrease with increasing age, becoming zero at 80 yrs or older. The hazard rates for men and women differed, with women between the ages of 9 and 69 yrs having higher hazard rates than men between the same ages. The average age at onset for first episodes of depression for men and women did not differ. (53 ref) (PsycINFO Database Record (c) 2008 APA, all rights reserved)

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