A potential artifact in determining rates of depression.
D000328:Adult; D000367:Age Factors; D002391:Catchment Area, Health; D003866:Depressive Disorder / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D006306:Health Surveys; D006801:Humans; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales; D012737:Sex Factors