From the Centers for Disease Control and Prevention. Self-reported frequent mental distress among adults--United States, 1993-1996.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology*; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence; D018434:Sickness Impact Profile; D012959:Socioeconomic Factors; D014481:United States / Q000453:epidemiology