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The 12-month prevalence and characteristics of major depressive episode in a representative nationwide sample of adolescents and young adults

  • L. HAARASILTA (a1), M. MARTTUNEN (a1), J. KAPRIO (a1) and H. ARO (a1)

Abstract

Background. This study set out to estimate the 12-month prevalence of DSM-III-R major depressive episode (MDE) and to analyse factors associating with psychosocial impairment, episode duration, phenomenology and symptom severity in a representative general population sample of adolescents (15–19-year-olds) and young adults (20–24-year-olds).

Method. The Finnish Health Care Survey '96 (FINHCS '96) was a cross-sectional nationwide epidemiological study. A random sample of 509 adolescents and 433 young adults was interviewed in 1996. MDE was assessed by University of Michigan Composite Diagnostic Interview Short-Form.

Results. The 12-month prevalence of MDE was 5·3% for adolescents (females 6·0%, males 4·4%) and 9·4% for young adults (females 10·7%, males 8·1%). When moderate psychosocial impairment was included in case definition, the prevalences were lowered by 20–25%. Increased impairment was associated with drunkenness at least twice a month, a higher mean number of depressive symptoms and impaired concentration. The median episode duration was 1 month. No factors associating with duration were found. With the exception of symptoms related to appetite being more common among females than males, the phenomenology of MDE was mainly independent of age and gender.

Conclusions. Episodes of major depression among adolescents and young adults in the general population are short but often associated with psychosocial impairment, especially if frequent drunkenness coexists.

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Corresponding author

Address for correspondence: Dr Linnea Haarasilta, National Public Health Institute, Department of Mental Health and Alcohol Research, Mannerheimintie 160, 00300 Helsinki, Finland.

The 12-month prevalence and characteristics of major depressive episode in a representative nationwide sample of adolescents and young adults

  • L. HAARASILTA (a1), M. MARTTUNEN (a1), J. KAPRIO (a1) and H. ARO (a1)

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