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Adolescent depression: Epidemiology, nosology, life stress, and social network
Uppsala University, Medicinska vetenskapsområdet, Faculty of Medicine, Department of Neuroscience.
1998 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The study engaged a total population of 16-17-year-old urban high-school students and 2300 (93%) were screened for depression and previous suicide attempts. Adolescents with high depression scores in self-evaluation (12.3%) or reporting previous suicide attempts (2.4%) were diagnostically interviewed together with one control for each, matched for gender and educational program. After the interview self-ratings were completed regarding social network, family climate, and life events.

Major depression was prevalent during the last year in 5.8% and during life time in 11.4%, 4 girls for every boy. A depression lasting for a year or more was the most common type. Short hypomanic episodes had been experienced by 13.2% of those with major depressive disorder. Dysthymia was found in 2%, two girls for every boy.

Anxiety disorder was comorbid to depression in one half and conduct disorder in one forth of the depressed adolescents. Alcohol was abused by 6.5% and used regularly by another 12%. Other drugs were used by 6.5% of depressed adolescents and not at all by controls. The depressed used tobacco twice as frequently.

Social network and family climate were compared within the originally matched pairs. Adolescents with long-lasting depressions had a smaller and unsatisfying social network. Especially students with comorbid conduct disorder reported insufficient support from the close network and a more negative family climate. These groups also had experienced many stressful life events related to family adversities, while those with shorter depressive episodes had stress related to the peer group.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis , 1998. , [10], 109 p.
Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 770
Keyword [en]
Neurosciences, Adolescent, depression, epidemiology, social network, family, life events
Keyword [sv]
National Category
Research subject
Child and Youth Psychiatry
URN: urn:nbn:se:uu:diva-198ISBN: 91-554-4251-XOAI: oai:DiVA.org:uu-198DiVA: diva2:161581
Public defence
1998-09-25, Auditorium Minus, Museum Gustavianum, Uppsala, Uppsala, 09:15
Available from: 1998-09-04 Created: 1998-09-04Bibliographically approved

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