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. 2008 Nov;118(5):410-3.
doi: 10.1111/j.1600-0447.2008.01231.x. Epub 2008 Jul 17.

Cumulative prevalence of personality disorders between adolescence and adulthood

Jeffrey G Johnson  1 , Patricia Cohen, Stephanie Kasen, Andrew E Skodol, John M Oldham
Affiliations

Cumulative prevalence of personality disorders between adolescence and adulthood

Jeffrey G Johnson et al. Acta Psychiatr Scand. 2008 Nov.

Abstract

Objective: To investigate the cumulative prevalence of personality disorder (PD) among adults in the community, based on prospective longitudinal data from a series of psychiatric interviews.

Method: Psychiatric interviews were administered to a regionally representative community-based sample of 568 individuals in 1983 (mean age = 14), 1985-1986 (mean age = 16), 1991-1993 (mean age = 22), and 2001-2004 (mean age 33).

Results: The point prevalence of any current DSM-IV PD, including depressive PD and passive-aggressive PD, varied between 12.7% and 14.6% across the four diagnostic assessments. The cumulative prevalence of PD increased at each of the follow-up assessments. At mean age 33, the estimated lifetime prevalence of PD was 28.2%.

Conclusion: The cumulative prevalence of PD, based on a series of interviews conducted during adolescence and adulthood, may be substantially higher than the point prevalence of current PD based on a single assessment interview.

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