Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/5907
Title: The cross-national epidemiology of DSM-IV intermittent explosive disorder
Authors: Scott, K M
Lim, C C W
Hwang, I
Adamowski, T
Al-Hamzawi, A
Bromet, E
Bunting, B
Ferrand, M P
Florescu, S
Gureje, O
Hinkov, H
Hu, C
Karam, Elie
Lee, S
Posada-Villa, J
Stein, D
Tachimori, H
Viana, M C
Xavier, M
Kessler, R C
Affiliations: Faculty of Medicine 
Keywords: Cross-national studies
DSM-IV
World Mental Health Surveys
Epidemiology
Intermittent explosive disorder
Issue Date: 2016
Publisher: National Library of Medicine
Part of: Psychological Medicine
Volume: 46
Issue: 15
Start page: 3161
End page: 3172
Abstract: 
Background: This is the first cross-national study of intermittent explosive disorder (IED).

Method: A total of 17 face-to-face cross-sectional household surveys of adults were conducted in 16 countries (n = 88 063) as part of the World Mental Health Surveys initiative. The World Health Organization Composite International Diagnostic Interview (CIDI 3.0) assessed DSM-IV IED, using a conservative definition.

Results: Lifetime prevalence of IED ranged across countries from 0.1 to 2.7% with a weighted average of 0.8%; 0.4 and 0.3% met criteria for 12-month and 30-day prevalence, respectively. Sociodemographic correlates of lifetime risk of IED were being male, young, unemployed, divorced or separated, and having less education. The median age of onset of IED was 17 years with an interquartile range across countries of 13-23 years. The vast majority (81.7%) of those with lifetime IED met criteria for at least one other lifetime disorder; co-morbidity was highest with alcohol abuse and depression. Of those with 12-month IED, 39% reported severe impairment in at least one domain, most commonly social or relationship functioning. Prior traumatic experiences involving physical (non-combat) or sexual violence were associated with increased risk of IED onset.

Conclusions: Conservatively defined, IED is a low prevalence disorder but this belies the true societal costs of IED in terms of the effects of explosive anger attacks on families and relationships. IED is more common among males, the young, the socially disadvantaged and among those with prior exposure to violence, especially in childhood.
URI: https://scholarhub.balamand.edu.lb/handle/uob/5907
ISSN: 00332917
DOI: 10.1017/S0033291716001859
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Faculty of Medicine

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