Epidemiology of Dissociative Disorders: An Overview

Table 2

Dissociative disorder prevalence studies in the community (DDIS: dissociative disorders interview schedule, SCID-D: structured clinical interview for dissociative disorders).

Study	Number of subjects	Diagnostic instrument	Cutoff on DES	Dissociative identity disorder	All dissociative disorders	DES Score
						Mean	SD
Akyüz et al. [37]	994	DDIS	17	0.4^(a)	1.7%^(a)	6.7	6.1	6.2%
Sar et al. [38]	628	DDIS	—	1.1	18.3%	—	—	—
Johnson et al. [39]	658	SCID-D	—	1.5	8.6%	—	—	—
Ross [36]	454	DDIS	—	3.1	11.2%	10.8	—	—

^(a)Clinically confirmed diagnosis, only 25.% of the selected subjects examined.
^(b)Percentage of patients with a dissociative experiences scale (DES) score above cutoff point.