The Canadian Journal of Psychiatry / La Revue Canadienne De Psychiatrie, 40(4), 185-191. Prevalence of dissociative symptoms and disorders in an adult psychiatric inpatient population in Canada. ![]() Prevalence of dissociative disorders in psychiatric outpatients. Diagnostic and statistical manual of mental disorders (5th ed., Text Revision).įoote, B., Smolin, Y., Kaplan, M., Legatt, M., & Lipschitz, D. The prevalence rate of DID does vary between countries, but epidemiological general population studies still place the prevalence of DID at 1.1-1.5% and the prevalence of any DSM-IV dissociative disorder at 8.6-18.3% (Martinez-Taboas, Dorahy, Sar, Middleton, & Krügar, 2013).Īmerican Psychiatric Association. That DID is more prevalent than or equally prevalent as autism spectrum disorder is perhaps most striking as it's often said that there's an autism "epidemic." If a prevalence rate of 1.5% is accepted for DID, it is comparable to DSM-IV chronic major depressive disorder (1.5%), DSM-5 bulimia nervosa in women (0.46%-1.5%), and obsessive compulsive disorder (1.1%-1.8%) it is more common than intellectual disability (1%), autism spectrum disorder (1%-2% in the United States but 0.62% globally), schizophrenia (0.3%-0.7%), and persistent depressive disorder (dysthymia)(0.5%) and it is only slightly less common than panic disorder (1.7%-3%), adult ADHD (2.5%), and DSM-IV bipolar I, bipolar II, and bipolar disorder not otherwise specified combined (1.8%-2.7%) (American Psychiatric Association, 2022). However, when comparing DSM prevalence rates, this is simply not true. It is frequently claimed that DID is a uniquely rare disorder. A discrepancy in diagnoses between genders is not visible in child, adolescent, or general population settings (American Psychiatric Association, 2022). It's also thought that males may be more likely to deny their symptoms and trauma history. It is thought that the discrepancy in diagnosis between males and females might be due to many males with DID not entering therapy or being incarcerated (a common explanation for diagnoses more commonly attributed to females). While some studies find that DID is up to 9 times more common in females than males, other studies place the rates of prevalence equal for both groups. Higher dissociation as measured by the DES was found in countries with lower safety rankings (Kate et al., 2019). Additionally, 9.8% to 16.6% of students screened positive for elevated pathological dissociation in studies where further assessment was not undertaken. In a meta-analysis of 31,905 college students, 11.4% had any dissociative disorder, with a range of 5.5% to 28.6% across samples. Interestingly, high rates have also been found in many studies of college students. In an American outpatient setting, it was found to affect 6% of the population (Foote et al., 2006). DID has been determined to affect between 6% to 10% of inpatients (Horen, Leichner, Lawson, 1995 Ross, Duffy, & Ellason, 2002). Dissociative disorders as a whole ranged from 3.0% to 18.3%.ĭID and dissociative disorders as a whole are more common in clinical settings. (2019), other general population estimates obtained with dissociation-specific screening or diagnostic tools have ranged from 0.8% to 1.5%, with an additional 0.2% to 8.3% for other specified dissociative disorder (OSDD), which may or may not present as similar to DID. The DSM-5-TR gives the 12-month prevalence of DID in a small community of American adults as 1.5%, and lifetime prevalence in a representative sample of Turkish women as 1.1% (American Psychiatric Association, 2022). Most current studies place the prevalence of dissociative identity disorder (DID) between 0.1% to 2%, though a few give estimations as high as 3-5%.
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