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  • Title: Other specified and unspecified feeding or eating disorders among women in the community.
    Author: Mustelin L, Lehtokari VL, Keski-Rahkonen A.
    Journal: Int J Eat Disord; 2016 Nov; 49(11):1010-1017. PubMed ID: 27442991.
    Abstract:
    OBJECTIVE: To examine the occurrence, course, and clinical picture of the DSM-5 residual categories 'Other Specified Feeding or Eating Disorder' (OSFED) and 'Unspecified Feeding or Eating Disorder' (UFED), to describe potential subtypes, and to evaluate whether the subdivision of the residual category appears meaningful. METHOD: We screened women from the 1975-79 birth cohorts of Finnish twins (N = 2825) for lifetime eating disorders using questionnaires and the SCID interview. This analysis characterizes women who reported clinically significant eating disorder symptoms but did not fulfill diagnostic criteria for DSM-5 anorexia nervosa (AN), bulimia nervosa (BN), or binge eating disorder (BED). RESULTS: Thirty-eight women (21% of those with an eating disorder) fell in the residual OSFED/UFED category. A third of them (N = 14) fulfilled OSFED criteria, whereas two thirds (N = 24) fell in the UFED category. The lifetime prevalence of OSFED/UFED was 1.5% (95% CI 1.1-2.0%), less than half of the prevalence of DSM-IV eating disorder not otherwise specified (EDNOS). The mean age of onset of OSFED/UFED was 18 years, median duration of symptoms was two years, and the 5-year probability of recovery was 60%. Over a third of women with OSFED/UFED suffered from comorbid psychiatric disorders. Both residual categories were clinically heterogeneous and included atypical forms of AN, BN, and BED. CONCLUSIONS: Applying the DSM-5 criteria in a community sample of young women more than halved the occurrence of residual eating disorder diagnoses, but resulted in two instead of one clinically heterogeneous residual categories. Nevertheless, residual eating disorders were associated with considerable clinical severity. © 2016 Wiley Periodicals, Inc. (Int J Eat Disord 2016; 49:1010-1017).
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