Forebygging av spiseforstyrrelser: Systematisk oversikt over randomiserte, kontrollerte studier

Prevention of eating disorders: A systematic review of randomized, controlled trials

Watson, H. J. Joyce, T. French, E. Willan, V. Kane, R. T. Tanner-Smith, E. E. McCormack, J. Dawkins, H. Hoiles, K. J. Egan, S. J.
OBJECTIVE: This systematic review evaluated the efficacy of universal, selective, and indicated eating disorder prevention. METHOD: A systematic literature search was conducted in Medline, PsycINFO, Embase, Scopus, and the Cochrane Collaboration Library databases to January 2016. Studies were included if they were randomized, controlled trials (RCT) and tested an eating disorder prevention program. We retrieved 13 RCTs of universal prevention (N=3,989 participants, 55% female, M age=13.0 years), 85 RCTs of selective prevention (N=11,949 participants, 99% female, M age=17.6 years), and 8 RCTs of indicated prevention (N=510 participants, 100% female, M age=20.1 years). Meta-analysis was performed with selective prevention trials. As there were a limited number of universal and indicated trials, narrative synthesis was conducted. RESULTS: Media literacy had the most support for universal prevention. Most universal approaches showed significant modest effects on risk factors. Dissonance-based was the best supported approach for selective prevention. Cognitive-behavior therapy (CBT), a healthy weight program, media literacy, and psychoeducation, were also effective for selective prevention and effects were maintained at follow-up. CBT was supported for indicated prevention and effects were maintained at follow-up. DISCUSSION: The modest effects for universal prevention were likely due to floor effects. The evidence for selective prevention suggests that empirically supported approaches should be disseminated on a wider basis. Our findings suggest CBT should be offered for indicated populations. Overall, results suggest efficacy of several prevention programs for reducing risk for eating disorders, and that wider dissemination is required. © 2016 Wiley Periodicals, Inc. Copyright © 2016 Wiley Periodicals, Inc.

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Type of intervention

Preventive- and Promotive Health Interventions

Early Intervention

Treatment and Child Welfare Interventions


Mental Health Problems and Disorders

Eating Disorders

Development and Life Coping Skills



Psychological Treatments

Cognitive Behavioral Therapy, Behavioral Therapy and Cognitive Therapy

Age group

Adolescents (13-18 years)

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