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Int J Eat Disord. 2017 Oct;50(10):1142-1151. doi: 10.1002/eat.22762. Epub 2017 Aug 11.

Internet-delivered eating disorder prevention: A randomized controlled trial of dissonance-based and cognitive-behavioral interventions.

Author information

Psychology Department (116B), West Los Angeles VA Healthcare Center, Building 401, Room A233, 11301 Wilshire Blvd, Los Angeles, California.
Department of Psychology/SGM 501, Associate Professor of Psychology and American Studies and Ethnicity, University of Southern California, 3620 S McClintock Ave, Los Angeles, California.



The current study evaluated two web-based programs for eating disorder prevention in high-risk, predominantly ethnic minority women.


Two hundred and seventy-one women with elevated weight concerns were randomized to Internet dissonance-based intervention (DBI-I), Internet cognitive-behavioral intervention (CBI-I), or no intervention (NI). Both interventions consisted of four weekly online sessions. Participants were assessed at pre- and post intervention. Outcome measures included eating pathology, body dissatisfaction, dieting, thin-ideal internalization, and depression.


At postintervention, DBI-I and CBI-I led to greater reductions in body dissatisfaction, thin-ideal internalization, and depression than NI. In addition, CBI-I was effective at reducing dieting and composite eating pathology relative to NI. No outcome differences were found between the active conditions. Moderation analyses suggested that both active conditions were more effective for ethnic minorities than Whites relative to NI.


Results suggest that both DBI-I and CBI-I are effective at reducing eating disorder risk factors in a high-risk, predominantly minority population relative to no intervention.


Internet; cognitive-behavioral; dissonance-based intervention; eating disorder prevention; randomized controlled trial

[Indexed for MEDLINE]

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