Sina Müller1, Eric Stice. 1. Oregon Research Institute, 1776 Millrace Drive, Eugene, OR 97403, USA. sina_kristin@yahoo.de
Abstract
OBJECTIVE: To investigate factors hypothesized to moderate the effects of a dissonance-based eating disorder prevention program, including initial elevations in thin-ideal internalization, body dissatisfaction, eating disorders symptoms, and older participant age. METHOD:Adolescent female high school and college students with body image concerns (N=977; M age=18.6) were randomized to a dissonance-based thin-ideal internalization reduction program or an assessment-only control condition in three prevention trials. RESULTS: The intervention produced (a) significantly stronger reductions in thin-ideal internalization for participants with initial elevations in thin-ideal internalization and a threshold/subthreshold DSM-5 eating disorder at baseline, (b) significantly greater reductions in eating disorder symptoms for participants with versus without a DSM-5 eating disorder at baseline, and (c) significantly stronger reductions in body dissatisfaction for late adolescence/young adulthood versus mid-adolescent participants. Baseline body dissatisfaction did not moderate the intervention effects. CONCLUSION: Overall, intervention effects tended to be amplified for individuals with initial elevations in risk factors and a DSM-5 eating disorder at baseline. Results suggest that this prevention program is effective for a broad range of individuals, but is somewhat more beneficial for the subgroups identified in the moderation analyses.
RCT Entities:
OBJECTIVE: To investigate factors hypothesized to moderate the effects of a dissonance-based eating disorder prevention program, including initial elevations in thin-ideal internalization, body dissatisfaction, eating disorders symptoms, and older participant age. METHOD: Adolescent female high school and college students with body image concerns (N=977; M age=18.6) were randomized to a dissonance-based thin-ideal internalization reduction program or an assessment-only control condition in three prevention trials. RESULTS: The intervention produced (a) significantly stronger reductions in thin-ideal internalization for participants with initial elevations in thin-ideal internalization and a threshold/subthreshold DSM-5 eating disorder at baseline, (b) significantly greater reductions in eating disorder symptoms for participants with versus without a DSM-5 eating disorder at baseline, and (c) significantly stronger reductions in body dissatisfaction for late adolescence/young adulthood versus mid-adolescent participants. Baseline body dissatisfaction did not moderate the intervention effects. CONCLUSION: Overall, intervention effects tended to be amplified for individuals with initial elevations in risk factors and a DSM-5 eating disorder at baseline. Results suggest that this prevention program is effective for a broad range of individuals, but is somewhat more beneficial for the subgroups identified in the moderation analyses.
Authors: Andrea E Kass; Mickey Trockel; Debra L Safer; Meghan M Sinton; Darby Cunning; Marianne T Rizk; Brooke H Genkin; Hannah L Weisman; Jakki O Bailey; Corinna Jacobi; Denise E Wilfley; C Barr Taylor Journal: Behav Res Ther Date: 2014-10-02