Premium
Self‐efficacy as a robust predictor of outcome in guided self‐help treatment for broadly defined bulimia nervosa
Author(s) -
Steele Anna L.,
Bergin Jacqueline,
Wade Tracey D.
Publication year - 2011
Publication title -
international journal of eating disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.785
H-Index - 138
eISSN - 1098-108X
pISSN - 0276-3478
DOI - 10.1002/eat.20830
Subject(s) - bulimia nervosa , psychology , binge eating , psychological intervention , outcome (game theory) , clinical psychology , randomized controlled trial , perfectionism (psychology) , psychiatry , eating disorders , medicine , mathematics , mathematical economics
Objective: To examine predictors of guided self‐help (GSH) treatment outcome in bulimia nervosa (BN). Method: Data were included from 87 individuals who participated in one of two randomized controlled trials evaluating GSH interventions for BN. Participants received eight sessions of GSH over a 6‐ to 8‐week period and were assessed at baseline, pretreatment, posttreatment, and 6‐month follow‐up. Results: Motivation (confidence in ability to change) proved to be the most robust predictor of outcome, across three of the four outcome measures. Baseline measures of concern over mistakes perfectionism also uniquely predicted outcome at posttreatment. Posttreatment measures of stress, eating disorder‐related automatic thoughts, and frequency of binge episodes predicted outcome at 6‐month follow‐up. Discussion: This study suggests that tackling motivation early in therapy, with a particular focus on confidence in succeeding in change, could be of benefit to outcome in BN treatment. © 2010 by Wiley Periodicals, Inc. Int J Eat Disord 2011