폭식행동자를 위한 인지행동 집단치료의 도중탈락 예측요인 = Predictors of Drop-out from Cognitive-behavioral Grouptherapy for Binge eaters

다국어 초록 (Multilingual Abstract)

Background and purpose : Cognitivebehavioral grouptherapy has become the most popular form of treatment for binge eaters, as it has been demonstrated to be a highly cost-effective method of treating bulimic patients. Unfortunately drop-out rate from group CBT is relatively high. The purpose of this study was to identify predictors of drop-out from cognitive-behavioral group therapy for binge eaters. Prior to treatment, all subjects completed the EDI-2(Eating Disorders Inventory-2), the Rosenberg`s Self-Esteem Scale, the BDI(Beck Depression Inventory), and interviewed the binge and purge frequency per week. In this study, among 41 binge eaters who participated 10-week cognitive-behavioral group therapy, drop-out rate was 36.6%(15 binge eaters). Binge eaters were all women and mean ages of them were 24 years and 95.1% of them were unmarried. 75.6% of them were bulimia nervosa, and the remainders were anorexia nervosa and binge eating disorders. To examine the predictors of drop-out, discriminant analysis was used. The completers were significantly higher in binge frequency and were lower in interpersonal distrust than drop-outs, and in duration of illness the completers also tended to be longer but these univariate differences didn`t reach statistical significance. Wilk`s Lamda was .776 indicating that differences between the completers and drop-outs were significant. The discriminant function analysis was able to successfully predict drop-outs and completers of treatment in 73.2% of cases. Predicted dropouts were correctly identified in 86.7% of cases whereas predicted completers were correctly identified in 65.4% of cases. In conclusion, binge frequency, interpersonal distrust, and duration of illness predicted drop-out from cognitive-behavioral grouptherapy for binge eaters. This results would enable clinicians to more effectively utilize pretreatment assessment information in planning treatment for binge eaters. If patients at risk for dropping out group CBT can be identified at assessment, they may be referred instead to individual CBT, where the likelihood of dropping out is lower. Further research with the larger sample size, and included family factors and personality variables was suggested.