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  • Title: Expectancies related to thinness, dietary restriction, eating, and alcohol consumption in women with bulimia nervosa.
    Author: Bruce K, Mansour S, Steiger H.
    Journal: Int J Eat Disord; 2009 Apr; 42(3):253-8. PubMed ID: 19034912.
    Abstract:
    OBJECTIVE: To investigate behavior-outcome expectancies relating to thinness, dietary restriction, eating, and alcohol consumption in women with bulimia nervosa (BN). METHOD: Women with BN (N = 29), women with BN and a co-morbid lifetime alcohol use disorder (AUD; N = 18), and control women (N = 24), completed interviews and questionnaires assessing eating- and alcohol-related symptoms, as well as questionnaires measuring expectancies relating to thinness, dietary restriction, eating, and alcohol consumption. RESULTS: Compared with the control group, both bulimic groups reported greater positive expectancies relating to thinness, dietary restriction and eating; expectancy endorsements were also predictive of the severity of eating-related symptoms. Compared with the other groups, the bulimic group with comorbid lifetime AUD had elevated positive alcohol-related expectancies, and alcohol expectancy endorsements predicted severity of alcohol-related symptoms. DISCUSSION: Women with BN endorsed more positive expectancies relating to thinness, dietary restriction, and eating, whereas women with BN and a lifetime comorbid AUD endorsed more positive alcohol expectancies. The results are consistent with expectancy theory in that positive expectancy endorsements were associated with symptom severity in a syndrome-specific manner. Expectancies related to thinness, dietary restriction, eating, and alcohol consumption in women with BN.
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