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Int J Eat Disord. 1997 Jan;21(1):17-22.

Predictors of outcome for two treatments for bulimia nervosa: short and long-term.

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  • 1Eating Disorder Research Group, Institute of Psychiatry, London, United Kingdom.

Abstract

OBJECTIVE:

This study examined pretreatment variables to predict outcome in two treatments for bulimia nervosa.

METHOD:

Patients were offered either 16 weeks of cognitive-behavioral therapy (CBT) or a self-treatment manual followed by up to 8 weeks of CBT (sequential group). Using complete data, stepwise regression analyses were performed.

RESULTS:

It was found that a longer duration of illness and lower binge frequency predicted a better outcome both at the end of treatment (p < .001) and at 18 months of follow-up (p < .005). In the sequential group, lower pretreatment binge frequency predicted better outcome at the end of treatment (p < .05) and at 18 months of follow-up (p < .05). In the CBT group, longer duration of illness predicted better outcome at the end of treatment (p < .02).

DISCUSSION:

It is concluded that (1) those with more frequent binging may require a more intense intervention and (2) those who have been ill longer may be more motivated to respond to treatment.

PMID:
8986513
[PubMed - indexed for MEDLINE]
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