Brennan, L. (2016). Does motivational interviewing improve retention or outcome in cognitive behaviour therapy for overweight and obese adolescents?. Obesity Research and Clinical Practice,10(4), G. Wittert, K-C. Huang. 481-486. Netherlands: Elsevier BV. Retrieved from https://doi.org/10.1016/j.orcp.2015.08.019
This study aimed to determine whether motivational interviewing improved retention and/or outcome in cognitive behaviour therapy for overweight and obese adolescents (M = 14.4, SD = 2.0; 52% female). The first 23 participants were allocated to a standard semi-structure assessment interview, the remaining 19 to a motivational interview, prior to commencing the intervention. The groups did not differ at baseline or on anthropometric (weight, BMI, BMI-z-score, waist circumference, waist–hip or waist–height ratio), body composition (percent body fat, fat mass, lean mass) or attrition measures post-treatment or post-maintenance (p > .01). MI did not improve retention or outcome of cognitive behaviour therapy for adolescent overweight and obesity.
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