Back to Basics? No Weight Loss from Motivational Interviewing Compared to Nutrition Psychoeducation at One-Year Follow-Up

Obesity
R D BarnesCarlos M Grilo

Abstract

Weight loss interventions have begun to receive increasing attention in primary care. Motivational interviewing (MI) is compatible with primary care because it requires relatively limited time and resources. Few studies, however, have examined the long-term impact of MI for weight loss in primary care, and none have used attention-control comparisons. This study was the first randomized controlled trial with a 12-month follow-up of two Web-supported interventions: motivational interviewing and internet condition (MIC) and nutrition psychoeducation and internet condition (NPC). Fifty-nine patients with overweight or obesity, with and without binge-eating disorder (BED), were randomized to treatments and assessed at 12-month follow-up after completing 3-month treatments in primary care (15 months total). Mixed models examining weight loss at 12 months revealed a group and time interaction effect trend (P = 0.054; d' = 0.57). Secondary end point analysis showed a decrease (-1.7%) versus an increase (1.3%) in weight at 12 months among NPC and MIC patients, respectively (P = 0.056; d' = 0.57). Overall, 5 of 44 (11.4%) participants lost or maintained 5% weight losses; differences between treatments were not significant. BED status di...Continue Reading

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Citations

Apr 11, 2018·The International Journal of Eating Disorders·Rachel D BarnesCarlos M Grilo
Sep 8, 2020·Eating and Weight Disorders : EWD·Rachel D BarnesCarlos M Grilo
May 28, 2020·JMIR MHealth and UHealth·Tatiana Toro-RamosJoshua D Miller
Dec 26, 2017·Journal of Psychosomatic Research·Rachel D BarnesCarlos M Grilo
Oct 16, 2018·General Hospital Psychiatry·Ashley A WiedemannRachel D Barnes

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