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Motivational interviewing and dietary counseling for obesity in primary care: an RCT
Journal article   Open access   Peer reviewed

Motivational interviewing and dietary counseling for obesity in primary care: an RCT

Kenneth Resnicow, Fiona McMaster, Alison Bocian, Donna Harris, Yan Zhou, Linda Snetselaar, Robert Schwartz, Esther Myers, Jaquelin Gotlieb, Jan Foster, …
Pediatrics (Evanston), Vol.135(4), pp.649-657
04/2015
DOI: 10.1542/peds.2014-1880
PMCID: PMC4379459
PMID: 25825539
url
https://doi.org/10.1542/peds.2014-1880View
Published (Version of record) Open Access

Abstract

Few studies have tested the impact of motivational interviewing (MI) delivered by primary care providers on pediatric obesity. This study tested the efficacy of MI delivered by providers and registered dietitians (RDs) to parents of overweight children aged 2 through 8. Forty-two practices from the Pediatric Research in Office Settings Network of the American Academy of Pediatrics were randomly assigned to 1 of 3 groups. Group 1 (usual care) measured BMI percentile at baseline and 1- and 2-year follow-up. Group 2 (provider only) delivered 4 MI counseling sessions to parents of the index child over 2 years. Group 3 (provider + RD) delivered 4 provider MI sessions plus 6 MI sessions from a RD. The primary outcome was child BMI percentile at 2-year follow up. At 2-year follow-up, the adjusted BMI percentile was 90.3, 88.1, and 87.1 for groups 1, 2, and 3, respectively. The group 3 mean was significantly (P = .02) lower than group 1. Mean changes from baseline in BMI percentile were 1.8, 3.8, and 4.9 across groups 1, 2, and 3. MI delivered by providers and RDs (group 3) resulted in statistically significant reductions in BMI percentile. Research is needed to determine the clinical significance and persistence of the BMI effects observed. How the intervention can be brought to scale (in particular, how to train physicians to use MI effectively and how best to train RDs and integrate them into primary care settings) also merits future research.
Counseling United States Body Mass Index Nutritionists Follow-Up Studies Parents - education Humans Diet, Reducing - psychology Child, Preschool Cooperative Behavior Male Pediatric Obesity - therapy Combined Modality Therapy Interdisciplinary Communication Motivation Parents - psychology Pediatric Obesity - psychology Female Feeding Behavior - psychology Primary Health Care Motivational Interviewing Child

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