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Motivational Interviewing Approach Does Not Reduce BMI in Children

Medically reviewed by Carmen Pope, BPharm. Last updated on Jan 29, 2024.

By Elana Gotkine HealthDay Reporter

MONDAY, Jan. 29, 2024 -- A motivational interviewing (MI) strategy seems not to be effective for reducing childhood obesity, with youth in the intervention arm gaining more weight, according to a study published online Jan. 29 in Pediatrics.

Ken Resnicow, Ph.D., from the University of Michigan in Ann Arbor, and colleagues randomly assigned 18 pediatric primary care practices to receive the Brief Motivational Interviewing to Reduce BMI [body mass index] (BMI2+) intervention or continue with usual care (UC). The intervention was composed of four components: four sessions of in-person and telehealth MI counseling by pediatric clinicians; six telephone MI counseling sessions with a registered dietitian; text message reminders and tailored motivational messages; and educational materials for parents. The change in the percentage of the 95th percentile of BMI was assessed as the main outcome.

The researchers found that for the main outcome, there was a significant treatment-by-time interaction, favoring the UC group (b = 0.017). A greater relative increase in the percent of the 95th percentile of BMI was seen for youth in the intervention arm.

"MI delivered by pediatric clinicians and registered dietitians did not improve the weight status of participating children," the authors write. "Methodologic and cultural factors as well as the COVID-19 pandemic may have contributed to our findings."

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Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

© 2024 HealthDay. All rights reserved.

Posted January 2024

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