School program in U.K. shows no significant impact on child BMI

School program in U.K. shows no significant impact on child BMI

(HealthDay)—A focused school-based healthy lifestyle program intervention does not have a significant impact on body mass index (BMI) z score after 15 or 30 months, according to a study published online Feb. 7 in The BMJ.

Peymane Adab, M.D., M.P.H., from the University of Birmingham in the United Kingdom, and colleagues conducted a cluster randomized trial in U.K. primary schools. After baseline measurements, 1,467 year-1 pupils aged 5 to 6 years were randomized using a blocked balancing algorithm; 778 pupils were included as controls. At first and second follow-up (15 and 30 months), data were available for 1,287 and 1,169 pupils, respectively. Healthy eating and physical activity were encouraged in the 12-month intervention, including a daily additional 30-minute school time physical activity opportunity and termly school-led family healthy cooking skills workshops.

The researchers found that at 15 months, the mean BMI z score was nonsignificantly lower in the intervention arm (mean difference, −0.075; 95 percent confidence interval, −0.183 to 0.033; P = 0.18) in baseline adjusted models. The mean difference was −0.027 at 30 months (95 percent confidence interval, −0.137 to 0.083; P = 0.63). There were no statistically significant between-group differences in other anthropometric, dietary, , or psychological measurements.

"The primary analyses suggest that this experiential focused had no statistically significant effect on BMI z score or on preventing childhood obesity," the authors write. "Schools are unlikely to impact on the epidemic by incorporating such interventions without wider support across multiple sectors and environments."


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Citation: School program in U.K. shows no significant impact on child BMI (2018, February 8) retrieved 26 January 2020 from https://medicalxpress.com/news/2018-02-school-uk-significant-impact-child.html
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