Journal of nutrition education and behavior · 2018
Findings From a Randomized Trial of Weight Gain Prevention Among Overweight Puerto Rican Young Adults.
СтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаПоддержка правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Halperin Daniel T, Laux Jeffrey, LeFranc-García Carlos, Araujo Coloma, Palacios Cristina
Аннотация
OBJECTIVE: Assess impact of multimodality weight gain prevention intervention.
METHODS: Randomized clinical trial among 39 overweight young Puerto Rico college students using 10 weekly peer-support sessions promoting dietary, physical activity, and other lifestyle changes enhanced by stress-reduction and mindfulness approaches. Body mass index (BMI) and self-reported behaviors were measured at baseline and at 10 weeks and 6 months after baseline.
RESULTS: At the completion of the intervention, BMIs in the experimental arm were 0.8 units lower than at baseline (z = -3.0; P = .008) and 1.2 lower at 6 months after baseline (z = -4.1; P < .001); BMIs in the control arm were 0.7 higher (z = 2.7; P = .02) at 10 weeks and 0.8 higher at 6 months (z = 3.1; P = .005). Group × time interaction confirmed that BMI differed significantly over time between arms (χ2 = 26.9; degrees of freedom = 2; P < .001). Analysis of behavioral changes was mostly inconclusive although the experimental arm reported a considerable increase in walking at 10 weeks. Qualitative data suggested that yoga and mindfulness components were particularly useful for motivating participants to maintain healthier lifestyle patterns.
CONCLUSIONS: Body mass index in the experimental arm decreased at the end of intervention and was maintained at 6 months' follow-up.
METHODS: Randomized clinical trial among 39 overweight young Puerto Rico college students using 10 weekly peer-support sessions promoting dietary, physical activity, and other lifestyle changes enhanced by stress-reduction and mindfulness approaches. Body mass index (BMI) and self-reported behaviors were measured at baseline and at 10 weeks and 6 months after baseline.
RESULTS: At the completion of the intervention, BMIs in the experimental arm were 0.8 units lower than at baseline (z = -3.0; P = .008) and 1.2 lower at 6 months after baseline (z = -4.1; P < .001); BMIs in the control arm were 0.7 higher (z = 2.7; P = .02) at 10 weeks and 0.8 higher at 6 months (z = 3.1; P = .005). Group × time interaction confirmed that BMI differed significantly over time between arms (χ2 = 26.9; degrees of freedom = 2; P < .001). Analysis of behavioral changes was mostly inconclusive although the experimental arm reported a considerable increase in walking at 10 weeks. Qualitative data suggested that yoga and mindfulness components were particularly useful for motivating participants to maintain healthier lifestyle patterns.
CONCLUSIONS: Body mass index in the experimental arm decreased at the end of intervention and was maintained at 6 months' follow-up.