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This randomized controlled trial tests the efficacy of a culturally and linguistically appropriate, evidence-based intervention to slow weight gain or promote weight loss among overweight 6-9 year old Mexican-American children.
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Overweight and obesity is a serious problem for Mexican-American children, due in part to poverty, acculturation, genetic predisposition or other factors. Clinic-based weight control studies have shown promise, but often include convenience samples with few or no Latino children. This randomized controlled trial tests the efficacy of a culturally and linguistically appropriate, evidence-based intervention to lower Body Mass Index (BMI) or slow weight gain among overweight 6-9 year old Mexican-American children randomly sampled from a large (36,192 pediatric patients) community clinic providing services to low and medium income families in a US-Mexico border community (San Ysidro, CA). Intervention and measurement design and selection are based on a "Socioecological Model for Latino Health Promotion". Children and their parents will be randomly assigned to either a Special Intervention (SI) or Usual Care (UC) group. The SI group will participate in the following behavior change activities based on Prevention Plus and Structured Weight Management approaches:
The UC group will receive standard health education for childhood obesity already provided by the community clinic. The primary outcome for the study is child BMI, which along with other changes in physical outcomes, child health behaviors and parenting behaviors will be evaluated at four time-points (baseline, 6-, 12-, and 18-months). The primary hypothesis is that the SI group will demonstrate lower mean BMI than the UC group at the end of a 6 month intervention with a maximum difference occurring at 12 months, and will sustain this difference for an additional six months (18 months after baseline). Secondary aims include examining intervention effects on children's energy balance, physical activity levels, sedentary behavior and parenting strategies related to their children's health behaviors.
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297 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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