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Results of a multi-level intervention to prevent and control childhood obesity among Latino children: the aventuras para ninos study
Crespo NC, Elder JP, Ayala GX, Slymen DJ, Campbell NR, Sallis JF, McKenzie TL, Baquero B, Arredondo EM
Annals of Behavioral Medicine 2012 Feb;43(1):84-100
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND: Community-based interventions are needed to reduce the burden of childhood obesity. PURPOSE: To evaluate the impact of a multi-level promotora-based (community health advisor) intervention to promote healthy eating and physical activity and prevent excess weight gain among Latino children. METHODS: Thirteen elementary schools were randomized to one of four intervention conditions: individual/family level (family-only), school/community level (community-only), combined (family+community), or a measurement-only condition. Participants were 808 Latino parents and their children enrolled in kindergarten through 2nd grade. Measures included parent and child body mass index (BMI) and a self-administered parent survey that assessed several parent and child behaviors. RESULTS: There were no significant intervention effects on children's BMI z-score. The family intervention changed several obesity-related child behaviors (eg, fruit/vegetable consumption) and these were mediated by changes in parenting variables (eg, parent monitoring). CONCLUSION: A promotora-based behavioral intervention was efficacious at changing parental factors and child obesity-related health behaviors.

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