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Child-care diet/activity RCT and zBMI
A seven-month child-care nutrition and activity intervention significantly reduced children's zBMI versus control centers.
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Child N?
552 three-to-five-year-olds.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Provider N?
137 child care providers.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
zBMI result?
Significant intervention vs control difference (coeff -0.14, p=0.02).
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Duration/setting?
Seven-month RCT in CA, CT, NC.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Coach dose?
Mean 11 on-site visits per center.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Unit of randomisation?
Child care centers.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Outcomes beyond zBMI?
Knowledge, policies, and practices also targeted.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Analytic note?
HLM with center intercepts, adjusting for state/education/poverty.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Limit?
Short follow-up; residual center confounding possible.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified
Takeaway?
Center-based coaching can improve early childhood weight trajectories.
Source: Nutrition and physical activity randomized control trial in child care centers improves knowledge, policies, and children's body mass index · DOI · quote verified