Baseline | Implementation year 1 | Follow-up | Implementation year 2 | |||||
---|---|---|---|---|---|---|---|---|
Year | 2011–2012 | 2012–2013 | 2013–2014 | 2014–2015 | ||||
HAP exposure for CCHP + HAP | No | Yes | No | Yes | ||||
HAP exposure for CCHP + HAP Delayed | No | No | No | Yes | ||||
Hierarchical linear model estimates | b (SE) | P | b (SE) | P | b (SE) | P | b (SE) | P |
Year-specific model predicting child BMI percentile, %a | ||||||||
Time | 1.0 (0.7) | 0.14 | −0.4 (0.7) | 0.57 | −0.5 (0.7) | 0.48 | −2.7 (0.8) | 0.001 |
Time x HAP | 0.6 (0.9) | 0.49 | −1.7 (1.0) | 0.08 | −2.6 (0.9) | 0.003 | 1.5 (1.0) | 0.12 |
Year-specific model predicting child BMI z-score | ||||||||
Time | 0.00 (0.02) | 0.88 | −0.03 (0.03) | 0.32 | −0.03 (0.03) | 0.25 | −0.11 (0.03) | 0.001 |
Time x HAP | 0.04 (0.03) | 0.18 | −0.05 (0.04) | 0.17 | −0.08 (0.03) | 0.007 | 0.06 (0.04) | 0.11 |
Year-to-year model predicting child care center mean annual change in BMI percentile, %b | ||||||||
Year | Reference | −0.2 (1.8) | 0.90 | 0.01 (1.5) | 0.99 | −5.6 (2.2) | 0.01 | |
Year x HAP | Reference | −4.3 (2.7) | 0.11 | −5.1 (2.3) | 0.03 | −2.1 (2.4) | 0.37 | |
Year-to-year model predicting child care center mean annual change in BMI z-score | ||||||||
Year | Reference | 0.02 (0.06) | 0.77 | 0.02 (0.05) | 0.72 | −0.2 (0.08) | 0.02 | |
Year x HAP | Reference | −0.2 (0.09) | 0.06 | −0.2 (0.08) | 0.01 | −0.1 (0.08) | 0.18 |