Table 2.
Change in BMI and health behaviors from baseline to 2 years by intervention assignment
| Baseline | 2 Years | Change | Unadjusted differencea | Adjusted differenceb | |
|---|---|---|---|---|---|
| Mean (SD) | β (95% CI) | ||||
| BMI z-score | |||||
| Intervention | 1.88 (0.69) | 1.67 (0.67) | −0.20 (0.51) | −0.02 (−0.12, 0.07) | −0.04 (−0.14, 0.06) |
| Usual care | 1.82 (0.56) | 1.65 (0.60) | −0.18 (0.47) | ||
| BMI | |||||
| Intervention | 19.2 (2.6) | 20.3 (3.6) | 1.11 (1.99) | −0.07 (−0.57, 0.43) | −0.08 (−0.53, 0.36) |
| Usual care | 19.1 (2.0) | 20.4 (2.9) | 1.22 (1.82) | ||
| Sugar-sweetened beverage intake, servings/d | |||||
| Intervention | 2.25 (1.77) | 1.62 (1.38) | −0.61 (1.71) | −0.26 (−0.64, 0.12) | −0.26 (−0.67, 0.14) |
| Usual care | 1.95 (1.54) | 1.65 (1.28) | −0.31 (1.22) | ||
| Fast food consumption, servings/wk | |||||
| Intervention | 1.16 (0.93) | 0.94 (0.72) | −0.23 (0.90) | −0.13 (−0.37, 0.12) | −0.09 (−0.34, 0.17) |
| Usual care | 1.13 (0.90) | 1.05 (0.83) | −0.08 (0.97) | ||
| Total TV and video viewing, h/d | |||||
| Intervention | 2.67 (1.58) | 2.17 (1.14) | −0.50 (1.54) | −0.27 (−0.54, 0.00) | −0.20 (−0.49, 0.09) |
| Usual care | 2.44 (1.33) | 2.21 (1.16) | −0.23 (1.22) | ||
a
Corrected for clustering within practice
b
Adjusted for child age, sex, and race/ethnicity; parent education and overweight/obesity status at baseline; household income; and time elapsed from baseline to 2-year follow-up visit