Table 3.
Generalized Estimating Equation of the Effect of the SystemCHANGE Intervention Physical Activity and Diet Quality, adjusted for age, gender, and race
| β | SE(β) | p-value | 95% Confidence Interval | ||
|---|---|---|---|---|---|
| Minutes of Moderate-to-Vigorous Physical Activity per week (Square root) | |||||
| SystemCHANGE Intervention | −0.040 | 0.938 | 0.966 | −1.879 | 1.798 |
| Time | −0.037 | 0.346 | 0.916 | −0.715 | 0.642 |
| Intervention x Time | −0.514 | 0.476 | 0.281 | −1.447 | 0.420 |
| Season Enrolled | |||||
| Spring | −1.054 | 1.107 | 0.341 | −3.224 | 1.116 |
| Summer | −0.922 | 1.265 | 0.466 | −3.401 | 1.558 |
| Fall | −3.050 | 1.673 | 0.068 | −6.329 | 0.229 |
| Healthy Eating Index | |||||
| SystemCHANGE Intervention | 0.804 | 2.095 | 0.701 | −3.303 | 4.911 |
| Time | −0.235 | 1.048 | 0.822 | −2.290 | 1.819 |
| Intervention x Time | 1.219 | 1.462 | 0.405 | −1.647 | 4.084 |
| Education | |||||
| 11th Grade or Less | 3.139 | 2.218 | 0.157 | −1.208 | 7.485 |
| High School Diploma or GED | 3.243 | 2.327 | 0.163 | −1.317 | 7.804 |
| Some College or Technical Training | 0.932 | 2.768 | 0.736 | −4.493 | 6.358 |
| Associates Degree or Equivalent | 4.827 | 2.825 | 0.078 | −0.710 | 10.363 |
| Bachelor’s Degree or Higher | 20.952 | 4.660 | <0.001* | 11.819 | 30.085 |
| Percent of Daily Calories from Carbohydrates | |||||
| SystemCHANGE Intervention | 4.017 | 2.200 | 0.068 | −0.294 | 8.327 |
| Time | 1.309 | 1.186 | 0.269 | 1.014 | 3.633 |
| Intervention x Time | −3.815 | 1.654 | 0.021* | −7.056 | −0.573 |
| Servings of Sugary Drinks Per Day | |||||
| SystemCHANGE Intervention | 0.606 | 0.351 | 0.084 | −0.082 | 1.293 |
| Time | 0.018 | 0.192 | 0.926 | −0.539 | 0.394 |
| Intervention x Time | −0.602 | 0.270 | 0.026* | −1.131 | −0.073 |