Table 3.
Mixed multivariate linear regression models of MVPA and MVPA- PM Weekday for boys and girls combined as predicted by family support and friend support
| Effect | β | SE | P-Value | |
|---|---|---|---|---|
| MVPA | Intercept | 3.233 | 0.397 | <0.001 |
| Maturity Offset | −0.077 | 0.098 | 0.434 | |
| Maturity Offset* Maturity Offset | 0.026 | 0.009 | 0.005 | |
| Sex (ref = girl) | 1.574 | 0.335 | <0.001 | |
| Family Support | 0.677 | 0.128 | <0.001 | |
| Maturity Offset* Family Support | −0.080 | 0.028 | 0.004 | |
| Family Support* Sex (ref = girl) | −0.298 | 0.118 | 0.012 | |
| Friend Support | 0.267 | 0.055 | <0.001 | |
| Mother’s Ed | 0.355 | 0.192 | 0.065 | |
| MVPA- | Intercept | 2.070 | 0.274 | <0.001 |
| PM Weekday | Maturity Offset | −0.251 | 0.050 | <0.001 |
| Maturity Offset* Maturity Offset | 0.026 | 0.009 | 0.004 | |
| Sex (ref = girl) | 0.385 | 0.126 | 0.002 | |
| Family Support | 0.315 | 0.065 | <0.001 | |
| Friend Support | 0.352 | 0.056 | <0.001 | |
| Mother’s Ed | 0.455 | 0.194 | 0.019 |
Note. β regression parameter estimate, MVPA moderate through vigorous-intensity PA
Note. Box-Cox transformed MVPA minutes used for inferential analyses. N = 401 (207 girls, 194 boys) participants with ≥2 assessments were used for modeling (979 records)