Table 2.
Generalized estimating equations analysis of MVPA and percent overweight on SBP in African American adolescents receiving obesity treatment
| Variable | B | Wald Chi Square |
df | p |
|---|---|---|---|---|
| Intercept | 86.30 | 133.15 | 1 | <.001 |
| Time | −0.12 | 0.07 | 1 | .797 |
| Adolescent baseline age | 1.09 | 7.81 | 1 | .005 |
| Adolescent gender (femalea) | 4.56 | 11.61 | 1 | .001 |
| Caregiver baseline BMI | −0.04 | 0.43 | 1 | .514 |
| Caregiver baseline SBP | 0.11 | 8.64 | 1 | .003 |
| Adolescent executive functioning | −0.02 | 1.26 | 1 | .262 |
| Adolescent depression symptoms | −0.15 | 2.09 | 1 | .149 |
| Initial treatment (homea vs. office) | 0.68 | 0.17 | 1 | .679 |
| Secondary treatment (CSa vs. CM) | 1.02 | 0.52 | 1 | .472 |
| Initial treatment * secondary treatment | 0.28 | 0.02 | 1 | .900 |
| Time * initial treatment | 0.76 | 1.43 | 1 | .232 |
| Time * secondary treatment | −0.09 | 0.02 | 1 | .889 |
| Time * initial treatment * secondary treatment | −1.06 | 1.26 | 1 | .262 |
| MVPA | −0.28 | 4.14 | 1 | .042 |
| Adolescent percent overweight | 0.09 | 31.49 | 1 | <.001 |
BMI, body mass index; CM, contingency management; df, degrees of freedom; CS, continued skills; MVPA, moderate-to-vigorous physical activity; SBP, systolic blood pressure.
a
The reference group