| | 95% Confidence Interval |
| Variables | Coef. | Std. Err. | P > |z| | Lower | Upper |
| Treatment group | −0.673 | 1.049 | 0.521 | −2.730 | 1.384 |
| Gender (female child) | 0.492 | 0.904 | 0.586 | −1.280 | 2.264 |
| Age | 0.814 | 0.206 | 0.000 | 0.410 | 1.219 |
| Primary caregiver (ref: Biological Parent) |
| Grandparents | 0.675 | 1.149 | 0.557 | −1.577 | 2.928 |
| Other relatives | 2.238 | 1.138 | 0.049 | 0.006 | 4.469 |
| Orphanhood status (ref: Both parents are alive) |
| Single orphan | 0.708 | 1.068 | 0.507 | −1.385 | 2.800 |
| Double orphan | 1.104 | 1.387 | 0.426 | −1.615 | 3.824 |
| Household composition |
| Number of adults | −0.156 | 0.232 | 0.503 | −0.611 | 0.300 |
| Number of children | 0.249 | 0.318 | 0.433 | −0.375 | 0.874 |
| Enrolled in school | 0.079 | 1.065 | 0.941 | −2.009 | 2.167 |
| HIV Status Disclosure (ref: never) |
| Sometimes | 3.349 | 0.973 | 0.001 | 1.441 | 5.256 |
| About half the time | 1.301 | 2.004 | 0.516 | −2.626 | 5.228 |
| Most of the time | 1.194 | 1.118 | 0.286 | −0.997 | 3.385 |
| Always | 4.063 | 1.042 | 0.000 | 2.020 | 6.106 |
| HIV medication regimen | −0.355 | 0.598 | 0.552 | −1.527 | 0.816 |
| Family cohesion | 0.397 | 0.065 | 0.000 | 0.270 | 0.524 |
| Perceived child-caregiver support | 0.087 | 0.046 | 0.056 | −0.002 | 0.177 |
| Child-caregiver communication | 0.118 | 0.053 | 0.026 | 0.014 | 0.222 |
| Constant | 59.945 | 4.376 | 0.000 | 51.370 | 68.521 |
| Wald test: χ2 (19, 702) =177.29, p = 0.000 |
| | 95% Confidence Interval |
| Random-effects Parameters | Estimate | Std. Err. | | Lower | Upper |
| Variance of Clinic Random Intercept | 1.809 | 2.198 | | 0.167 | 19.561 |
| Variance of Child Random Intercept | 53.995 | 7.793 | | 40.691 | 71.650 |
| Variance of Residuals | 384.261 | 10.587 | | 364.061 | 405.581 |
