Parameter estimates for random-intercept Poisson regression models of the percentage of double orphans among children aged 0–17 using Demographic and Health Survey data from countries in mainland sub-Saharan Africa with generalised HIV epidemics.
| Variable | Coefficient | SE |
| Intercept | 1.3478 | 0.1563 |
| ln (percentage of children who are expected double orphans) | 0.7539 | 0.0283 |
| Children's age | −0.02108 | 0.0131 |
| ln (HIV prevalence in year t−1) | −0.1506 | −0.0540 |
| Children's age×ln (HIV prevalence in year t−1) | 0.007225 | 0.0050 |
| ln (HIV prevalence in year t−12) | 0.09887 | 0.0113 |
| Intercountry variance of the intercept | 0.0196 | 0.0059 |
| Intersurvey variance of the intercept | 0.0000 | 0.0000 |
| Extra-Poisson variation | 1.7701 | 0.2071 |