Baseline demographic characteristics of enrolled patients across all six sites*
| Age at enrolment, years, mean (SD) | 11.1 (3.6) |
| Sex, % female (n) | 47.6% (296) |
| Age at diagnosis, years, mean (SD) | 4.7 (3.7) |
| Family size, mean (SD) | 5.5 (19.9) |
| Monthly income in US dollars, median (IQR) | 33 (19–70) |
| Ethnicity, % of reporting (n) | |
| Amhara | 19.2% (120) |
| Oromo | 12.5% (78) |
| Sidama | 12.9% (81) |
| Wolaita | 24.6% (154) |
| Tigray | 1.9% (12) |
| Gurage | 4.5% (28) |
| Silte | 0.8% (5) |
| Gamo | 6.9% (43) |
| Other | 16.8% (105) |
| Occupation of caregivers, % of reporting (n) | |
| Farmers | 10.1% (63) |
| Government employees | 19.1% (119) |
| Merchants | 20.4% (127) |
| Daily labourers | 21.8% (136) |
| Other | 19.9% (124) |
| Jobless | 8.8% (55) |
| Mother's education, % of reporting (n) | |
| No school | 27.1% (168) |
| Attended some school | 23.4% (145) |
| Completed primary education | 22.7% (141) |
| Completed secondary education | 12.4% (77) |
| Completed tertiary education | 10.8% (67) |
| Read and write, no school | 3.5% (22) |
| Father's education, % of reporting (n) | |
| No school | 14.7% (89) |
| Attended some school | 17.1% (103) |
| Completed primary education | 23.0% (139) |
| Completed secondary education | 23.5% (142) |
| Completed tertiary education | 19.0% (115) |
| Read and write, no school | 2.6% (16) |
| Child lives with, % reporting (n) | |
| Mother and father | 28.2% (176) |
| Mother only | 35.7% (223) |
| Father only | 12.2% (76) |
| Other relative | 19.1% (119) |
| Other | 4.8% (30) |
| Parents alive, % both alive | 48.0% (299) |
| Caregiver HIV positive, % yes | 71.1% (443) |
| Caregiver has HIV healthcare, % yes | 71.3% (440) |
| Caregiver on ART, % yes | 69.7% (434) |
| Other siblings with HIV, % yes | 15.0% (94) |
| Other siblings who died of HIV, % yes | 9.4% (59) |
*Not all percentages reflect a total of 628 participants as some with missing or unknown values.
ART, anti-retroviral treatment.