Table 2.
Unadjusted and adjusted hazard ratios (HRs) for sexual debut before age 16 among unmarried adolescents in Rakai, Uganda by household family structure and sociodemographic covariates (n = 1940 observations)
| Sexual debut n/N (%) | Unadjusted HR (95% CI) | Adjusted HR (95% CI)a | |
|---|---|---|---|
| Individual level characteristics | |||
| Occupation | |||
| Student | 459/1335 (34.4) | 1.00 | 1.00 |
| Agriculture for home | 163/344 (47.4) | 1.39 (1.15−1.68)*** | 1.29 (1.07−1.56)** |
| Agriculture for selling | 28/73 (38.4) | 1.10 (0.81−1.49) | 1.12 (0.83−1.53) |
| Housework in home | 69/149 (46.3) | 1.48 (1.07−2.05)* | 1.36 (1.00−1.86)* |
| Other | 22/39 (56.4) | 1.89 (1.28−2.78)** | 1.74 (1.23−2.46)** |
| Religion | |||
| Save/Pentecostal | 29/105 (27.6) | 1.00 | 1.00 |
| Catholic | 424/1080 (39.3) | 1.46 (0.93−2.29) | 1.40 (0.88−2.20) |
| Protestant | 262/402 (34.8) | 1.28 (0.83−1.97) | 1.39 (0.90−2.13) |
| Muslim | 148/353 (41.9) | 1.62 (1.05−2.52)* | 1.78 (1.13−2.80)* |
| Tribe | |||
| Muganda | 642/1659 (38.7) | 1.00 | 1.00 |
| Munyankole | 29/117 (24.8) | 0.59 (0.39−0.91)* | 0.63 (0.42−0.94)* |
| Munyarwanda | 23/49 (46.9) | 1.34 (0.84−2.11) | 1.35 (0.90−2.03) |
| Murundi/Makiga | 14/34 (41.2) | 1.12 (0.62−2.03) | 1.18 (0.66−2.13) |
| Mutanzania | 18/43 (41.9) | 1.15 (0.71−1.84) | 1.04 (0.63−1.71) |
| Other | 15/38 (39.5) | 1.08 (0.60−1.93) | 1.09 (0.61−1.95) |
| Alcohol use in prior 30 days | |||
| No | 653/1750 (37.3) | 1.00 | 1.00 |
| Yes | 88/190 (46.3) | 1.25 (0.99−1.58) | 1.22 (0.96−1.53) |
| Family level characteristics | |||
| Wealth | |||
| High | 174/480 (36.3) | 1.00 | 1.00 |
| High−mid | 144/360 (40.0) | 1.12 (0.92−1.36) | 1.08 (0.89−1.31) |
| Mid | 171/433 (39.5) | 1.15 (0.92−1.44) | 1.13 (0.89−1.42) |
| Low−mid | 139/393 (35.4) | 0.98 (0.79−1.23) | 0.98 (0.77−1.24) |
| Low | 113/274 (41.2) | 1.21 (0.93−1.56) | 1.14 (0.88−1.49) |
| Polygamous household | |||
| Yes | 120/348 (34.5) | 1.00 | 1.00 |
| No | 621/1592 (39.0) | 1.20 (1.01−1.42)* | 1.12 (0.95−1.34) |
| Family size | − | 0.96 (0.94−0.99)** | 0.99 (0.96−1.01) |
| Family structure | |||
| Both biological parents | 239/754 (31.7) | 1.00 | 1.00 |
| Biological father/stepmother | 37/101 (36.6) | 1.26 (0.91−1.76) | 1.21 (0.87−1.69) |
| Biological mother/stepfather | 29/55 (52.7) | 1.99 (1.26−3.15)** | 1.89 (1.15−3.10)* |
| Single mother | 128/342 (37.4) | 1.24 (0.99−1.55) | 1.15 (0.92−1.43) |
| Single father | 11/30 (36.7) | 1.24 (0.66−2.32) | 1.05 (0.49−2.23) |
| Grandparent | 136/285 (47.7) | 1.77 (1.38−2.26)*** | 1.66 (1.31−2.10)*** |
| Sibling | 26/51 (51.0) | 1.96 (1.27−3.03)** | 1.68 (1.06−2.65)* |
| Other relatives | 103/256 (40.2) | 1.39 (1.08−1.77)** | 1.33 (1.06−1.68)* |
| Nonrelatives | 17/44 (38.6) | 1.37 (0.87−2.16) | 1.30 (0.82−2.08) |
| Alone (adolescent-headed) | 15/22 (68.2) | 2.65 (1.54−4.59)*** | 1.97 (1.14−3.38)* |
Notes: * ≤ 0.05; ** ≤ 0.01; *** ≤ 0.001.
aAdjusted for other variables in the table.