Table 3.
Multivariable logistic model for risk factors for HIV infection among couples in Rakai, Uganda
| Factor | Overall sample | HIV positive sample | Adjusted ORs (95% CI) | p-value | |||
|---|---|---|---|---|---|---|---|
| N | n | % | 95% CI | ORs | 95% CI | ||
| HIV prevalence strata | |||||||
| Medium | 433 | 40 | 9.2 | (6.5, 12.0) | 1.00 | ||
| Low | 371 | 22 | 5.9 | (3.5, 8.3) | 0.62 | (0.33, 1.02) | 0.055 |
| High | 510 | 155 | 30.4 | (26.4, 34.4) | 2.31 | (1.52, 3.52) | 0.000 |
| Marital order | |||||||
| First | 862 | 76 | 9.3 | (6.9, 10.7) | 1.00 | ||
| Second | 321 | 93 | 30.5 | (23.9, 34.0) | 3.34 | (2.32, 4.70) | 0.000 |
| Third or higher | 131 | 48 | 39.1 | (28.2, 45.1) | 3.80 | (2.30, 6.28) | 0.000 |
| Marital duration | |||||||
| 1–3 years | 157 | 69 | 43.9 | (36.2, 51.7) | |||
| 4–5 years | 167 | 40 | 24.0 | (17.5, 30.5) | 0.64 | (0.38, 0.71) | 0.093 |
| 6+ years | 990 | 108 | 10.9 | (9.0, 12.9) | 0.28 | (0.18, 0.43) | 0.000 |
| More than one sexual partner | |||||||
| No | 1102 | 162 | 14.70 | (12.6, 16.8) | 1.00 | ||
| Yes | 212 | 55 | 25.94 | (20.0, 32.0) | 1.75 | (1.19, 2.59) | 0.006 |