Table 3.
ANC sentinel surveillance 2005: HIV prevalence estimates
| Sample1 (n) | Diagnosed with HIV infection | 95% CIs | Odds ratio | 95% CIs | |||||
| n | % | ||||||||
| HIV Prevalence2 | 1111 | 419 | 37.7 | 34.9 | 40.6 | - | - | - | |
| Antenatal Clinic by location type2 | Urban3 | 595 | 243 | 40.8 | 36.9 | 44.9 | - | - | - |
| Peri-urban | 375 | 135 | 36.0 | 31.1 | 41.1 | 0.8 | 0.6 | 1.1 | |
| Rural | 141 | 41 | 29.1 | 30.0 | 38.4 | 0.6 | 0.4 | 0.9 | |
| Antenatal Clinic by Catchment type2 | Peri-urban/urban3 | 595 | 243 | 40.8 | 36.9 | 44.9 | - | - | - |
| Rural/peri-urban | 176 | 68 | 38.6 | 31.4 | 46.3 | 0.9 | 0.7 | 1.3 | |
| Rural | 340 | 108 | 31.8 | 26.8 | 37.0 | 0.7 | 0.5 | 0.9 | |
| Parity2 | 03 | 430 | 106 | 24.7 | 20.6 | 29.0 | - | - | - |
| 1 | 324 | 150 | 46.3 | 40.8 | 51.9 | 2.6 | 1.9 | 3.6 | |
| 2 | 157 | 85 | 54.1 | 46.0 | 62.1 | 3.6 | 2.5 | 5.3 | |
| 3+ | 166 | 67 | 40.4 | 32.8 | 48.2 | 2.1 | 1.4 | 3.0 | |
| Not known | 34 | 11 | 32.4 | 17.4 | 50.5 | - | - | - | |
| Age | 15–193 | 251 | 49 | 19.5 | 14.8 | 25.0 | - | - | - |
| 20–24 | 408 | 151 | 37.0 | 32.3 | 41.9 | 2.4 | 1.7 | 3.5 | |
| 25–29 | 210 | 114 | 54.3 | 47.3 | 61.2 | 4.9 | 3.2 | 7.4 | |
| 30–34 | 120 | 62 | 51.7 | 42.4 | 60.9 | 4.4 | 2.7 | 7.1 | |
| 35+ | 104 | 38 | 36.5 | 27.3 | 46.6 | 2.4 | 1.4 | 3.9 | |
| Not known | 18 | 5 | 27.8 | 9.7 | 53.5 | - | - | - | |
1 35 women for whom there was no HIV test result removed from these analyses
2 Estimates includes 18 women for whom age was not reported
3 Baseline groups for odds ratios