Table 3.
Multivariate complex survey logistic regression estimates of HIV prevalence (N = 14,779)
| Demographic Characteristic | OR | Std. Err. | P-value | 95% CI of OR | |
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Gender | |||||
| Male | Ref. | ||||
| Female | 2.36 | 0.24 | < 0.001 | 1.94 | 2.87 |
| Age | |||||
| 15–19 | Ref | ||||
| 20–24 | 1.38 | 0.30 | 0.14 | 0.90 | 2.10 |
| 25–29 | 2.43 | 0.51 | < 0.001 | 1.61 | 3.66 |
| 30–34 | 4.02 | 0.85 | < 0.001 | 2.66 | 6.08 |
| 35–39 | 4.90 | 0.95 | < 0.001 | 3.35 | 7.19 |
| 40–44 | 5.83 | 1.15 | < 0.001 | 3.95 | 8.60 |
| 45–49 | 5.91 | 1.29 | < 0.001 | 3.85 | 9.08 |
| 50+ | 9.42 | 2.55 | < 0.001 | 5.54 | 16.01 |
| Education | |||||
| Post-Secondary | Ref. | ||||
| No education | 1.06 | 0.32 | 0.85 | 0.59 | 1.90 |
| Primary | 1.25 | 0.32 | 0.39 | 0.75 | 2.07 |
| Secondary | 1.01 | 0.26 | 0.96 | 0.61 | 1.68 |
| Marital Status | |||||
| Never Married | Ref. | ||||
| Currently Married | 1.32 | 0.30 | 0.23 | 0.84 | 2.07 |
| Ever Marrieda | 1.88 | 0.41 | < 0.001 | 1.22 | 2.90 |
| Religion | |||||
| Other Protestants | Ref | ||||
| Catholic | 0.90 | .10 | 0.35 | 0.71 | 1.13 |
| Church of Central Africa Presbyterian. | 1.03 | 0.11 | 0.80 | 0.83 | 1.27 |
| Muslim | 0.77 | 0.10 | 0.05 | 0.59 | 1.00 |
| No Religion/Other | 1.53 | 0.49 | 0.18 | 0.82 | 2.85 |
| Total number of lifetime sexual partners | |||||
| 1 | Ref. | ||||
| 0 | 0.96 | 0.31 | 0.90 | 0.51 | 1.80 |
| 2 | 2.17 | .24 | < 0.001 | 1.75 | 2.69 |
| 3–4 | 3.12 | 0.39 | < 0.001 | 2.45 | 3.97 |
| 5–9 | 3.10 | 0.54 | < 0.001 | 2.21 | 4.36 |
| 10+ | 5.32 | 1.06 | < 0.001 | 3.59 | 7.87 |
| Undisclosed | 2.88 | 1.55 | 0.05 | 1.01 | 8.26 |
| Use of condom/use condom for most recent sex | |||||
| Yes | Ref | ||||
| No | 0.57 | 0.07 | < 0.001 | 0.45 | 0.72 |
| Never had recent Sex | 0.88 | 0.14 | 0.43 | 0.64 | 1.21 |
| Number of extra marital sex partners | |||||
| None | Ref | ||||
| 1 | 0.87 | 0.13 | 0.35 | 0.64 | 1.17 |
| 2+ | 0.40 | 0.16 | 0.02 | 0.18 | 0.89 |
| Undisclosed | 16.39 | 18.59 | 0.01 | 1.77 | 151.94 |
| Had any STI last 12 months | |||||
| Yes | Ref | ||||
| No | 0.57 | 0.11 | < 0.001 | 0.39 | 0.82 |
| Don’t know | 0.23 | 0.25 | 0.18 | 0.03 | 1.93 |
| Household Wealth | |||||
| Richest | Ref | ||||
| Poor | 0.72 | 0.10 | 0.02 | 0.54 | 0.95 |
| Rich | 0.82 | 0.12 | 0.17 | 0.62 | 1.09 |
| Place of residence | |||||
| Rural | Ref | ||||
| Urban | 2.16 | 0.35 | < 0.001 | 1.57 | 2.97 |
| Region of Residence | |||||
| Northern Region | Ref | ||||
| Central region | 1.09 | 0.19 | 0.63 | 0.77 | 1.53 |
| Southern region | 2.66 | 0.40 | < 0.001 | 1.98 | 3.57 |
| Model Details | |||||
| Population size | 14,779 | ||||
| Number of observations | 14,779 | ||||
| Number of strata | 56 | ||||
| Number of Primary Sampling Uuits | 850 | ||||
| Design df | 794 | ||||
| F (35, 760) | 23.92 | ||||
| Prob > F | < 0.001 | ||||
| McKelvey and Zavoina’s R2 | 0.324 | ||||
aEver Married: included those who were divorced, separated and widowed