Variable | Crude odds ratio, COR (95% CI) | p-value* | Adjusted odds ratio, AOR (95% CI) | p-value** |
---|---|---|---|---|
Age (years) |  | < 0.01 |  | 0.34 |
 15 | 1 |  | 1 |  |
 16 | 1.09(0.88–1.34) |  | 1.06(0.85–1.31) |  |
 17 | 1.34(1.09–1.64) |  | 1.23(0.99–1.53) |  |
 18 | 1.38(1.10–1.72) |  | 1.20(0.95–1.53) |  |
 19 | 1.44(1.15–1.80) |  | 1.20(0.91–1.58) |  |
Educational level | Â | < 0.01 | Â | < 0.01 |
 No education | 1 |  | 1 |  |
 Primary | 0.93(0.42–2.08) |  | 0.82(0.36–1.89) |  |
 Secondary | 1.77(1.48–3.92) |  | 1.40(1.13–3.20) |  |
 Tertiary | 7.79(0.81–74.93) |  | 5.21(0.54–50.43) |  |
Working status | Â | 0.01 | Â | 0.30 |
 Not working | 1 |  | 1 |  |
 Working | 0.81(0.69–0.94) |  | 0.91(0.76–1.09) |  |
Marital status | Â | 0.59 | Â | 0.65 |
 Unmarried | 1 |  | 1 |  |
 Married | 1.15(0.68–1.95) |  | 1.14(0.64–2.04) |  |
Religion | Â | 0.04 | Â | 0.03 |
 Catholic | 1 |  | 1 |  |
 Protestant | 0.82(0.69–0.98) |  | 0.82(0.68–0.99) |  |
 Others | 1.06(0.84–1.33) |  | 1.00(0.80–1.26) |  |
Health insurance coverage |  | < 0.01 |  | < 0.01 |
 No | 1 |  | 1 |  |
 Yes | 1.61(1.32–1.97) |  | 1.39(1.12–1.73) |  |
History of STI | Â | Â | Â | Â |
 No | 1 | 0.06 | 1 | 0.06 |
 Yes | 4.39(0.92–20.95) |  | 4.45(0.94–21.07) |  |
Exposure to newspapers | Â | 0.02 | Â | 0.11 |
 No | 1 |  | 1 |  |
 Yes | 1.21(1.04–1.40) |  | 0.87(0.74–1.03) |  |
Exposure to radio | Â | < 0.01 | Â | 0.24 |
 No | 1 |  | 1 |  |
 Yes | 1.55(1.27–1.89) |  | 1.15(0.91–1.45) |  |
Exposure to Television | Â | < 0.01 | Â | 0.01 |
 No | 1 |  | 1 |  |
 Yes | 1.42(1.22–1.65) |  | 1.23(1.05–1.44) |  |
Contraceptive use | Â | 0.60 | Â | 0.71 |
 No | 1 |  | 1 |  |
 Yes | 1.12(0.73–1.72) |  | 0.91(0.56–1.47) |  |
HIV test | Â | < 0.01 | Â | 0.01 |
 No | 1 |  | 1 |  |
 Yes | 1.44(1.23–1.69) |  | 1.26(1.07–1.49) |  |
Owns mobile phone | Â | < 0.01 | Â | 0.02 |
 No | 1 |  | 1 |  |
 Yes | 1.382(1.164–1.641) |  | 1.26(1.04–1.52) |  |
Wealth index | Â | < 0.01 | Â | 0.12 |
 Poorest | 1 |  | 1 |  |
 Poorer | 1.06(0.84–1.35) |  | 0.88(0.68–1.13) |  |
 Middle | 1.34(1.03–1.75) |  | 1.03(0.77–1.36) |  |
 Richer | 1.79(1.40–2.30) |  | 1.18(0.90–1.56) |  |
 Richest | 1.44(1.11–1.88) |  | 0.90(0.65–1.24) |  |
Household size | Â | 0.88 | Â | 0.80 |
 6 and above | 1 |  | 1 |  |
 Less than 6 | 1.01(0.86–1.19) |  | 1.02(0.86–1.22) |  |
Sex of household head | Â | 0.29 | Â | 0.53 |
 Male | 1 |  | 1 |  |
 Female | 0.92(0.78–1.08) |  | 0.95(0.80–1.12) |  |
Residence | Â | 0.69 | Â | 0.84 |
 Rural | 1 |  | 1 |  |
 Urban | 1.05(0.84–1.30) |  | 0.97(0.73–1.29) |  |
Region |  | < 0.01 |  | < 0.01 |
 South | 1 |  | 1 |  |
 North | 0.72(0.57–0.90) |  | 0.75(0.59–0.95) |  |
 East | 1.07(0.87–1.32) |  | 1.08(0.87–1.34) |  |
 West | 0.78(0.63–0.97) |  | 0.81(0.65–1.01) |  |
 Kigali | 0.80(0.60–1.05) |  | 0.65(0.49–0.87) |  |