| | Variable | Premarital sex | Bivariable analysis | Multivariable analysis | | Yes () | No () | COR (95% CI) | AOR (95% CI) | | Frequency (%) | Frequency (%) |
| | Age | | 15-19 | 272 (5.3) | 4897 (94.7) | 1 | 1 | | 20-24 | 523 (23.6) | 1697 (76.4) | 5.6 (4.7,6.9) | 3.6 (2.8,4.6) | | Sex | | Male | 565 (14.5) | 3324 (85.5) | 2.4 (1.9, 3) | 1.7 (1.3,2.2) | | Female | 230 (6.6) | 3270 (93.4) | 1 | 1 | | Education | | No education | 61 (8.2) | 688 (91.8) | 1 | 1 | | Primary | 364 (8.3) | 4045 (91.7) | 1.01 (.67, 1.5) | 1.01 (0.7, 1.7) | | Secondary | 218 (12.8) | 1489 (87.2) | 1.6 (1.1, 2.5) | 0.96 (0.6, 1.6) | | Tertiary | 252 (40.4) | 372 (59.6) | 4.5 (2.9, 7.3) | 1.1 (0.6, 1.9) | | Residence | | Urban | 312 (16.4) | 1595 (83.6) | 2 (1.6, 2.5) | 1 | | Rural | 483 (8.8) | 4999 (91.2) | 1 | 1.1 (0.8, 1.6) | | Occupation | | Employed | 615 (13.3) | 4006 (86.7) | 2.2 (1.7, 2.8) | 1.4 (1.03, 1.8) | | Unemployed | 180 (6.5) | 2588 (93.5) | 1 | 1 | | Region | | Agrarian | 634 (9.8) | 5838 (90.2) | 1 | 1 | | Pastorals | 35 (10.5) | 299 (89.5) | 1.1 (.9, 1.3) | 1.8 (1.3, 2.4) | | Metropolitan | 126 (21.6) | 458 (78.4) | 2.5 (2.1, 3) | 1.3 (0.9, 1.7) | | Religion | | Orthodox | 446 (13.4) | 2890 (86.6) | 2.2 (.7, 6.7) | 1 | | Protestants | 167 (8.8) | 1730 (91.2) | 1.4 (0.4, 4.3) | 1.5 (0.9, 2.3) | | Muslims | 172 (8.6) | 1839 (91.4) | 1.3 (0.4, 4.1) | 0.98 (0.6, 1.5) | | Other | 10 (6.7) | 135 (93.3) | 1 | 0.64 (0.2, 1.9) | | Media exposure | | Exposed | 256 (10.4) | 2196 (89.6) | 1.02 (0.83, 1.3) | | | Not exposed | 539 (10.9) | 4398 (89.1) | 1 | | | Owe mobile phone | | Yes | 570 (17.3) | 2733 (82.7) | 3.6 (2.9, 4.5) | 1.7 (1.3, 2.3) | | No | 225 (5.5) | 3862 (94.5) | 1 | 1 | | Has bank account | | Yes | 241 (23.7) | 795 (76.3) | 3.1 (2.5, 4) | 1.1 (0.8, 1.5) | | No | 554 (8.7) | 5799 (91.3) | 1 | | | Wealth index | | Poor | 142 (7.1) | 1865 (92.9) | 1 | 1 | | Medium | 98 (7.4) | 1226 (92.6) | 1.1 (.73, 1.5) | 0.9 (0.6, 1.4) | | Rich | 555 (13.7) | 3503 (86.3) | 2.1 (1.6, 2.7) | 1.4 (1, 1.9) | | Internet use | | Never used | 534 (8.5) | 5787 (91.5) | 1 | 1 | | Ever used | 261 (24.4) | 807 (75.6) | 3.5 (2.8, 4.4) | 1.8 (1.3, 2.5) | | Alcohol use | | Yes | 457 (16.7) | 2277 (83.3) | 2.6 (2.1, 3.2) | 2.4 (1.7, 2.5) | | No | 338 (7.3) | 4317 (92.7) | 1 | 1 | | Cigarette smoking | | Never smoke | 774 (10.5) | 6564 (89.5) | 1 | 1 | | Ever smoke | 21 (41.2) | 30 (58.8) | 5.7 (2.3, 11.4) | 1.6 (0.7, 4) | | Khat chewed | | Never chewed | 638 (9.7) | 5950 (90.3) | 1 | 1 | | Ever chewed | 157 (19.6) | 644 (80.4) | 2.7 (1.7, 3) | 2.4 (1.6, 3.5) | | Knowledge of HIV preventive methods | | Know | 314 (10.9) | 2566 (89.1) | 1.03 (0.8, 1.3) | | | Do not know | 481 (10.7) | 4028 (89.3) | 1 | | | Comprehensive HIV knowledge | | Do not have | 432 (10.4) | 3731 (89.6) | 1 | | | Had | 363 (11.3) | 2863 (88.7) | 1..2 (0.9, 1.4) | | | Ever tested for HIV | | No | 487 (9.9) | 4413 (90.1) | 1 | 1 | | Yes | 308 (12.4) | 2181 (87.6) | 1.3 (1.03, 1.6) | 1.3 (1.1, 1.6) |
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