| Variables | VCT utilization | Odds ratio and value | Yes | No | COR (95% CI) | value | AOR (95% CI) | value |
| Marriage | | | | | | | Not married | 262 | 450 | 1 | 0.045 | 1 | 0.219 | Married | 30 | 30 | 1.72 (1.01, 2.91) | 1.50 (0.79, 2.86) | Having boy/girlfriend | | | | | | | No | 176 | 351 | 1 | <0.001 | 1 | 0.01 | Yes | 116 | 129 | 1.79 (1.32, 2.44) | 1.59 (1.12, 2.26) | Origin of residence | | | | | | | Rural | 110 | 203 | 1 | 0.20 | 1 | 0.005 | Urban | 182 | 277 | 1.21 (0.90, 1.63) | 1.63 (1.16, 2.30) | Ethnicity | | | | | | | Amhara | 225 | 386 | 1 | 0.036 | 1 | 0.214 | Oromo | 40 | 45 | 1.52 (0.97, 2.41) | 1.31 (0.79, 2.2) | Tigrie | 15 | 14 | 1.84 (0.87, 3.88) | 1.74 (0.77, 4.0) | Others | 12 | 35 | 0.59 (0.30, 1.16) | 0.65 (0.31, 1.36) | Faculty | | | | | | | Engineering | 121 | 184 | 1 | 0.081 | 1 | 0.296 | Natural science | 45 | 83 | 0.82 (0.54, 1.27) | 0.98 (0.57, 1.67) | Medicine | 3 | 26 | 0.18 (0.05, 0.59) | 0.25 (0.06, 1.04) | Agriculture | 21 | 24 | 1.3 (0.71, 2.5) | 0.93 (0.44, 1.96) | FBE | 40 | 67 | 0.91 (0.58, 1.43) | 1.30 (0.71, 2.35) | Social science | 62 | 96 | 0.98 (0.66, 1.46) | 1.33 (0.79, 2.24) | Year of study | | | | | | | First year | 50 | 149 | 1 | <0.001 | 1 | <0.001 | Second year | 116 | 124 | 2.79 (1.85, 4.19) | 2.71 (1.74, 4.22) | Third year | 97 | 178 | 1.62 (1.08, 2.43) | 1.35 (0.87, 2.10) | Fourth year | 17 | 20 | 2.53 (1.23, 5.21) | 3.54 (1.56, 8.06) | Fifth year | 12 | 9 | 3.97 (1.58, 9.99) | 5.87 (2.14, 16.07) | Perceived at risk | | | | | | | No | 141 | 284 | 1 | 0.009 | 1 | 0.117 | Yes | 137 | 172 | 1.60 (1.19, 2.2) | 1.43 (1.02, 2.0) | Do not know | 14 | 24 | 1.18 (0.6, 2.3) | 1.16 (0.54, 2.5) | Perceived benefit | | | | | | | No | 6 | 18 | 1 | 0.19 | 1 | 0.202 | Yes | 286 | 462 |
1.86 (0.73, 4.73) | 1.92 (0.71, 5.2) | Knew someone who was infected/died with HIV | | | | | | | No | 48 | 200 | 1 | <0.001 | 1 | <0.001 | Yes | 244 | 280 | 3.63 (2.53, 5.2) | 2.15 (1.44, 3.22) | Having a friend who got VCT | | | | | | | No | 61 | 238 | 1 | <0.001 | 1 | <0.001 | Yes | 231 | 242 | 3.72 (2.7, 5.2) | 2.79 (1.99, 4.11) | Discussed with parents HIV | | | | | | | No | 80 | 235 | 1 | <0.001 | 1 | 0.001 | Yes | 212 | 245 | 2.54 (1.86, 3.45) | 1.83 (1.26, 2.66) | Stigmatized attitude | | | | | | | Yes | 112 | 229 | 1 | 0.011 | 1 | 0.269 | No | 180 | 251 | 1.47 (1.09, 197) | 1.21 (0.86, 1.70) |
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