Table 2 Sexual behavioral correlates of sexual debut while using drugs or alcohol among 943 sexually active university students
Behavioral correlates | Sexual debut while on drugs or alcohol | Odds ratio | Adjusted odds ratio by sex | Adjusted odds ratio1 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
No | Yes | ||||||||||
n | % | n | % | OR (95% CI) | P-value | A-OR (95% CI) | P-value | A-OR (95% CI) | P-value | ||
Engagement in first oral sex with | Familiar partner2 | 617 | 80.2 | 54 | 56.3 | 1.00 | - | 1.00 | - | 1.00 | - |
Unfamiliar partner | 152 | 19.7 | 42 | 43.7 | 3.15 (2.03, 4.90) | <0.0001 | 2.67 (1.66-4.28) | <0.0001 | 2.56 (1.57-4.16) | <0.0001 | |
Engagement in first anal sex with | Familiar partner | 201 | 79.1 | 16 | 72.7 | 1.00 | - | 1.00 | - | 1.00 | - |
Unfamiliar partner | 53 | 20.9 | 6 | 27.3 | 1.42 (0.53, 3.81) | 0.48 | 1.18 (0.41, 3.37) | 0.72 | 1.27 (0.44, 3.71) | 0.66 | |
Engagement in first vaginal sex with | Familiar partner | 383 | 75.2 | 46 | 53.5 | 1.00 | - | 1.00 | - | 1.00 | - |
Unfamiliar partner | 126 | 24.8 | 40 | 46.5 | 2.64 (1.65, 4.22) | <0.0001 | 2.10 (1.24, 3.51) | <0.0001 | 2.05 (1.2, 3.49) | 0.01 | |
Level of consent at sexual debut | Willing | 515 | 83.9 | 72 | 81.8 | 1.00 | - | 1.00 | - | 1.00 | - |
Not willing3 | 19 | 3.09 | 3 | 3.4 | 1.13 (0.33, 3.91) | 0.85 | 1.34 (0.38, 4.72) | 0.65 | 1.96 (0.51, 7.5) | 0.33 | |
Persuaded | 59 | 9.61 | 6 | 6.8 | 0.73 (0.30, 1.75) | 0.48 | 0.85 (0.35, 2.05) | 0.71 | 0.98 (0.39, 2.45) | 0.97 | |
Expected to | 21 | 3.42 | 7 | 8.0 | 2.38 (0.98, 5.81) | 0.06 | 2.18 (0.89, 5.36) | 0.09 | 2.42 (0.94, 6.2) | 0.07 | |
Paid for sex | No | 739 | 89.6 | 87 | 84.5 | 1.00 | - | 1.00 | - | 1.00 | - |
Yes | 86 | 10.4 | 16 | 15.5 | 1.58 (0.88, 2.81) | 0.12 | 1.11 (0.61, 2.03) | 0.72 | 1.10 (0.59, 2.04) | 0.75 | |
Condom usage | Always have | 136 | 22.0 | 28 | 30.8 | 1.00 | - | 1.00 | - | 1.00 | - |
Not always | 481 | 78.0 | 63 | 69.2 | 0.64 (0.39, 1.03) | 0.07 | 0.72 (0.44, 1.17) | 0.18 | 0.63 (0.37, 1.05) | 0.08 | |
Condom use at most recent sex | Yes | 345 | 56 | 54 | 59.3 | 1.00 | - | 1.00 | - | 1.00 | - |
No | 271 | 44 | 37 | 40.7 | 0.87 (0.56, 1.36) | 0.55 | 1.03 (0.65, 1.62) | 0.91 | 0.99 (0.61, 1.58) | 0.95 | |
Number of lifetime sexual partners | 1-2 | 302 | 49.8 | 25 | 28.7 | 1.00 | - | 1.00 | - | 1.00 | - |
3-5 | 181 | 29.9 | 36 | 41.4 | 2.40 (1.39, 4.13) | 0.002 | 2.14 (1.23, 3.71) | 0.01 | 1.85 (1.05, 3.25) | 0.03 | |
6-10 | 68 | 11.2 | 11 | 12.7 | 1.95 (0.91, 4.16) | 0.08 | 1.70 (0.79, 3.67) | 0.17 | 1.31 (0.60, 2.89) | 0.49 | |
11 + | 55 | 9.1 | 15 | 17.2 | 3.29 (1.63, 6.64) | <0.001 | 2.97 (1.45, 5.99) | 0.003 | 2.06 (0.98, 4.29) | 0.05 | |
Ever experienced an unplanned pregnancy | No | 790 | 95.5 | 100 | 96.1 | 1.00 | - | 1.00 | - | 1.00 | - |
Yes | 37 | 4.5 | 4 | 3.9 | 0.85 (0.29, 2.44) | 0.76 | 1.02 (0.35, 2.97) | 0.96 | 0.95 (0.31, 2.88) | 0.93 | |
Ever done something sexual didn’t want to do | No | 585 | 71.2 | 61 | 59.2 | 1.00 | - | 1.00 | - | 1.00 | - |
Yes | 203 | 24.7 | 33 | 32.0 | 1.56 (0.99, 2.45) | 0.05 | 1.92 (1.21, 3.01) | <0.001 | 1.74 (1.07, 2.82) | 0.02 | |
Don’t know/remember | 34 | 4.1 | 9 | 8.8 | 2.54 (1.16, 5.54) | 0.01 | 2.58 (1.17, 5.67) | 0.01 | 2.32 (1.02, 5.23) | 0.04 | |
Ever been in relationship moving too fast physically | No | 462 | 56.4 | 68 | 65.4 | 1.00 | - | 1.00 | - | 1.00 | - |
Yes | 357 | 43.6 | 36 | 34.6 | 0.68 (0.44, 1.04) | 0.08 | 0.76 (0.49, 1.18) | 0.23 | 0.86 (0.55, 1.34) | 0.52 | |
Ever subjected to sexual abuse and/or harassment | No | 650 | 81.7 | 86 | 84.3 | 1.00 | - | 1.00 | - | 1.00 | - |
Yes | 146 | 18.3 | 16 | 15.7 | 0.83 (0.47, 1.45) | 0.51 | 1.08 (0.60, 1.93) | 0.79 | 0.91 (0.49, 1.65) | 0.74 | |
Extent worried about doing more sexually than intended due to alc/drugs | Not worried at all | 422 | 57.2 | 46 | 46 | 1.00 | - | 1.00 | - | 1.00 | - |
Not too worried | 202 | 27.4 | 37 | 37 | 1.68 (1.05, 2.67) | 0.03 | 1.59 (0.99, 2.53) | 0.06 | 1.27 (0.78, 2.05) | 0.32 | |
Somewhat worried | 74 | 10 | 10 | 10 | 1.24 (0.59, 2.56) | 0.56 | 1.36 (0.65, 2.82) | 0.41 | 1.09 (0.51, 2.29) | 0.83 | |
Very worried | 40 | 5.4 | 7 | 7 | 1.6 (0.68, 3.78) | 0.28 | 1.88 (0.78, 4.46) | 0.15 | 1.63 (0.67, 3.96) | 0.28 | |