Table 3.
Substance use and psychosocial characteristics among college students who had sex in the last year
| Variables | Total (N = 1430) | Condom-using group (n = 1170) | Condomless sex group(n = 260) | χ 2 | P Value |
|---|---|---|---|---|---|
| Substance use before sex | |||||
| Smoking before sex | 9.146 | 0.002 | |||
| Yes | 347(24.3) | 265(22.6) | 82(31.5) | ||
| No | 1083(75.7) | 905(77.4) | 178(68.5) | ||
| Using e-cigarettes before sex | 16.012 | <0.001 | |||
| Yes | 120(8.4) | 82(7.0) | 38(14.6) | ||
| No | 1310(91.6) | 1088(93.0) | 222(85.4) | ||
| Drinking alcohol before sex | 18.235 | <0.001 | |||
| Yes | 502(35.1) | 381(32.6) | 121(46.5) | ||
| No | 928(64.9) | 789(67.4) | 139(53.5) | ||
| Using club drugs before sex | 25.452 | <0.001 | |||
| Yes | 30(2.1) | 14(1.2) | 16(6.2) | ||
| No | 1400(97.9) | 1156(98.8) | 244(93.8) | ||
| Psychosocial characteristics | |||||
| Score on SRBBS, M (IQR)a | |||||
| Attitudes towards condom use points |
15.0 (12.0 ~ 15.0) |
15.0 (13.0 ~ 15.0) |
12.0 (11.0 ~ 15.0) |
0.294 | < 0.001 |
| Norms on condom use points |
15.0 (12.0 ~ 15.0) |
15.0 (12.0 ~ 15.0) |
12.0 (10.0 ~ 15.0) |
0.215 | < 0.001 |
| Self-efficacy of condom use points |
14.0 (11.0 ~ 15.0) |
15.0 (12.0 ~ 15.0) |
11.0 (9.0 ~ 12.0) |
0.319 | < 0.001 |
| Five-factor model of Personality, M (IQR) | |||||
| Extraversion | 6.0(6.0 ~ 7.0) | 6.0(6.0 ~ 7.0) | 6.0(6.0 ~ 7.8) | 0.021 | 0.419 |
| Agreeableness | 6.0(6.0 ~ 7.0) | 6.0(6.0 ~ 7.0) | 6.0(5.0 ~7.0) | 0.029 | 0.269 |
| Conscientiousness | 6.0(6.0 ~ 7.0) | 6.0(6.0 ~ 7.0) | 6.0(6.0 ~ 8.0) | 0.012 | 0.643 |
| Neuroticism | 6.0(5.0 ~ 7.0) | 6.0(5.0 ~ 7.0) | 6.0(5.0 ~ 7.0) | 0.016 | 0.535 |
| Openness | 8.0(6.0 ~ 9.0) | 8.0(6.0 ~ 9.0) | 8.0(6.0 ~ 9.0) | 0.033 | 0.214 |
| Sensation seeking, M (IQR) | |||||
| Experience seeking | 6.0(4.0 ~ 7.0) | 6.0(4.0 ~ 7.0) | 6.0(4.0 ~ 7.0) | 0.025 | 0.337 |
| Boredom susceptibility | 6.0(5.0 ~ 7.0) | 6.0(5.0 ~ 7.0) | 6.0(5.0 ~ 7.0) | 0.010 | 0.708 |
| Thrill adventure seeking | 6.0(5.0 ~ 8.0) | 6.0(5.0 ~ 8.0) | 6.0(5.0 ~ 8.0) | 0.020 | 0.439 |
| Disinhibition | 4.0(3.0 ~ 6.0) | 4.0(3.0 ~ 5.0) | 4.0(3.0 ~ 6.0) | 0.089 | 0.001 |
| Sexual compulsivity | 18.0 (11.0 ~ 21.0) | 17.0 (10.0 ~ 21.0) | 20.0 (13.0 ~ 23.0) | 0.151 | < 0.001 |
aSRBBS referred to sexual risk behavior beliefs and self-efficacy. M referred to median. IQR referred to interquartile range