Table 5.
Predictors of multiple sex partner behavior in female undergraduate students (n = 863)
| Explanatory variables | Empty Model | Model 1 Demos OR (95% CI) |
Model 2 Demos + influ OR (95% CI) |
Model 3 All factors OR (95% CI) |
| Demographic Variables | ||||
| Home locationa | ||||
| Eastern coastal regions | 1.00 | 1.00 | 1.00 | |
| Central areas | 0.70(0.42–1.40) | 0.68(0.41–1.13) | 0.77(0.45–1.31) | |
| Western areas | 0.62(0.31–1.22) | 0.58(0.29–1.16) | 0.54(0.26–1.12) | |
| Parents' economic status | ||||
| Poor | 1.00 | 1.00 | 1.00 | |
| Average | 1.44(0.92–2.24) | 1.36(0.86–2.14) | 1.08(0.66–1.77) | |
| Rich | 2.27(1.36–3.79)f | 1.92(1.13–3.26)e | 1.44(0.81–2.57) | |
| Family, peer, and work influences | ||||
| Only one child(yes)b | 1.07(0.76–1.51) | 1.11(0.76–1.60) | ||
| Parents divorced(yes)b | 1.65(0.99–2.73) | 1.36(0.80–2.33) | ||
| Middle-school close classmates and friends disapproving of premarital sex (yes)b | 0.87(0.62–1.21) | 0.94(0.66–1.32) | ||
| Middle-school close friends falling in love (yes)b | 1.27(0.91–1.78) | 1.20(0.84–1.72) | ||
| Current close friends living with boyfriend (yes) b | 1.98(1.38–2.83)f | 1.58(1.07–2.32)e | ||
| Work at place of entertainment (yes)b | 2.21(1.45–3.38)f | 2.04(1.30–3.20)f | ||
| Current student factors | ||||
| Majora | ||||
| Literature and history | 1.00 | |||
| Science and technology | 0.76(0.42–1.36) | |||
| Medical science | 1.52(0.70–3.30) | |||
| Art | 1.99(0.72–5.49) | |||
| Year in school (continuous) | 1.04(0.85–1.28) | |||
| Academic performancea | ||||
| Excellent | 1.00 | |||
| Medium | 1.42(0.94–2.15) | |||
| Poor | 2.91(1.59–5.33)f | |||
| Feelings anxious in college(yes)b | 1.16(1.00–1.36) | |||
| Score in sex-related knowledge (continuous) | 1.02(1.00–1.04) | |||
| Approve/accept premarital sex (yes) | 2.46(0.96–6.33) | |||
| Approve/accept multiple sex partners (yes)b | 2.59(1.73–3.88)f | |||
| Between university variance(SEc) | 0.264(0.157) | 0.227(0.144) | 0.118(0.095) | 0.257(0.162) |
| Explained varianced (%) | 14.02 | 55.30 | 2.65 |
a The first category was used as reference group. bDichotomous variables with 0 (condition absent) as reference group. cStandard error. d Explained 'between school' variance using the variance in the empty model as reference. e p < 0.05 f p < 0.01