Table 2.
Multivariate logistic regression for predictors of sexual intercourse and sex with multiple partners among in-school adolescents stratified by gender (N = 15,318)
| Variable | Ever had sexual intercourse | Sex with ≥ 2 persons | |||
|---|---|---|---|---|---|
| Gender | OR [95% CI] | aOR [95% CI] | OR [95% CI] | aOR [95% CI] | |
| aCurrent smoked cigarette (No) | |||||
| Yes | Male | 3.2 [1·7-6.2]** | 1·9 [1.3-2.8]** | 3.2 [2.7-3.9]*** | 2.1 [1.7-2.7]*** |
| Female | 4.4 [2·7-7.3]*** | 3.0 [2.2-4.2]*** | 6.3 [4.7-8.6*** | 3.6 [2.6-5.1]*** | |
| aCurrently drank alcohol (No) | |||||
| Yes | Male | 3.0 [2.4-3.8]*** | 2·1 [1.8-2.4]*** | 3·2 [2·7-3.9]*** | 2·3 [1·9-2·7]*** |
| Female | 2.5 [2.1-2.9]*** | 1.7 [1.5-2.0]*** | 3·4 [2·5-4.8]*** | 2·2 [1·7-2·9]*** | |
| aCurrently used marijuana (No) | |||||
| Yes | Male | 5.8 [1.3-26.5]* | 2.2 [0.9-5.7] | 3.6 [2.8-4.8]*** | 1.9 [1·3-2·7]** |
| Female | 6.2 [1.9-19.9]* | 1.9 [0.8-4.5] | 7.7 [5.8-10.1]*** | 2.4 [1.6-3.7]*** | |
| aEver used amphetamine (No) | |||||
| Yes | Male | 6·8 [1·0-45.2]* | 3.8 [0.8-19.0] | 2.8 [2.2-3.6]*** | 1·3 [1·0-1.8] |
| Female | 7.2 [1.9-26.7]* | 4.1 [1.4-12.6]* | 5.6 [4.2-7.6]*** | 1·8 [1·1-2.9]* | |
| aParental connectedness (No) | |||||
| Yes | Male | 0·8 [0·7-0·9]** | 0·9 [0·8-1.0] | 0·9 [0·8-1.0] | 1.0 [0.9-1.1] |
| Female | 0·7 [0·6-0·8]*** | 0·7 [0·7-0·8]*** | 0·6 [0·5-0·8]*** | 0.7 [0.6-0.9]** | |
| Age | Male | 1·3 [1·3-1·4]*** | 1.4 [1.3-1.4]*** | 1·4 [1·3-1·5]*** | 1·4 [1·3-1·5]*** |
| Female | 1·4 [1·3-1·4]*** | 1.4 [1.4-1.5]*** | 1·3 [1·2-1·4]*** | 1·4 [1·2-1·5]*** | |
Note: OR odds ratio, aOR adjusted odds ratio
*P < 0·05, **P < 0·01, ***P < 0·001
aAdjusted for all variables in the model, sex with ≥2 persons = sexual intercourse with multiple persons