Multivariable logistic regression for factors associated with the presence of any sexually transmitted infections in 403 pregnant adolescent girls
| Variable | Univariable analysis OR (95% CI) | p Value | Multivariable analysis OR (95% CI) | p Value |
|---|---|---|---|---|
| No formal education | 1.9 (0.9 to 3.9) | 0.092 | 1.6 (0.7 to 3.6) | 0.30 |
| Characterises relationship as long term | 1.6 (1.0 to 2.5) | 0.047 | 2.6 (1.4 to 4.9) | 0.004 |
| Age difference between the girl and the partner | 1.1 (1.0 to 1.1) | 0.019 | 1.1 (1.0 to 1.1) | 0.03 |
| Age at first sexual contact | 0.9 (0.8 to 0.99) | 0.034 | 0.9 (0.8 to 1.1) | 0.20 |
| Number of sexual partners | 1.2 (1.0 to 1.5) | 0.016 | 1.1 (0.9 to 1.4) | 0.32 |
| History of prior pregnancy | 1.8 (1.2 to 2.7) | 0.005 | 1.6 (1.0 to 2.6) | 0.04 |