Table 2.
Association between the length of gap between relationships and sexually transmitted infections in St. Petersburg, Russia, 2006–2008 (N = 634)
| Characteristic | Crude OR (95% CI) | Adjusted OR (95% CI)a |
|---|---|---|
| Age (25 years or less) | 1.52 (1.10–2.10)* | – |
| Male | 2.47 (1.69–3.60)*** | 2.67 (1.76–4.06)*** |
| Currently married | 0.54 (0.39–0.75)** | 0.63 (0.43–0.93)* |
| Currently employed | 0.63 (0.43–0.93)* | – |
| Education (completed university) | 0.71 (0.52–0.98)* | – |
| Weekly alcohol consumption | 1.51 (1.09–2.09)* | – |
| Ever injected drugs | 2.11 (1.05–4.21)* | 2.36 (1.09–5.11)* |
| Age at time of first sexual intercourse (< 16 years) | 0.99 (0.69–1.42) | – |
| Ever traded sex | 0.71 (0.23–2.19) | – |
| Homosexual intercourse | 0.83 (0.45–1.54) | – |
| Had unprotected sex in the past month | 0.89 (0.58–1.37) | – |
| Lifetime number of sexual partners (11 or more) | 1.30 (0.92–1.83) | – |
| Gap | ||
| 366 days or more | Reference | Reference |
| 91–365 days | 2.30 (1.03–5.14)* | 1.89 (0.82–4.38) |
| 1–90 days | 3.05 (1.87–4.96)*** | 2.34 (1.38–3.95)** |
| Overlapping | 1.80 (1.18–2.73)** | 1.48 (0.95–2.29) |
a
Adjusted for significant co-variables
*
P-value < 0.05,
**
P-value < 0.01,
***
P-value < 0.001