Bivariate associations between dichotomous predictor variables and a positive test result for Trichomonas vaginalis (n=442)
| % Positive | ||||
|---|---|---|---|---|
| Exposed to risk? | ||||
| Baseline predictor | Yes | No | RR* | 95% CI† |
| *Relative risk ratio. | ||||
| †Confidence interval. | ||||
| ‡Although the use of other substances (eg, heroin, cocaine, tranquillisers) was also assessed, the number of adolescents reporting use of these substances was far too low for meaningful analyses. | ||||
| Less parental monitoring | 29.5 | 18.8 | 1.57 | 1.09 to 2.25 |
| Less parent-adolescent communication | 25.7 | 25.0 | 1.03 | 0.75 to 1.42 |
| Typical sex partner is ≥5 years older | 42.9 | 23.5 | 1.82 | 1.23 to 2.70 |
| Sex with non-steady partners | 34.5 | 23.1 | 1.50 | 1.05 to 2.1 |
| Less favourable attitudes toward condom use | 24.1 | 26.0 | 0.93 | 0.67 to 1.28 |
| Greater barriers to condom use | 30.0 | 19.5 | 1.53 | 1.09 to 2.15 |
| Consumes ≥3 drinks when using alcohol‡ | 39.1 | 23.7 | 1.65 | 1.10 to 2.46 |
| Biologically confirmed marijuana use | 61.9 | 23.4 | 2.65 | 1.81 to 3.86 |
| Self reported history of gonorrhoea | 39.4 | 24.2 | 1.63 | 1.03 to 2.57 |
| Self reported history of chlamydia | 25.4 | 25.3 | 1.00 | 0.64 to 1.56 |
| Self reported history of trichomoniasis | 26.7 | 25.2 | 1.06 | 0.63 to 1.77 |
| Changed steady sex partners over 12 months | 27.5 | 25.2 | 1.09 | 0.75 to 1.58 |
| First sexual intercourse occurred ≤13 years of age | 26.0 | 25.0 | 1.04 | 0.71 to 1.53 |
| Has been pregnant | 24.0 | 27.0 | 0.89 | 0.62 to 1.29 |