Risk factors associated with prevalence of Trichomonas vaginalis infection in 919 men who participated in the internet screening program*
| Characteristics | Categories | OR (95% CI) |
|---|---|---|
| Age (years) | <20 | 1.00 |
| 20–24 | 4.39 (0.99 to 19.34) | |
| 25–29 | 3.31 (0.67 to 16.28) | |
| 30–39 | 6.63 (1.45 to 30.35) | |
| ≥40 | 5.31 (1.06 to 26.46) | |
| Race | African-American | 2.67 (1.38 to 5.12) |
| Other | 1.00 | |
| Residential state | Illinois | 12.02 (1.14 to 127.11) |
| Maryland and DC | 3.71 (0.39 to 35.48) | |
| Colorado, West Virginia | 1.00 | |
| Age when first having sex (years) | <15 | 1.82 (1.00 to 3.33) |
| ≥15 | 1.00 | |
| Urogenital symptom (penis discharge) | Yes | 2.25 (1.03 to 4.89) |
| No | 1.00 |
*Multivariate logistic regression after performing multiple imputation procedure for missing data.