Multivariate associations between HSV-1 and selected variables
| Variable | Odds ratios | 95% CI | p Value | |
|---|---|---|---|---|
| Odds ratios (OR) compare the odds of HSV-1 infection by variable category, so OR >1 means that HSV-1 is more common in a given category than in the referent category. ND, not determined because of insufficient numbers. | ||||
| Men | ||||
| No rectal lesions | Referent | |||
| Rectal lesions | 8.41 | (2.38 to 29.73) | <0.01 | |
| Women | ||||
| No rectal lesions | Referent | |||
| Rectal lesions | 1.08 | (0.28 to 4.09) | 0.92 | |
| Persons without rectal lesions | ||||
| Men | Referent | |||
| Women | 2.41 | (1.07 to 5.39) | 0.03 | |
| People with rectal lesions | ||||
| Men | Referent | |||
| Women | 0.31 | (0.06 to 1.68) | 0.09 | |
| Race | ||||
| White | Referent | |||
| Black | 0.16 | (0.06 to 0.42) | <0.01 | |
| Other | 0.77 | (0.28 to 2.14) | 0.61 | |
| Sex partners in previous 12 months | ||||
| None | Referent | |||
| Opposite sex only | 2.35 | (0.62 to 8.97) | 0.21 | |
| Same sex only | 2.02 | (0.51 to 8.00) | 0.31 | |
| Both | ND | |||
| Number of episodes in previous 12 months | ||||
| 0–2 | Referent | |||
| 3–4 | 0.33 | (0.16 to 0.67) | <0.01 | |
| 5+ | 0.09 | (0.03 to 0.33) | 0.02 | |