Risk factors for recent or untreated syphilis*
| Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|
| Risk factor | Positive/total | % positive | Crude OR (95% CI)† | Positive/total | % positive | Crude OR (95% CI) | Adjusted OR (95% CI)‡ | |
| *Only those variables that were significant (p<0.05) for one or other of the sexes are shown. | ||||||||
| †Because of the lower number of infections among men it was only possible to fit a logistic regression model for women. | ||||||||
| ‡Adjusted for the other two variables that were included in the final model. | ||||||||
| §Participants who had had sex. | ||||||||
| Age | ||||||||
| 15–19 | 0/198 | 0 | 2/169 | 1.2 | 1 | 1 | ||
| 20–24 | 2/119 | 1.7 | 1 | 8/163 | 4.9 | 4.31 (0.9, 20.6) | 2.17 (0.36, 1.03) | |
| 25–29 | 2/76 | 2.6 | 1.60 (0.22, 11.6) | 16/164 | 9.8 | 9.21 (2.08, 40.74) | 3.77 (0.65, 21.82) | |
| 30–34 | 2/64 | 3.1 | 1.89 (0.26, 13.72) | 16/124 | 12.9 | 12.97 (2.92, 57.57) | 5.76 (0.98, 33.85) | |
| Marital status | ||||||||
| Monogamous | } | 17/205 | 8.3 | 1 | 1 | |||
| Polygamous | } | 4/83 | 4.8 | 1 | 24/248 | 9.7 | 1.18 (0.62, 2.27) | 1.12 (0.57, 2.2) |
| Single | 2/371 | 0.5 | 0.11 (0.02, 0.59) | 1/142 | 0.7 | 0.08 (0.1, 0.60) | 0 | |
| Div/wid | 0/2 | 0 | 0 | 0/17 | 0 | 0 | 0.26 (0.02, 2.84) | |
| Ethnic group | ||||||||
| Jola | 4/313 | 1.3 | 1 | 33/370 | 8.9 | 1 | 1 | |
| Mandinka | 0/71 | 0 | 0 | 2/100 | 2.0 | 0.23 (0.05, 0.98) | 0.28 (0.06, 1.19) | |
| Fula | 1/31 | 3.2 | 2.57 (0.28, 23.78) | 8/50 | 16.0 | 2.16 (0.93, 5.02) | 2.36 (0.97, 5.72) | |
| Other | 1/42 | 2.4 | 1.88 (0.21, 17.27) | 2/92 | 2.2 | 0.25 (0.06, 1.07) | 0.32 (0.07, 1.4) | |
| Education | ||||||||
| None | 1/58 | 1.7 | 1 | 33/349 | 9.4 | 1 | ||
| Islamic | 5/167 | 3.0 | 1.76 (0.2, 15.4) | 4/124 | 3.2 | 0.32 (0.11, 0.92) | ||
| Formal | 0/231 | 0 | 0 | 5/139 | 3.6 | 0.36 (0.14, 0.94) | ||
| Still in school | ||||||||
| No | 6/293 | 2.0 | 1 | 41/531 | 7.7 | 1 | ||
| Yes | 0/164 | 0 | 0 | 1/81 | 1.2 | 0.15 (0.02, 1.1) | ||
| Fathered pregnancy (M), or been pregnant (F) | ||||||||
| No | 2/374 | 0.5 | 1 | 5/135 | 3.7 | 1 | ||
| Yes | 4/82 | 4.9 | 9.54 (1.72, 53.00) | 36/445 | 8.1 | 2.29 (0.88, 5.95) | ||
| Sex in past month§ | ||||||||
| No | 2/200 | 1 | 1 | 8/168 | 4.8 | 1 | ||
| Yes | 3/80 | 3.75 | 3.86 (0.96. 33.69) | 34/334 | 10.2 | 2.27 (0.98, 5.45) | ||