Risk factors for active syphilis: odds ratios for selected sociodemographic factors, by sex (first case-control study)
| Males | Females | |||||||
|---|---|---|---|---|---|---|---|---|
| Variables | Case | Control | Adjusted OR*(95% CI) | Case | Control | AdjustedOR* (95% CI) | ||
| *Odds ratio adjusted for age and community of residence. | ||||||||
| †Significance calculated with test for trend. | ||||||||
| ‡Only applicable to those currently married. | ||||||||
| Number participated | 226 | 493 | 236 | 555 | ||||
| Age (years) | ||||||||
| 15–19 | 10 | 109 | 1 | p<0.001 | 27 | 96 | 1 | p=0.007 |
| 20–24 | 39 | 78 | 5.67 (2.63–12.2) | 59 | 104 | 2.23 (1.29–3.84) | ||
| 25–34 | 94 | 137 | 7.68 (3.78–15.6) | 81 | 158 | 1.83 (1.10–3.06) | ||
| 35–44 | 48 | 75 | 6.80 (3.20–14.4) | 41 | 106 | 1.34 (0.76–2.36) | ||
| 45–54 | 35 | 94 | 4.30 (1.99–9.26) | 28 | 91 | 1.04 (0.57–1.92) | ||
| Education† | ||||||||
| None/adult | 45 | 78 | 1 | p=0.10 | 128 | 241 | 1 | p<0.001 |
| Primary <4 years | 44 | 79 | 1.19 (0.69–2.08) | 24 | 50 | 0.70 (0.40–1.22) | ||
| Primary 4+ years | 137 | 336 | 0.74 (0.46–1.18) | 84 | 264 | 0.47 (0.32–0.69) | ||
| Religion | ||||||||
| Catholic | 79 | 192 | 1 | p=0.04 | 97 | 222 | 1 | p=0.11 |
| Moslem | 8 | 21 | 0.87 (0.34–2.15) | 5 | 27 | 0.44 (0.16–1.22) | ||
| Protestant | 48 | 133 | 0.82 (0.52–1.30) | 57 | 151 | 0.83 (0.55–1.24) | ||
| Other | 91 | 147 | 1.55 (1.03–2.33) | 77 | 154 | 1.24 (0.83–1.86) | ||
| Current marital status: | ||||||||
| Married, never divorced/widowed | 107 | 229 | 1 | p=0.035 | 119 | 333 | 1 | p<0.001 |
| Married, previous divorce/widow | 80 | 128 | 1.51 (1.03–2.22) | 68 | 122 | 1.85 (1.25–2.73) | ||
| Currently widowed/divorced | 17 | 22 | 1.61 (0.79–3.29) | 37 | 45 | 2.78 (1.65–4.69) | ||
| Never married | 22 | 113 | 0.66 (0.36–1.21) | 12 | 54 | 0.73 (0.34–1.57) | ||
| Age at first marriage (years)†‡ | ||||||||
| Under 18 | 21 | 31 | 1 | p=0.16 | 116 | 206 | 1 | p=0.01 |
| 18–20 | 71 | 117 | 0.85 (0.43–1.68) | 57 | 199 | 0.45 (0.30–0.67) | ||
| 21 or more | 99 | 189 | 0.68 (0.35–1.32) | 19 | 37 | 0.85 (0.45–1.58) | ||
| Spouse widowed or divorced‡ | ||||||||
| No | 111 | 268 | 1 | p<0.001 | 120 | 312 | 1 | p=0.3 |
| Yes | 76 | 89 | 2.15 (1.42–3.24) | 67 | 143 | 1.23 (0.85–1.79) | ||