Table 1.
Epidemiological characteristics of pregnant women (n = 611) treated at a public health unit on the outskirts of the city of Belém, Brazilian state of Pará, between 2019 and 2020.
| Variables | Total n = 611 (%) | Syphilis + n = 32 (%) | Odds Ratio | CI 95% ‡ | p-Value (OR) † |
|---|---|---|---|---|---|
| Age (years) | |||||
| ≤23 | 268 (43.8) | 20 (7.4) | 2.22 | 1.07–4.64 | 0.05 |
| >23 | 343 (56.2) | 12 (3.5) | |||
| Sexual activity beginning (years) | |||||
| ≤15 | 29 (4.7) | 7 (24.1) | 7.0 | 0.79–61.74 | 0.11 |
| >15 | 47 (3.7) | 1 (4.3) | |||
| Not answered | 535 (87.6) | 24 (4.4) | |||
| Abortions | |||||
| Yes | 118 (19.3) | 3 (2.5) | 0.42 | 0.13–1.39 | 0.21 |
| No | 493 (80.7) | 29 (5.8) | |||
| Pregnancies | |||||
| 1 | 227 (37.2) | 14 (6.1) | 1.34 | 0.65–2.74 | 0.54 |
| >1 | 384 (62.8) | 18 (4.6) | |||
| Pre-eclampsia | |||||
| Yes | 28 (4.6) | 4 (14.2) | 3.30 | 1.07–10.17 | 0.07 |
| No | 583 (95.4) | 28 (4.8) | |||
VDRL with reagent result = Syphilis positive; ‡ Confidence Interval 95%; † Odds Ratio.