Table 3. Odds ratios of preterm birth and small-for-gestational-age among infected vs non-infected women.
| Symptoms | Infection trimester | Preterm birth OR (95% CI) | Small-for-gestational-age OR (95% CI) | ||
|---|---|---|---|---|---|
| Crude | Adjusted | Crude | Adjusted | ||
| All | All (PTB N = 2307; SGA N = 2753) | 1.25 (0.92–1.71) | 1.28 (0.93–1.76) | 0.95 (0.76–1.20) | 0.98 (0.78–1.24) |
| 1st trimester (N = 478) | 0.93 (0.45–1.91) | 0.97 (0.47–2.01) | 0.95 (0.52–1.71) | 0.98 (0.54–1.78) | |
| 2nd trimester (N = 943) | 0.69 (0.42–1.13) | 0.71 (0.43–1.17) | 1.10 (0.73–1.65) | 1.15 (0.76–1.74) | |
| 3rd trimester (PTB N = 886; SGA N = 1332) | 2.65 (1.57–4.48) | 2.76 (1.63–4.67) | 0.87 (0.64–1.20) | 0.91 (0.66–1.25) | |
| Symptomatic | All (PTB N = 1063; SGA N = 1190) | 1.51 (0.97–2.35) | 1.54 (0.98–2.41) | 0.89 (0.63–1.27) | 0.93 (0.65–1.33) |
| 1st trimester (N = 84) | 0.76 (0.12–4.89) | 0.62 (0.07–5.36) | 1.78 (0.28–11.43) | 2.73 (0.34–22.02) | |
| 2nd trimester (N = 484) | 0.69 (0.36–1.32) | 0.70 (0.36–1.35) | 0.83 (0.48–1.43) | 0.85 (0.49–1.47) | |
| 3rd trimester (PTB N = 495; SGA N = 622) | 4.22 (1.92–9.25) | 4.28 (1.94–9.41) | 0.90 (0.56–1.46) | 0.95 (0.58–1.54) | |
Adjusted for age, sector, social economic status, cardiovascular disease, cancer, hypertension, diabetes, previous abortion and null parity.