Table 4.
P falciparum malaria in pregnant women
| N = 3129* | Univariate OR† | (95%CI) | Multivariate OR‡ | (95%CI) | |
| Age category (years) | <20 | 1.00 | -- | 1.00 | -- |
| 20–34 | 0.58 | (0.49–0.70) | 0.70 | (0.57–0.86) | |
| ≥35 | 0.42 | (0.30–0.58) | 0.58 | (0.38–0.87) | |
| Parity | nulliparous | 1.00 | -- | 1.00 | -- |
| 1 to 3 | 0.62 | (0.50–0.78) | 0.75 | (0.58–0.96) | |
| 4 or > | 0.43 | (0.33–0.56) | 0.65 | (0.47–0.91) | |
| Season§ | Dry season | 1.00 | -- | 1.00 | -- |
| Wet season | 1.67 | (1.42–1.97) | 1.63 | (1.37–1.93) | |
| Trimester ¶ | 1st | 1.00 | -- | 1.00 | -- |
| 2nd | 1.91 | (1.49–2.43) | 1.87 | (1.45–2.42) | |
| 3rd | 1.80 | (1.44–2.24) | 1.82 | (1.44–2.28) | |
| Previous malaria episodes | 1.44 | (1.11–1.85) | 1.37 | (1.05–1.79) |
* Number of first or only visits made by pregnant women with criteria for blood collection and complete laboratory results
† OR = Odds Ratio
‡ Global model considering fever or history of fever
§ Wet season: November to April; Dry season: May to October
¶ 1st trimester: 0–12 weeks; 2nd trimester: 13–24 weeks; 3rd trimester: 25–40 weeks