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. 2020 Nov 30;19:438. doi: 10.1186/s12936-020-03513-0

Table 2.

Risk factors of malaria infections among pregnant women from Kilwa and Lindi Districts

Item N (%) Crude OR p value aOR (95% CI) p value
Fever No 1718 (93.1) Ref. Ref.
Yes 127 (6.9) 5.5(4.6–6.4)  < 0.001 5.9 (4.9–6.9)  < 0.001
Trimester First 408 (22.1) Ref. Ref.
Second 1338 (72.5%) − 0.05 (− 0.4–0.3) 0.737 0.8 (0.2–1.4) 0.013
Third 99(5.4) − 0.9 (− 1.7–− 0.1) 0.028 0.6 (− 08–2.1) 0.410
Gestational age, weeks Mean (95% CI) 18.3 (18.0–18.6) − 0.02 (0.04–0.003) 0.025 − 0.06 (− 0.1–0.02) 0.006
Malaria transmission (location) Low 826 (44.8) Ref. Ref.
Moderate 1019 (55.2) 2.09 P < 0.001 2.6 (2.0–3.1)  < 0.001

N number of pregnant women, OR odds ratio, aOR adjusted odds ratio, CI confidence interval. Adjustments were done for location of health centres, fever status and trimester