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Table 3 Factors associated with low birth weight in Medani Maternity Hospital, Central Sudan based on univariate or multivariate analysis

From: Submicroscopic Plasmodium falciparum malaria and low birth weight in an area of unstable malaria transmission in Central Sudan

  Univariate analysis Multivariate analysis
Variable OR 95% CI P OR 95% CI P
Age 0.94 0.8–0.9 0.024 0.96 0.8–1.0 0.412
Primigravidae 1.64 0.8–3.1 0.139 0.93 0.6–1.3 0.706
Residence 0.81 0.4–1.5 0.517 0.50 0.2–1.1 0.104
Educational level < secondary 1.79 0.7–4.1 0.169 2.41 0.7–7.5 0.130
Lack of antenatal care 1.47 0.7–2.7 0.217 1.17 0.4–2.9 0.723
Body mass index 1.06 0.9–1.1 0.240 1.09 0.9–1.2 0.185
Haemoglobin 1.28 0.9–1.7 0.084 1.31 0.9–1.8 0.145
Male gender 0.88 0.4–1.6 0.697 1.08 0.5–2.1 0.821
Placental malaria infections (histology) 1.33 0.6–2.5 0.400 1.00 0.4–2.1 0.990
Submicroscopic malaria infections 5.14 1.9–13.3 0.001 6.89 2.2–20.8 0.001
All malaria infections 2.63 1.4–4.9 0.002 2.45 1.2–4.9 0.012