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Table 3 Factors associated with receipt of two or more doses of intermittent preventive treatment in pregnancy (IPTp) with sulfadoxine–pyrimethamine (SP) by women aged 15–49 years who completed a pregnancy in the past 2 years in eight districts, Malawi, 2009 (N = 3213)

From: The use of intermittent preventive treatment in pregnancy and insecticide-treated bed nets for malaria prevention by women of child-bearing age in eight districts in Malawi

Variable Unadjusted odds ratio (95 % CI) p value Adjusted odds ratio (95 % CI) p value
District
 Blantyre Referent Referent Referent Referent
 Chiradzulu 0.85 (0.55–1.3) 0.48 1.1 (0.67–1.7) 0.75
 Karonga 0.95 (0.60–1.5) 0.83 1.0 (0.61–1.6) 0.98
 Lilongwe 1.4 (0.91–2.3) 0.12 2.0 (1.2–3.1) 0.004
 Mwanza 1.0 (0.69–1.6) 0.84 1.4 (0.88–2.2) 0.16
 Nkhotakhota 0.60 (0.39–0.93) 0.02 0.78 (0.48–1.3) 0.31
 Phalombe 1.8 (1.1–3.0) 0.02 2.5 (1.5–4.4) <0.001
 Rumphi 2.3 (1.3–3.9) 0.002 2.5 (1.5–4.3) <0.001
Age category
 15–19 years old 1.1 (0.67–1.8) 0.70 1.1 (0.64–1.8) 0.82
 20–24 years old 1.1 (0.73–1.6) 0.68 1.0 (0.65–1.5) 0.91
 25–29 years old 1.6 (1.0–2.4) 0.04 1.3 (0.89–2.0) 0.16
 30–34 years old 1.4 (0.93–2.0) 0.11 1.3 (0.85–1.9) 0.26
 35–49 years old Referent Referent Referent Referent
Education
 None Referent Referent Referent Referent
 Some primary school 1.3 (0.92–1.9) 0.13 1.4 (1.0–2.0) 0.07
 Completed primary school 1.4 (0.88–2.4) 0.15 1.6 (1.0–2.6) 0.05
 Some secondary school 1.7 (0.99–2.9) 0.05 1.9 (1.1–3.3) 0.03
 Completed secondary school or above 4.2 (2.1–8.5) <0.001 4.1 (1.9–8.7) <0.001
Socioeconomic status by asset index
 Poorest 0.50 (0.34–0.74) <0.001 0.68 (0.48–0.97) 0.03
 Less poor 0.59 (0.40–0.88) 0.01 0.81 (0.55–1.2) 0.29
 Middle 0.59 (0.40–0.86) 0.006 0.74 (0.52–1.1) 0.11
 More rich 0.72 (0.48–1.1) 0.11 0.90 (0.61–1.3) 0.57
 Least poor Referent Referent Referent Referent
Used insecticide treated bed net previous night 1.2 (0.97–1.6) 0.08 1.2 (0.97–1.6) 0.09
Used untreated bed net previous night 1.6 (0.88–2.8) 0.13 1.4 (0.85–2.4) 0.18
  1. 95 % CI 95 % confidence interval