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Table 3 Multivariable logistic regression models to determine factors associated with the use of higher doses of sulfadoxine–pyrimethamine (SP) for malaria prophylaxis in pregnancy (n = 7121)

From: Predictors of the use of interventions to prevent malaria in pregnancy in Cameroon

Characteristic 0 vs 1+ doses of SP 0–1 vs 2+ doses of SP 0–2 vs 3+ doses of SP
Adjusted OR (95% CI) Adjusted OR (95% CI) Adjusted OR (95% CI)
Age
 Per 10 years 1 (0.9–1.2) 1.1 (0.9–1.2) 1.1 (0.9–1.3)
Education
 None Ref Ref Ref
 Primary 1.3 (1.04–1.7) 1.1 (0.9–1.3) 1.1 (0.8–1.5)
 Secondary 1.3 (0.9–1.8) 1 (0.8–1.3) 1.4 (0.9–2)
Literacy
 No Ref Ref Ref
 Yes 1.3 (1.04–1.5) 1.3 (1.1–1.6) 1 (0.7–1.3)
Wealth quintile (lowest to highest)
 1st Ref Ref Ref
 2nd 1.1 (0.9–1.4) 1.1 (0.9–1.5) 0.8 (0.6–1.1)
 3rd 1.1 (0.8–1.3) 1.2 (0.9–1.5) 0.9 (0.7–1.3)
 4th 1 (0.8–1.4) 1.1 (0.8–1.5) 1 (0.7–1.4)
 5th 0.8 (0.6–1.1) 1.2 (0.9–1.5) 1.2 (0.8–1.7)
Religion
 Muslim Ref Ref Ref
 Christian 0.8 (0.6–1.1) 0.9 (0.7–1.1) 0.9 (0.7–1.2)
 Other/none 0.9 (0.7–1.3) 0.8 (0.6–1.1) 0.9 (0.6–1.4)
Parity
 1–2 Ref Ref Ref
 3–4 0.9 (0.8–1.1) 0.8 (0.7–.98) 0.9 (0.7–1.1)
 5+ 0.8 (0.7–1) 0.7 (0.6–0.9) 0.8 (0.6–1.1)
# Children under five at home
 0 Ref Ref Ref
 1–2 1 (0.8–1.3) 0.9 (0.7–1.2) 0.8 (0.6–1.1)
 3+ 1.1 (0.9–1.5) 1 (0.7–1.3) 0.9 (0.6–1.2)
Relationship status
 Married Ref Ref Ref
 Living with partner 0.6 (0.5–0.7) 0.7 (0.6–0.8) 0.7 (0.6–0.9)
 Widowed, divorced or separated 0.8 (0.6–0.96) 0.9 (0.7–1.1) 1 (0.8–1.4)
 Never in union 0.7 (0.5–0.8) 0.6 (0.5–0.8) 0.7 (0.5–0.9)
Transportation
 No Ref Ref Ref
 Yes 1 (0.8–1.1) 1 (0.9–1.2) 1 (0.9–1.2)
Current contraception
 None Ref Ref Ref
 Traditional 1.2 (0.9–1.4) 1 (0.8–1.2) 1.2 (0.9–1.5)
 Modern 1 (0.8–1.2) 1 (0.8–1.2) 1 (0.7–1.3)
Visited health facility in past year
 No Ref Ref Ref
 Yes 1.2 (1.05–1.4) 1 (0.8–1.1) 0.9 (0.7–1.1)
Number of antenatal clinic visits
 0 Ref Ref Ref
 1–2 19.4 (11–34.4) 10.2 (5.3–19.5) 3.5 (1.4–8.5)
 3 30.5 (17.8–52.4) 24.8 (12.9–47.8) 18.9 (8.8–40.3)
 4+ 37.4 (22.1–63.2) 33.1 (17.8–61.8) 25.4 (12.3–52.5)
Delivery location
 Home Ref Ref Ref
 Facility 1 (0.9–1.3) 1 (0.8–1.2) 0.9 (0.7–1.2)
  1. Multivariable logistic regression models adjusted for weighting, clustering and stratification. All of the variables in the table were included in the model
  2. Ref referent level, SP sulfadoxine–pyrimethamine, OR odds ratio