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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