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Table 4 Socio-demographic, obstetric and knowledge predictors of uptake of SP during pregnancy

From: Determinants of the uptake of intermittent preventive treatment of malaria in pregnancy with sulphadoxine pyrimethamine in Sabatia Sub County, Western Kenya

Predictors

Uptake of IPTp-SP

cOR, 95% CI

aOR, 95% CI

P-value

Optimal N = 296

Sub-optimal N = 76

n (%)

n (%)

Age category

 15–24 years

121 (40.9)

39 (51.3)

Reference

  

 25–34 years

142 (48.0)

31 (40.8)

1.4, 0.8–2.4

  

  ≥ 35 years

33 (11.1)

6 (7.9)

1.8, 0.7–4.6

  

Marital status

 Unmarried

62 (20.9)

25 (32.9)

Reference

  

 Married

234 (79.1)

51 (67.1)

1.8, 1.0–3.1

1.7, 0.9–3.1

0.09

Woman's Education level

 Primary

108 (36.5)

34 (44.8)

Reference

  

 Secondary

145 (49.0)

33 (43.4)

1.4, 0.8–2.4

  

 Tertiary

43 (14.5)

9 (11.8)

1.3, 0.6–2.9

  

Woman's Employment status

 Not employed

193 (65.2)

59 (77.6)

Reference

  

 Informal employment

82 (27.7)

13 (17.1)

1.8, 0.9–3.4

1.7, 0.9–3.3

0.85

 Formal employment

21 (7.1)

4 (5.3)

1.6, 0.5–4.9

1.4, 0.5–4.6

0.45

Religion

 Catholic

13 (4.4)

7 (9.2)

Reference

  

 Protestant

282 (95.3)

68 (89.5)

2.2, 0.8–5.7

2.5, 0.9–7.0

0.08

 Muslim

1 (0.3)

1 (1.3)

0.5, 0.1–10.0

1.3, 0.1–25.3

0.87

Ward of Residence

 Busali

68 (23.0)

17 (22.4)

Reference

  

 Wodanga

37 (12.5)

12 (15.8)

0.8, 0.3–1.8

  

 North Maragoli

24 (8.1)

7 (9.2)

0.9, 0.3–2.3

  

 Chavakali

52 (17.6)

12 (15.8)

1.1, 0.5–2.5

  

 Sabatia West

46 (15.5)

14 (18.4)

0.8, 0.3–1.7

  

 Lyaduywa Izava

69 (23.3)

14 (18.4)

1.2, 0.6–2.7

  

Residence

 Rural

224 (75.7)

63 (82.9)

Reference

  

 Urban

72 (24.3)

13 (17.1)

1.6, 0.8–3.1

1.60, 8–3.1

0.62

Gestation age at 1st ANC visit

  ≤ 16 weeks

179 (60.5)

18 (23.7)

Reference

  

  > 16 weeks

117 (39.5)

58 (76.3)

0.2, 0.1–0.4

0.4, 0.2–0.9

0.04a

Frequency of ANC visits

  < 4 visits

33 (11.2)

51 (67.1)

Reference

  

  ≥ 4 visits

263 (88.8)

25 (32.9)

17.1, 9.4–31.2

16.7, 7.9–35.3

 < 0.001a

Parity

 1 child

108 (36.5)

34 (44.7)

Reference

  

 2 children

66 (22.3)

16 (21.1)

1.2, 0.6–2.3

  

 3+ children

122 (41.2)

26 (34.2)

1.5, 0.8–2.6

  

Experience of SP side effects

 No

154 (52.0)

43 (56.6)

Reference

  

 Yes

142 (48.0)

31 (40.8)

1.3, 0.8–2.2

  

 Not applicable

0

2 (2.6)

N/A

  

Knowledge of MiP dangers

 Unknowledgeable

89 (30.1)

23 (30.3)

Reference

  

 Low knowledge

110 (37.2)

26 (34.2)

1.0, 0.6–1.9

0.7, 0.4–1.5

0.38

 Moderate knowledge

73 (24.6)

21 (27.6)

0.9, 0.5–1.8

0.6, 0.3–1.2

0.13

 Adequate knowledge

24 (8.1)

6 (7.9)

1.0, 0.4–2.8

0.5, 0.2–1.6

0.28

Knowledge of MiP prevention

 Unknowledgeable

4 (1.4)

1 (1.3)

Reference

  

 Low knowledge

168 (56.7)

48 (63.2)

0.9, 0.1–8.0

  

 Moderate knowledge

104 (35.1)

24 (31.6)

1.1, 0.1–10.1

  

 Adequate knowledge

20 (6.8)

3 (3.9)

1.2, 0.1–13.7

  

Knowledge of IPTp-SP benefits

 Poor

50 (16.9)

27 (35.5)

Reference

  

 Good

246 (83.1)

49 (64.5)

2.7, 1.5–4.6

2.4, 1.3–4.5

 < 0.001a

Knowledge of IPTp-SP start

 Poor

252 (85.1)

66 (86.8)

Reference

  

 Good

44 (14.9)

10 (13.2)

1.2, 0.6–2.5

  

Knowledge of optimal SP

 Poor

135 (45.6)

48 (63.2)

Reference

  

 Good

161 (53.4)

28 (36.8)

2.0, 1.2–3.3

1.9, 1.1–3.4

0.03a

  1. aStatistically significant result at 5% significance level. ANC: Antenatal care; CI: Confidence interval; cOR: Crude odds ratio; IPTp-SP: Intermittent preventive treatment of malaria in pregnancy with sulphadoxine pyrimethamine; MiP: Malaria in pregnancy; SP: Sulphadoxine pyrimethamine