Table 1 Baseline characteristics of pregnant women attending ANC in Bobo-Dioulasso

Mean age (year),

24.7 ± 5.7

24.5 ± 5.7

24.2 ± 5.4

25.4 ± 5.8

0.09^a

± SD

< 20

108 (18.6)

41 (21.2)

39 (20.2)

28 (14.5)

0.2^p

≥ 20

471 (81.4)

152 (78.8)

154 (79.8)

165 (85.5)

Education

0.5^p

No formal schooling

353 (61.1)

113 (58.5)

124 (64.6)

116 (60.1)

Formal schooling

225 (38.9)

80 (41.5)

68 (35.4)

77 (39.9)

Parity

0.01^p

Primigravidae

170 (29.4)

72 (37.3)

61 (31.6)

37 (19.1)

Secundigravidae

150 (25.9)

43 (22.3)

48 (24.9)

59 (37.6)

Multigravidae

259 (44.7)

78 (40.4)

84 (43.5)

97 (50.3)

ITN Use or ownership

271 (46.9)

90 (46.9)

91 (47.2)

90 (46.6)

0.9^p

ANC visits

Median, quartiles

2 (0-2)

-

1 (1-2)

2 (1-3)

<0.001^w

No prior ANC visit

287 (49.6)

190 (98.5)

88 (45.6)

9 (4.7)

1

125 (21.6)

3 (1.5)

77 (39.9)

45 (23.3)

<0.001^f

2

108 (18.6)

0 (0.0)

24 (12.4)

84 (43.5)

≥ 3

59 (10.2)

0 (0.0)

4 (2.1)

55 (28.5)

Doses of IPTp-SP

0

352 (60.8)

193 (100.0)

139 (72.0)

20 (10.4)

<0.001^f

1

124 (21.4)

0 (0.0)

46 (23.8)

78 (40.4)

≥ 2

103 (17.8)

0 (0.0)

8 (4.2)

95 (49.2)

Peripheral parasitaemia

105 (18.1)

46 (23.8)

37 (19.2)

22 (11.4)

0.006^p

GMPD/μL,

2254

2300

1886

2913

0.3^k

[95% IC]

[1755-2894]

[1600-3008]

[1253-2839]

[1475-5757]

Mean haemoglobin (g/dL), ± SD

10.5 ± 1.7

11.0 ± 1.7

10.1 ± 1.6

10.3 ± 1.7

<0.001^a

Anaemia (% Hb <11 g/dL)

346 (60.0)

90 (46.9)

132 (68.4)

124 (64.6)

<0.001^p

Moderate to severe anaemia (% Hb <8 g/dL)

37 (6.4)

5 (2.6)

17 (8.8)

15 (7.8)

0.03^p