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Table 1 Characteristic of study participants at inclusion by timing of first infection

From: An analysis of timing and frequency of malaria infection during pregnancy in relation to the risk of low birth weight, anaemia and perinatal mortality in Burkina Faso

Characteristics

No infection

(n = 816)

Infection in first trimester

(n = 31)

Infection in second trimester

(n = 69)

Infection in third trimester

(n = 118)

Study location

    

   Karaba village (n, %)

219 (26.84)

14 (45.16)

20(33.90)

40(33.94)

   Koho village (n, %)

597 (73.16)

17 (54,84)

49(66.10)

78(66.06)

Education

    

   none (n, %)

728 (89.21)

22 (70.97)

62(89.86)

105 (88.99)

   primary (n, %)

69 (8.46)

8 (25.81)

7(10.14)

10 (8.47)

   secondary and higher (n, %)

19(2.33)

1 (3.22)

0(0)

3(2.54)

Parity

    

   primigravidae (n, %)

113 (13.85)

18 (58.06)

35 (50.72)

44 (37.29)

   secundigravidae (n, %)

158 (19.36)

5 (16.13)

15 (21.74)

38 (32.20)

   multigravidae (n, %)

545 (66.79)

8 (25.81)

19 (27.54)

36 (30.51)

Age

    

   mean (years) (95% CI)

25.27(24.84-25.69)

20.88 (18.96-22.80)

21.27 (20.06-22.48)

21.50 (20.63-22.37)

Weight

    

   mean (kg) (95% CI]

55.67 (55.17-56.15)

55.45 (53.20-57.71)

55.24 (53.70-56.79)

55.29 (54.08-56.50)

Height

162.815

163.39

162.58

161.78

   mean (cm) (95% CI]

(162.42-163.21)

(161.72-165.08)

(161.15-164.00)

(160.71-162.85)

BMI at enrolment

20.98

20.77

20.88

21.1

   mean (95% CI]

(20.83-21.12)

(19.97-21.56)

(20.41-21.34)

(20.74-21.45)