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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)