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Table 1 Baseline characteristics

From: Sulfadoxine-pyrimethamine parasitological efficacy against Plasmodium falciparum among pregnant women and molecular markers of resistance in Zambia: an observational cohort study

Characteristic

Total (N = 343)

Paucigravidae (N = 193)

Multigravidae (N = 150)

P-value*

Age, median (interquartile range)

22 (19–28)

19 (18–21)

28 (25–32)

< 0.001

Age ≤ 20 years, %

43.7%

70%

10%

< 0.001

Used a bed net last night, %

34.1%

27.5%

42.7%

0.003

Maternal weight in kilograms, mean (SD)

52.6 (8.7)

50.8 (7.0)

55.0 (10.0)

< 0.001

Education in years, mean (SD)

7.6 (7.6)

8.2(7.1)

6.8 (8.2)

0.079

Gestational age in weeks at enrolment, mean (SD)

21.6 (4.6)

20.9 (4.3)

22.6 (4.6)

0.001

Parasite density, geometric mean (95% CI)

1082 (962–1217)

1310 (1120–1532)

849 (713–1010)

0.001

  1. Asymptomatic pregnant women of Nchelenge District, Zambia, enrolled in a modified in vivo efficacy study of sulphadoxine-pyrimethamine stratified by gravidity
  2. SD = standard deviation
  3. *P-value comparing paucigravidae and multigravidae, Chi-squared for proportions, t-test for means, Mann–Whitney for medians