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Table 2 Participant characteristics

From: Placental infections with histologically confirmed Plasmodium falciparum are associated with adverse birth outcomes in India: a cross-sectional study

Parameters

N = 506

Age in years, mean (SD)

23.8 (3.4)

Age categories

 

<20 yr, n (%)

10 (1.9)

20-29 yr, n (%)

454 (89.9)

≥30 yr, n (%)

41 (8.1)

Residence

 

Urban, n (%)

148 (29.2)

Rural, n (%)

359 (70.8)

Education

 

No schooling, n (%)

161 (31.8)

Primary, n (%)

136 (26.8)

Secondary, n (%)

173 (34.2)

Higher, n (%)

36 (7.1)

SES 1 rank (quintiles) n (%)

 

1 – Poorest

117 (23.1)

2

107 (21.2)

3

112 (22.1)

4

85 (16.8)

5

85 (16.8)

Gravidity

 

Primigravidae, n (%)

216 (42.7)

Secundigravidae, n (%)

162 (32.0)

Gravidae-3, n (%)

73 (14.4)

Gravidae-4, n (%)

34 (6.7)

Multigravidae (≥5)2 n (%)

21 (4.2)

Used bednet previous night, n (%)

89 (17.8)

ITN (any), n (%)

1 (0.2)

Used any drug to prevent malaria, n (%)

4 (0.8)

Reported using haematinics, n (%)

427 (84.7)

Morbidity and Outcomes

 

Reported fever previous week, n (%)

82 (16.2)

Used antimalarial for fever, n (%)

10 (1.9)

Maternal fever at delivery3, n (%)

35 (6.9)

Birth weight± (g), mean (SD)

2621 (450)

Birth weight <2500 g, n (%)

176 (37.1)

Baby’s gestational age in weeks4, mean, (SD)

37.2 (1.3)

Preterm babies <37 weeks), n (%)

95 (20.0)

Stillbirths≠, n (%)

22 (4.4)

Stillbirths in uninfected women, n (%)

18 (3.6)

Maternal Hb (g/dL), mean (SD)

10.5 (2.2)

  1. 1SES = socioeconomic status (based on underlying survey population); 2= pregnancy number.
  2. 3= Fever = axillary temperature ≥ 37.5°C; 4= assessed by Ballard score; ±Birth weight and gestational age data was available for 474 babies out of 482 singleton live births; data for 2 babies are missing out of the 506 samples; ≠Stillbirth denominator = 504.