Table 1 Participant characteristics, malaria parameters, iron markers and delivery outcomes
Variable | Mean [SD], range; or median {IQR}, range; or N (%) |
|---|---|
Participant characteristics at enrolment1 | |
 Maternal age, years (N = 268) | 24 [17], 16–49 |
 Mid upper arm circumference, cm (N = 270) | 22.4 [1.8], 12–30 |
 Primigravidae | 106/279 (38) |
 Estimated gestational age, weeks (N = 276) | 25.3 [4.2], 7–36 |
 Education |  |
  None or primary | 154/275 (56) |
  Secondary+ | 121/275 (44) |
 Current smoker (yes) | 56/278 (20) |
 Used bed net last night (yes) | 200/264 (76) |
 Clinical history of fever, chills or headache in past 7 days (yes) | 67/276 (24) |
 Palpable spleen (yes) | 51/262 (19) |
Malariometrics and iron status at enrolment | |
 Plasmodium spp. infection detectable by PCR | 185/279 (66) |
 Plasmodium spp. infection2 | 98/279 (35) |
  P. falciparum | 93/279 (33) |
  P. vivax | 9/279 (3) |
 Haemoglobin, g/dL (N = 279) | 8.5 [1.4], 5.3–12.8 |
 Ferritin, μg/L (N = 279) | 8.2 {4.6–17.5}, 2.4–121.3 |
 Iron deficient (ferritin < 15 μg/L) | 199/279 (71) |
 CRP, mg/L (N = 258)3 | 5.15 {1.80–11.72}, 0.18–255.65 |
 High CRP (> 10 mg/L) | 90/279 (32) |
Malariometric and birth outcomes at delivery | |
 Placental Plasmodium spp. infection2 | 39/223 (17) |
  P. falciparum | 34/223 (15) |
  P. vivax | 6/223 (3) |
 Plasmodium spp. infection2 | 37/274 (13) |
  P. falciparum | 31/274 (11) |
  P. vivax | 6/274 (2) |
 Haemoglobin, g/dL (N = 270) | 9.2 [1.7], 4.7–14.2 |
 Birth weight, grams (N = 279) | 2857 [452], 1400–4500 |
 Low birth weight (< 2500 g) | 47/279 (17) |
 Gestational age at delivery, weeks (N = 279) | 38 {37–40}, 28–42 |
 Preterm birth (<37 weeks gestation) | 62/279 (22) |