Table 1 Characteristics of 1089 Rwandan schoolchildren

No.

1089

Female (%, n/n)

54.1 (589)

Age (years; median, range)

8 (6–10)

Weight (kg; median, range)^a

21.8 (12.0–41.8)

Height (cm; median, range)^b

121.5 (99.5–154.0)

Weight-for-age Z-score (WAZ; median, range)^a

−1.05 (−4.77–2.02)

Underweight (WAZ < 2; %, n/n)

16.0 (173/1080)

Height-for-age Z-score (HAZ; median, range)^b

−1.06 (−4.99–3.14)

Stunting (HAZ < 2; %, n/n)

17.5 (189/1079)

MUAC (cm; mean ± SD)^a

16.2 ± 1.3

Clinically assessed malnutrition (%, n/n)

22.0 (238/1080)

Axillary temperature (°C; mean ± SD)

36.5 ± 0.54

Fever (%, n/n)

2.7 (29/1080)

Hb (g/dL; median, range)^a

12.5 (6.0–16.6)

Anaemia (%, n/n)

36.4 (393/1079)

History in preceding 2 weeks (%, n/n)

 Abdominal pain

34.1 (371)

 Cough

28.2 (307)

 Fever

25.3 (276)

 Poor appetite

19.7 (215)

 Weakness

17.2 (178/1032)

 Tiredness

13.9 (151)

 Diarrhea

12.8 (139)

 Vomiting

8.5 (93)

Plasmodium infection (%, n/n)

 Plasmodium spp. PCR positive

22.4 (244)

 P. falciparum, PCR positive

18.8 (205)

 P. ovale, PCR positive

4.9 (53)

 P. malariae, PCR positive

0.4 (4)

 Plasmodium spp., microscopy positive^c

13.9 (151)

 Submicroscopic infection

9.3 (101)

 Geometric mean parasite density (/µL; 95% CI)

2188 (1582–3026)