Table 1 Baseline characteristics

Altitude (m)

1718

1591

2247

Average annual rainfall (mm) [36]

81

75

129

EIR^a [15]

–

20.9

<1^b

IRS with carbamates

Sep ‘14; Feb ‘15

Dates of study

Apr ‘14–Apr ‘15

Oct ‘14–Mar ‘15

Nov ‘14–Apr ‘15

Mean age (95% CI)

22.3 (21.7–22.8)

20.8 (20.1–21.5)

20.5 (19.5–21.6)

Age <5 years, % (95% CI)

19.4 (18.4–20.6)

17.5 (16.2–19.0)

22.3 (19.8–25.2)

SPR if age <5 years, % (95% CI)

32.1 (29.1–35.1)

41.6 (37.2–46.1)

2.4 (0.3–4.6)

SPR if age ≥5 years, % (95% CI)

36.0 (34.5–37.5)

55.3 (53.2–57.4)

11.6 (9.2–13.9)