Malaria smear positivity among Kenyan children peaks at intermediate temperatures as predicted by ecological models

Table 2 Predictors of malaria smear positivity using a multivariate model

	OR (95% CI)	P-value
Lagged 30-day mean temperature^a
<24 °C	1.05 (0.56–2.00)	0.87
24–26 °C	1.97 (0.43–9.02)	0.38
>26 °C	0.31 (0.18–0.52)	<0.001
Lagged 30-day cumulative rainfall	1.01 (0.96–1.07)	0.59
Age categories (years)
≤4	Ref
>4 and ≤8	1.39 (1.22–1.60)	<0.001
>8 and ≤12	1.59 (1.33–1.90)	<0.001
>12	1.34 (1.09–1.66)	<0.001
Always uses bednet	0.83 (0.72–0.96)	0.01
Low wealth index^b	1.50 (1.34–1.69)	<0.001
Female sex	1.11 (1.0–1.24)	0.05

^aTemperature was included as a nonlinear predictor, and the effect of temperature alone on the odds of malaria smear positivity is included in Additional file 1: Figure S2
^bDefined as household having less than 3 of the following: domestic worker, bicycle, telephone, radio, motor vehicle and bicycle

ISSN: 1756-3305