Table 3.

Meteorological variables, their transformation powers and functional forms used in deriving estimates for the association with clinical malaria risk

Variables (degree)	Variables (power)	Transformation functions
Average temperature (Second degree)	Tmean_1 (-2)	${\left(\frac{Tmean}{10}\right)}^{-2}-0.1201$
	Tmean_2 (0.5)	${\left(\frac{Tmean}{10}\right)}^{0.5}-0.1699$
Rainfall (Second degree)	Pmm_1 (2)	${\left(\frac{Pmm+0.3000}{100}\right)}^2-0.1261$
	Pmm_2 (2)	${\left(\frac{Pmm+0.3000}{100}\right)}^2*\ln \left(\frac{Pmm+0.3000}{100}\right)+0.1306$
Relative humidity (Second degree)	RH_1 (-1)	${\left(\frac{RH}{10}\right)}^{-1}*\ln \left(\frac{RH}{10}\right)-0.3332$
	RH_2 (-1)	${\left(\frac{RH}{10}\right)}^{-1}*\ln \left(\frac{RH}{10}\right)-0.3332$
Rainfall and humidity (first degree)	PmmRH (-1)	${\left(\frac{PmmRH+2.46999741}{10000}\right)}^{-1}-3.971$
Temperature and humidity (first degree)	TRH (1)	TRH - 1305
Temperature and rainfall (first degree)	TPmm (1)	TPmm - 989.7