An ecological quantification of the relationships between water, sanitation and infant, child, and maternal mortality

Table 2 Unadjusted Regressions

	Coefficient (95% Confidence interval (CI))	p-value
Predictor: proportion of population with access to improved water source ^a
Under-five mortality rate (per 1 000 live births)	-2.25 (-2.50,-2.05)^b	< 0·001
% under-five mortality due to diarrhea^a	OR:0·20 (0·14, 0·28)^c	< 0·001
IMR (per 1 000 live births)	-2.12 (-2.29,-1.93)	< 0·001
MMR^b (per 100 000 live births)	OR:0·20 (0·14, 0·28)	< 0·001
Predictor: proportion of population with access to improved sanitation ^a
Under-five mortality rate (per 1 000 live births)	-2.45 (-2.66,-2.27)	< 0.001
% under-five mortality due to diarrhea^a	OR: 0.20 (0.14, 0.28)	< 0.001
IMR (per 1 000 live births)	-2.29 (-2.48,-2.12)	< 0.001
MMR^b (per 100 000 live births)	OR: 0.14 (0.10, 0.20)	< 0.001

^avariable divided into quartiles
^bSample interpretation: under-five mortality rate is seen to decrease by 2.25 (95%CI 2.05, 2.50) with increasing quartile of proportion of population with improved water access
^cSample interpretation: the estimated odds ratio that increased population quartile access to water is significantly associated with increased odds of under-five child mortality due to diarrhea is 0.20 (95%CI 0.14, 0.28)

ISSN: 1476-069X