Table 5.

Multivariable models of safe water practices (chlorine purifier, cloth filtration, and boiling) among households

Variable	Model 1 – purifier			Model 2 – purifier			Model 2 – cloth filter			Model 2 – boiling
	OR	95% CI	P	OR	95% CI	P	OR	95% CI	P	OR	95% CI	P
Invention status	1.3	0.6–2.6		1.2	0.5–2.7		0.6	0.2–2.4		0.4	0.1–1.2
School type (middle vs. primary)	0.9	0.4–2.1		1.2	0.5–3.1		1.1	0.2–4.5		1.6	0.5–5.4
SES tercile
Middle vs. poorest				2.3	1.1–5.2	**	1.3	0.6–3.0		1.5	0.7–3.2
Least poor vs. poorest				2.2	1.0–4.7	**	2.6	1.1–6.0	**	1.7	0.8–3.6
Toilet				4.4	1.6–12.2	***	3.7	1.2–11.5	**	3.0	1.1–8.3	**
Female head education
Some/completed primary vs. none				0.8	0.4–1.6		1.2	0.5–2.9		1.6	0.8–3.3
At least some secondary vs. none				1.7	0.8–3.7		1.4	0.6–3.3		0.9	0.4–1.9
Male head education
Some/completed primary vs. none				1.0	0.5–2.2		0.5	0.2–1.2		1.2	0.6–2.5
At least some secondary vs. none				1.2	0.5–2.6		0.4	0.2–0.9	**	1.1	0.5–2.3
Household size				0.8	0.7–1.0	*	1.0	0.8–1.3		1.0	0.8–1.2	*
Child < 5 years of age in household				1.2	0.6–2.4		1.2	0.6–2.5		1.2	0.6–2.3
Female member of self-help group				34.8	9.3–130.5	***	0.6	0.3–1.2		0.7	0.4–1.3
Friends own (most/some vs. few/none)				2.8	1.4–5.6	***

^*Significant at P < 0.1.

^**Significant at P < 0.05.

^***Significant at P < 0.001.

OR = odds ratio; CI = confidence interval; SES = socio-economic status.