Table 4.

Comparison of the odds ratio of diarrhea risk between drinking deep tubewell and shallow tubewell water

Comparison	Control variables	n		OR	95% CI	p
Deep wells vs. shallow wells	Unstratified	29900	0.86	0.74	1.01	0.063
	Flood control
	Yes	11088	0.81	0.63	1.05	0.118
	No	18812	0.92	0.76	1.13	0.430
	Population density
	Low	8599	0.70	0.51	0.96	0.028
	Medium	10407	0.94	0.72	1.23	0.670
	High	10894	0.94	0.73	1.21	0.647
	Wealth
	Low	1789	1.52	0.83	2.77	0.179
	Low medium	5468	0.75	0.51	1.10	0.142
	Medium	12846	0.95	0.76	1.20	0.668
	High medium	5395	0.81	0.58	1.12	0.206
	High	1109	0.71	0.29	1.72	0.446
	Education
	< 1 year	2471	0.11	0.02	0.82	0.031
	1-3 years	7989	1.22	0.88	1.68	0.236
	3-5 years	10819	0.78	0.57	1.05	0.105
	5-7 years	6424	0.96	0.74	1.24	0.763
	≥ 7 years	3197	0.58	0.32	1.05	0.072
	Year
	2000	4118	0.79	0.51	1.22	0.292
	2001	4227	0.85	0.55	1.31	0.462
	2002	4290	0.84	0.56	1.27	0.410
	2003	4335	0.83	0.56	1.26	0.385
	2004	4352	0.94	0.64	1.39	0.755
	2005	4316	0.79	0.51	1.22	0.286
	2006	4262	1.13	0.74	1.72	0.573
	Children age
	0-12 months	1731	0.46	0.14	1.49	0.194
	13-24 months	2097	0.50	0.25	0.99	0.046
	25-36 months	2362	1.08	0.62	1.90	0.777
	37-48 months	2261	0.75	0.36	1.53	0.426
	49-60 months	1968	0.68	0.26	1.73	0.413

Baris drinking shallow tubewell water are the referent group. Univariate logistic regressions were used.