Table 4.

Association between Shigella sonnei infection, tube well use, and other factors in rural Mirzapur (number of subjects: S. sonnei + ve, n = 148; S. sonnei − ve, n = 1246, total, N = 1394)

Variables	Unadjusted ORs	95% CI	Adjusted ORs	95% CI	p value*
Shallow tube well	0.56	0.39–0.80	0.55	0.37–0.80	0.002*
Age (12–59 months)	5.04	3.07–8.27	2.34	1.84–2.97	< 0.001*
Gender (girl)	0.93	0.65–1.32	0.89	0.62–1.28	0.553
Wealth index (poor)	0.57	0.39–0.83	0.80	0.47–1.36	0.419
No maternal education	0.42	0.20–0.87	0.51	0.24–1.16	0.093
Household sleeping room (< 4)	0.58	0.33–1.02	0.75	0.40–1.40	0.370
Household floor (earth/mud)	0.73	0.48–1.12	0.94	0.58–1.53	0.819
No household electricity	0.56	0.38–0.82	0.70	0.41–1.18	0.188
No treatment of drinking water	0.77	0.36–1.66	0.67	0.30–1.52	0.344
Did not cover drinking water container	1.28	0.90–1.82	1.45	1.00–2.10	0.048*
Did not use soap during hand washing	1.78	1.14–2.79	2.17	1.34–3.49	0.001*
Did not wash hand before eating	0.89	0.56–1.40	1.04	0.64–1.68	0.852
Did not wash hand before cooking	0.94	0.67–1.33	0.90	0.62–1.29	0.569
Did not wash hand before nursing	0.92	0.63–1.35	0.88	0.58–1.33	0.551
Did not wash hand after defecation	0.67	0.40–1.12	0.58	0.34–1.01	0.057
Child feces disposal (pour flush toilet)	1.26	0.88–1.79	1.06	0.71–1.58	0.751
Weight for height z-score (wasting)	1.07	0.71–1.62	1.02	0.57–1.74	0.995
Height for age z-score (stunted)	0.85	0.56–1.29	0.89	0.53–1.47	0.654
Weight for age z-score (underweight)	0.89	0.62–1.29	0.78	0.44–1.38	0.406

OR odds ratio, CI confidence interval

*p values are of adjusted ORs and statistically significant at < 0.05