Table 2. Results of the Multivariate Regression Analysis.

Variable	P value	Odds ratio	95% confidence interval
Age	0.25	1.24	0.85 - 1.82
Community	0.13	1.37	0.90 - 2.08
No education	0.37	1.54	0.58 - 4.04
Consumption of raw cow milk	0.03	0.55	0.31 - 0.96
Water at home	0.005	2.73	1.33 - 5.58
Crowding	0.0009	0.33	0.17 - 0.64
Education of the head of family	0.03	1.53	1.03 - 2.27