Risk factors for diarrhea hospitalization in Bangladesh, 2000–2008: a case-case study of cholera and shigellosis

BMC Infectious Diseases

Table 4 Multivariable risk factor analysis for cholera compared to shigellosis among patients ≥ 5 years old hospitalized for diarrhea, icddr,b hospitals, Bangladesh, 2000–2008

	Rural multivariable^a		Urban multivariable^a
	(n = 1,507)		(n = 2,203)
	RR	95% CI	RR	95% CI
Sociodemographic
Education ^b
None	1		1
1-5 years	0.85	(0.78-0.92)	0.97	(0.93-1.02)
6-9 years	0.86	(0.76-0.97)	0.96	(0.91-1.01)
>9 years	0.61	(0.40-0.93)	0.84	(0.75-0.94)
Other potential correlates
Family member with diarrhea in past week	1.17	(1.09-1.26)	-

^aAdjusted for a priori confounders (age and season) and other predictors in the model.
^bEducation of patient for those ≥15 years of age; education of mother for those <15 years old. There is statistical evidence of decreasing risk with increasing levels of education in both settings (P < 0.001).