Table 4.

Factors associated with developing hospital-acquired diarrhea among adult medicine ward patients in three tertiary-level hospitals in Bangladesh, 2007–2010

Exposure	Cases (N = 146)	Controls (N = 1503)	Simple logistic regression*		Multiple logistic regression*
	n (%)	n (%)	OR	95% CI	OR	95% CI
Age categories, years
14–30	46 (32)	501 (34)	Reference		Reference
31–45	34 (23)	397 (27)	0.9	0.8–1.0	0.9	0.6–1.2
46–65	46 (32)	429 (29)	1.1	0.6–2.4	1.1	0.4–2.9
> 65	19 (13)	151 (10)	1.3	1.1–1.6	1.3	0.9–1.9
Days of hospitalization after > 72 hours	146	1503	1.12	1.04–1.20	1.12	1.04–1.20
Antibiotic received within 72 hours of hospital admission
No	29 (20)	222 (15)	Reference		Reference
Yes	117 (80)	1281 (85)	0.7	0.4–1.0	0.7	0.6–0.9

^*Ward-level clustering was considered.

^†P < 0.05.