Association between Giardia duodenalis and Coinfection with Other Diarrhea-Causing Pathogens in India

Table 2

Multinomial logistic regression models exploring the significant predominant risk age group for Giardia duodenalis infection at IDBG, Kolkata (November 2007–July 2012).

Age in years	Giardia duodenalis	B	OR (95% CI)	P value
≤5 years; (n = 960)	144	0.56	1.74 (1.29–2.35)	<0.001*
>5–10 years; (n = 126)	35	1.33	3.79 (2.40–6.00)	<0.001*
>10–20 years; (n = 375)	60	0.63	1.88 (1.30–2.71)	0.001*
>20–30; (n = 551)	64	0.26	1.29 (0.91–1.85)	0.150
>30–40; (n = 416)	37	−0.04	0.96 (0.64–1.46)	0.863
>40 years; (n = 794)	73	Reference category

n = sample number.
*Statistically significant.