Ice-associated norovirus outbreak predominantly caused by GII.17 in Taiwan, 2015

BMC Public Health

Table 2 Multiple regression analysis of risk factors for gastroenteritis (n = 267)

Food items	Ate		Not Ate		RR*	95% CI
Food items	Ill	Not ill	ill	Not ill	RR*	95% CI
Water spinach	7	12	137	111	0.75	0.42–1.33
Ham	23	11	121	112	1.20	0.93–1.53
Iced lemon tea or milk tea	86	45	58	78	1.48	1.17–1.87

AR Attack Rate, RR Risk Ratio
*Multiple logistic regression analysis was done by using log-binominal model and including the variables with p value <0.20 in bivariate analysis

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