Table 3. Multivariable model of exposures associated with EIEC outbreak B, Nottingham, United Kingdom, June 2014*.

Exposure	Risk ratio	95% CI	p value
Salad	4.79	1.97–11.62	0.001
Tap water	5.73	1.85–17.76	0.003
Naan bread	0.16	0.05–0.51	0.002
Milk pudding	0.36	0.14–0.90	0.029
Chicken curry	3.94	1.52–10.19	0.005
Green chutney	0.26	0.77–0.86	0.027
*EIEC, enteroinvasive Escherichia coli.