Table 4.

Logistic regression models for VTEC infections VTEC O157 and VTEC O26 in categorically rural areas in the Republic of Ireland, 2008–2013 (n = 6242)

Model	Predictor	B	P	OR	95% CI
VTEC (O157)	Private well density	2·930	<0·001	18·727	6·231–56·283
	Cattle density	0·001	0·007	1·001	1·001–1·003
VTEC (O26)	DWWTS density	0·033	0·028	0·967	0·94–0·996

OR, Odds ratio; CI, confidence interval; DWWTS, domestic wastewater treatment systems.