Table 2.

Characteristics of 95 cases and 95 controls in the case-control study of a gastroenteritis outbreak, Erzurum Province, Turkey, 19–27 December 2012

Characteristics	Cases, n (%)	Controls, n (%)	OR (95% CI)
Age (years)
2–17	41 (43)	6 (6·4)	12 (3·3–42)
18–39	28 (30)	37 (39)	1·3 (0·45–3·7)
40–59	19 (20)	39 (42)	0·84 (0·28–2·5)
60–82	7 (7·4)	12 (13)	Ref.
Sex
Male	35 (37)	9 (9·5)	5·6 (2·5–12)
Female	60 (63)	86 (91)	Ref.
Drinking water from antique neighbourhood fountains
Yes	72 (76)	29 (31)	6·4 (3·0–16)
No	23 (24)	66 (69)	Ref.
Drinking tap water
Yes	17 (18)	47 (50)	0·14 (0·044–0·37)
No	78 (82)	48 (50)	Ref.
Drinking bottled water
Yes	8 (8·4)	30 (32)	0·15 (0·039–0·44)
No	87 (92)	65 (68)	Ref.
Drinking other water
Yes	6 (6·3)	7 (7·4)	0·83 (0·20–3·3)
No	89 (94)	88 (93)	Ref.

OR, Odds ratio; CI, confidence interval.