Polymorphisms of alcohol dehydrogenase 2 and aldehyde dehydrogenase 2 and colorectal cancer risk in Chinese males

Table 3 Adjusted OR and 95% CI for colorectal cancer with reference to alcohol drinking

	Controls	Cases	OR1 (CI)	OR2 (CI)
Alcohol drinking status
Non-drinker	124	73	1.00	1.00
Current drinker	91	99	1.85 (1.21-2.83)	1.84 (1.20 -2.82)
Former drinker	7	18	4.37 (1.62-12.17)	4.19 (1.64-0.71)
Current and former	98	107	2.03 (1.37-3.01)	2.04 (1.36-3.08)
Alcohol consumption (g/mo)
0-29	124	73	1.00	1.00
30-299	20	14	1.19 (0.53-2.65)	1.22 (0.58-2.58)
300-599	17	20	2.00 (0.93-4.30)	1.98 (0.96-4.09)
≥ 600	61	83	2.31 (1.46-3.68)	2.33 (1.47-3.71)
			P for trend = 0.0001

¹Crude OR,

²OR was adjusted for age and smoking status.