Table 4.

Interactions between green tea and gene polymorphism.

		Cases N	Controls N	cOR &95%CI	aOR &95%CIa
Green tea drinking	ALDH2 rs886205
Ever	C/C	49	135	Ref	Ref
Ever	C/T or T/T	17	35	1.34 (0.69–2.60)	1.10 (0.50–2.40)
Never	C/C	84	169	1.37 (0.90–2.08)	1.39 (0.79–2.43)
Never	C/T or T/T	22	36	1.68 (0.90–3.14)	2.28 (1.03–5.03)
OR for interaction				0.92 (0.38–2.24)	1.50 (0.52–4.37)
Green tea drinking	IL-10 rs1800871
Ever	T/T or C/T	62	140	Ref	Ref
Ever	C/C	3	24	0.28 (0.08–0.97)	0.21 (0.05–0.83)
Never	T/T or C/T	82	183	1.01 (0.68–1.50)	1.17 (0.68–2.00)
Never	C/C	19	15	2.86 (1.37–5.99)	3.17 (1.29–7.79)
OR for interaction				10.01 (2.39–41.97)	13.14 (2.60–66.52)
Green tea drinking	IL-10 rs1800872
Ever	A/A or A/C	57	136	Ref	Ref
Ever	C/C	2	21	0.23 (0.05–1.00)	0.18 (0.04–0.95)
Never	A/A or A/C	77	177	1.04 (0.69–1.56)	1.18 (0.68–2.043)
Never	C/C	14	13	2.57 (1.14–5.81)	2.81 (1.08–7.28)
OR for interaction				10.89 (2.02–58.77)	13.13 (1.98–86.94)
Green tea drinking	IL-10 rs1800896
Ever	A/A	53	125	Ref	Ref
Ever	A/G or G/G	7	40	0.41 (0.17–0.98)	0.35 (0.13–0.92)
Never	A/A	79	153	1.22 (0.80–1.86)	1.40 (0.80–2.48)
Never	A/G or G/G	19	37	1.21 (0.64–2.30)	1.20 (0.54–2.67)
OR for interaction				2.41 (0.83–6.97)	2.46 (0.72–8.43)

^aAdjusted for age, gender, education, income, BMI, family history, pack-year, alcohol drinking and HBsAg.