Table 2.

Association between drinking characteristics and stroke risk among 22,091 participants (HRs and 95% CIs).

Drinking characteristics	Incidence Density (1/100,000 Person-Years)	Model 1	Model 2
Total stroke (N = 310)
Nondrinkers	375.55	1.00	1.00
Degree of alcohol intake
light	292.11	0.78(0.42,1.47)	0.71(0.36,1.40)
moderate	217.81	0.58(0.31,1.09)	0.48(0.25,0.92)
high	504.18	1.34(0.82,2.19)	0.65(0.37,1.12)
Drinking frequency
1-2d/week	175.37	0.47(0.21,1.05)	0.55(0.24,1.27)
3-5d/week	257.72	0.69(0.34,1.39)	0.64(0.31,1.31)
6-7d/week	473.17	1.26(0.82,1.93)	0.60(0.37,0.96)
Ischemic stroke (N = 245)
Nondrinkers	299.89	1.00	1.00
Degree of alcohol intake
light	204.48	0.68(0.32,1.45)	0.71(0.33,1.53)
moderate	196.03	0.65(0.34,1.27)	0.57(0.29,1.13)
high	326.24	1.09(0.60,2.00)	0.57(0.30,1.12)
Drinking frequency
1-2d/week	146.14	0.49(0.20,1.19)	0.65(0.26,1.60)
3-5d/week	225.51	0.75(0.36,1.60)	0.76(0.35,1.65)
6-7d/week	308.59	1.03(0.61,1.74)	0.53(0.30,0.94)
Hemorrhagic stroke (N = 59)
Nondrinkers	70.16	1.00	1.00
Degree of alcohol intake
light	87.63	1.25(0.39,4.01)	0.77(0.18,3.26)
moderate	—	—	—
high	148.29	2.11(0.84,5.29)	0.77(0.26,2.26)
Drinking frequency
1-2d/week	29.23	0.42(0.06,3.02)	0.30(0.04,2.49)
3-5d/week	32.22	0.46(0.06,3.33)	0.30(0.04,2.27)
6-7d/week	123.44	1.76(0.76,4.10)	0.61(0.22,1.64)

Model 1: unadjusted crude model; Model 2: adjusted for gender, age, education level, marital status, smoking status, physical exercise, excessive intake of red meat, insufficient intake of vegetables and fruits, intake of spicy food, BMI, hypertension, diabetes, dyslipidemia, and drinking quantity*gender.