Table 3.

Determinants of recurrent stroke at 1 and 5 years after the first-ever stroke among the study population (HR with 95% CI).

Predictors	Reference	Overall		<65 years		≥65 years
		Within 1 year	Within 5 years	Within 1 year	Within 5 years	Within 1 year	Within 5 years
Sex:	Women
Men		1.67 (0.85, 3.26)	1.65 (1.09, 2.50)*	1.75 (0.47, 6.44)	1.79 (0.82, 3.89)	1.59 (0.72, 3.47)	1.55 (0.94, 2.55)
Age groups:	<65 years
≥65 years		2.29 (1.31, 4.00)*	1.54 (1.11, 2.12)*	—	—	—	—
Education attainment:	≥7 years
0 year		0.88 (0.37, 2.11)	1.55 (0.83, 2.87)	0.36 (0.04, 3.03)	0.91 (0.37, 2.23)	2.29 (0.30, 17.37)	—
1–6 years		1.21 (0.57, 2.58)	1.96 (1.13, 3.42)*	1.10 (0.46, 2.62)	1.90 (1.07, 3.38)*	2.96 (0.40, 22.16)	—
First-ever stroke types:	ICH
IS		0.53 (0.29, 0.96)*	0.70 (0.48, 1.01)	0.63 (0.24, 1.64)	0.63 (0.39, 1.03)	0.43 (0.20, 0.94)*	0.73 (0.41, 1.29)
Hypertension:	No
Yes		1.39 (0.59, 3.26)	0.98 (0.60, 1.60)	1.16 (0.27, 5.01)	0.89 (0.38, 2.09)	1.65 (0.57, 4.74)	1.17 (0.64,2.12)
Diabetes:	No
Yes		1.73 (0.93, 3.22)	1.71 (1.15, 2.54)*	3.19 (1.30, 7.79)*	2.95 (1.75, 4.96)*	1.11 (0.43, 2.88)	0.88 (0.45, 1.73)
Smoking status:	Never
Past smoker		0.36 (0.11, 1.15)	0.52 (0.27, 1.00)	0.76 (0.11, 5.35)	0.63 (0.23, 1.78)	0.21 (0.05, 0.98)*	0.43 (0.16, 1.14)
Current smoker		0.84 (0.43, 1.65)	0.70 (0.46, 1.06)	0.59 (0.13, 2.70)	0.73 (0.32, 1.63)	0.95 (0.45, 2.01)	0.70 (0.42, 1.15)
Drinking status:	Never
Past drinkers		2.46 (0.99, 6.11)	2.23 (1.24, 4.01)*	1.82 (0.35, 9.42)	1.74 (0.77, 3.92)	3.60 (1.18, 11.01)*	3.09 (1.19, 8.05)*
Current drinkers		0.90 (0.44, 1.84)	0.86 (0.56, 1.32)	1.41 (0.36, 5.53)	0.92 (0.48, 1.79)	0.70 (0.28, 1.75)	0.73 (0.39, 1.37)

^*P < 0.05 compared to reference.