Patients with stroke (n = 521) | Community controls (n = 1851) | OR2-150 | 95% CI | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | ||||||||
Smoking status | |||||||||||
Never smoked | 162 | 31.1 | 901 | 48.7 | 1.00 | Referent | |||||
Active smokers | 164 | 31.5 | 255 | 13.8 | 4.27 | 3.23–5.65 | |||||
⩾15 cigarettes/day | 95 | 18.2 | 154 | 8.3 | 4.65 | 3.32–6.53 | |||||
6–14 cigarettes/day | 42 | 8.1 | 62 | 3.4 | 3.90 | 2.50–6.08 | |||||
⩽5 cigarettes/day | 27 | 5.2 | 39 | 2.1 | 3.57 | 2.07–6.15 | |||||
Never smoked | 162 | 31.1 | 901 | 48.7 | 1.00 | Referent | |||||
Ex-smokers | 174 | 33.4 | 671 | 36.2 | 1.18 | 0.91–1.53 | |||||
<2 years | 22 | 4.2 | 46 | 2.4 | 2.49 | 1.40–4.45 | |||||
2–10 years | 49 | 9.4 | 190 | 10.3 | 1.48 | 1.01–2.17 | |||||
>10 years | 103 | 19.8 | 435 | 23.5 | 0.97 | 0.72–1.32 | |||||
Unknown years | 5 | 1.0 | 1 | 0.1 | ND | ND | |||||
Passive smokers2-151 | 265 | 50.9 | 1336 | 72.2 | ND | ND | |||||
Not exposed | 110 | 21.1 | 660 | 35.7 | 1.00 | Referent | |||||
Exposed | 155 | 29.8 | 676 | 36.5 | 1.74 | 1.31–2.32 | |||||
Unknown exposure | 16 | 3.0 | 23 | 1.2 | ND | ND | |||||
Hypertensive | |||||||||||
No | 196 | 37.6 | 1241 | 67.0 | 1.00 | Referent | |||||
Yes | 325 | 62.4 | 610 | 33.0 | 2.59 | 2.10–3.20 | |||||
History of heart disease | |||||||||||
No | 429 | 82.3 | 1796 | 97.0 | 1.00 | Referent | |||||
Yes | 92 | 17.7 | 55 | 3.0 | 4.21 | 3.00–5.93 | |||||
Diabetes | |||||||||||
No | 445 | 85.4 | 1782 | 96.3 | 1.00 | Referent | |||||
Yes | 76 | 14.6 | 69 | 3.7 | 3.27 | 2.32–4.61 |