Table 2 Time to first cigarette and other risk factors for atherosclerosis in long-term heavy smokers
Effect | Odds ratios and their 95% CIs | ||
|---|---|---|---|
All matched samples N = 166 cases, 286 controls | Aortic Atherosclerosisa N = 95 cases, 164 controls | Coronary atherosclerosis only N = 71 cases, 122 controls | |
TTFC | |||
  ≤ 5 min | Reference | Reference | Reference |
 6–29 min | 0.72 (0.44–1.16) | 0.54 (0.27–1.10) | 0.9 (0.45–1.82) |
 30–60 min | 0.94 (0.49–1.82) | 1.08 (0.46–2.52) | 0.9 (0.29–2.74) |
  > 60 min | 0.49 (0.24–1.00) | 0.24 (0.08–0.69) | 1.27 (0.43–3.74) |
BMI | 0.95 (0.91–1.00) | 0.93 (0.86–0.99) | 0.98 (0.91–1.05) |
Diabetes | 1.45 (0.79–2.64) | 0.58 (0.20–1.68) | 2.58 (1.16–5.76) |
Hypertension | 1.78 (1.15–2.74) | 2.34 (1.25–4.38) | 1.36 (0.72–2.59) |
Heart Attack | 1.22 (0.70–2.13) | 1.58 (0.71–3.52) | 0.98 (0.42–2.29) |