Relationships between smoking habits and total mortality. A 14-years follow-up. The Tromsø study
| Subjects, n (%) | Deaths, n (%) | HR* | 95% CI | HR† | 95% CI | |
| Consistent daily smokers | 1835 (26.0) | 468 (28.4) | 2.13 | 1.86 to 2.43 | 2.05 | 1.78 to 2.37 |
| Occasional smokers | 509 (7.2) | 88 (5.3) | 1.32 | 1.05 to 1.66 | 1.38 | 1.08 to 1.76 |
| Former smokers | 2363 (33.5) | 633 (38.4) | 1.14 | 1.00 to 1.30 | 1.18 | 1.03 to 1.35 |
| Never smokers | 2346 (33.3) | 459 (27.9) | 1.00 | Reference | 1.00 | Reference |
| Total | 7053 (100) | 1648 (100) |
*Adjusted for age and gender.
†Adjusted for age, gender, education, BMI, serum cholesterol and serum triglycerides.
BMI, body mass index.