Table 2.

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.