Categories
· Health/Science
· Cessation
· Aging/Elderly
· Statistics/Database
non-USA, by Country
· Norway
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Tob Control. Published Online First: 18 February 2009. doi:10.1136/tc.2008.026898
Jump to full article: Tobacco Control, 2009-02-18
Author: Kjell Bjartveit, emeritus director1, Aage Tverdal, senior researcher2
Intro: OBJECTIVES ---To estimate the risk of dying from all causes and from specified smoking-related diseases in people who were ex-smokers at two consecutive examinations . . .
RESULTS --- With sustained never smokers as reference, the sustained ex-smokers had adjusted relative risk (95 % CI), of dying from any cause, for men 0.97 (0.80 to 1.18), for women 0.98 (0.65 to 1.48). Corresponding risk for ex-smokers who resumed smoking was for men 1.59 (1.32 to 1.91), for women 1.40 (1.08 to 1.81). For the specified smoking-related diseases, the risk in sustained ex-smokers was not significantly different from the risk in sustained never-smokers, except for lung cancer in men. For ex-smokers who resumed smoking, the corresponding risk was on the whole significantly higher.
CONCLUSIONS ---A more valid and favourable picture of ex-smokers’ risk will be obtained if exposure is being based upon people with two consecutive examinations, years apart. The study confirms clearly the large health benefit of quitting smoking for good.
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