Smoking behavioral changes and subsequent mortality during a 18-year follow-up in Kinmen, Taiwan

Yen Huai Lin, Po-Wen Ku, Pesus Chou

Research output: Contribution to journalArticle

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Abstract

Background The aim of this study was to examine the changes in smoking behavior over 6 years and to relate these changes to mortality risk during 18 years’ follow-up. Methods We followed a cohort for 6 years (1991–1997) to assess changes in smoking behavior and then for an additional 12 years (1997–2008) to relate these findings to mortality in 4986 Chinese individuals. Participants were classified as never smokers, long-term quitters, new smokers, new quitters, and continuing smokers. Mortality was ascertained by linkage with the nationwide death registry. Results Compared with never smokers, continuing smokers had the highest risk of 1.84 [95% confidence interval (CI): 1.38, 2.45] for all-cause mortality, new quitters had a risk of 1.49 (95% CI: 1.04, 2.15), new smokers had a risk of 1.26 (95% CI: 0.59, 2.68), and long-term quitters had a risk of 1.11 (95% CI: 0.64, 1.91). There was a significant 19% risk reduction in all-cause mortality for new quitters. Conclusion Smoking cessation was associated with a significant reduction in mortality risk within approximately 6 years, while no significantly increased risk was observed for long-term quitters.

Original languageEnglish
Pages (from-to)283-287
Number of pages5
JournalJournal of the Chinese Medical Association
Volume80
Issue number5
DOIs
Publication statusPublished - 2017 May 1

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Taiwan
Smoking
Mortality
Confidence Intervals
Smoking Cessation
Risk Reduction Behavior
Registries

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

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title = "Smoking behavioral changes and subsequent mortality during a 18-year follow-up in Kinmen, Taiwan",
abstract = "Background The aim of this study was to examine the changes in smoking behavior over 6 years and to relate these changes to mortality risk during 18 years’ follow-up. Methods We followed a cohort for 6 years (1991–1997) to assess changes in smoking behavior and then for an additional 12 years (1997–2008) to relate these findings to mortality in 4986 Chinese individuals. Participants were classified as never smokers, long-term quitters, new smokers, new quitters, and continuing smokers. Mortality was ascertained by linkage with the nationwide death registry. Results Compared with never smokers, continuing smokers had the highest risk of 1.84 [95{\%} confidence interval (CI): 1.38, 2.45] for all-cause mortality, new quitters had a risk of 1.49 (95{\%} CI: 1.04, 2.15), new smokers had a risk of 1.26 (95{\%} CI: 0.59, 2.68), and long-term quitters had a risk of 1.11 (95{\%} CI: 0.64, 1.91). There was a significant 19{\%} risk reduction in all-cause mortality for new quitters. Conclusion Smoking cessation was associated with a significant reduction in mortality risk within approximately 6 years, while no significantly increased risk was observed for long-term quitters.",
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Smoking behavioral changes and subsequent mortality during a 18-year follow-up in Kinmen, Taiwan. / Lin, Yen Huai; Ku, Po-Wen; Chou, Pesus.

In: Journal of the Chinese Medical Association, Vol. 80, No. 5, 01.05.2017, p. 283-287.

Research output: Contribution to journalArticle

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AB - Background The aim of this study was to examine the changes in smoking behavior over 6 years and to relate these changes to mortality risk during 18 years’ follow-up. Methods We followed a cohort for 6 years (1991–1997) to assess changes in smoking behavior and then for an additional 12 years (1997–2008) to relate these findings to mortality in 4986 Chinese individuals. Participants were classified as never smokers, long-term quitters, new smokers, new quitters, and continuing smokers. Mortality was ascertained by linkage with the nationwide death registry. Results Compared with never smokers, continuing smokers had the highest risk of 1.84 [95% confidence interval (CI): 1.38, 2.45] for all-cause mortality, new quitters had a risk of 1.49 (95% CI: 1.04, 2.15), new smokers had a risk of 1.26 (95% CI: 0.59, 2.68), and long-term quitters had a risk of 1.11 (95% CI: 0.64, 1.91). There was a significant 19% risk reduction in all-cause mortality for new quitters. Conclusion Smoking cessation was associated with a significant reduction in mortality risk within approximately 6 years, while no significantly increased risk was observed for long-term quitters.

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