Smoking and Risk of All-cause Deaths in Younger and Older Adults: A Population-based Prospective Cohort Study Among Beijing Adults in China.

Medicine (Baltimore) · 2016 · PMC4998250 · PMID 26817876

Europe PMC DOI

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did not reach statistical significanceno p-value reported

The fact that the decline in risk did not reach statistical significance in our investigation may be attributed to insufficient sample size of subgroups and mixing different smoking cessation duration in our study.

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