Smoking cessation and mortality risk reduction in older adults with long-term smoking history.

ABSTRACT:

Background

The association between smoking cessation and decreased mortality existed among former smokers has been well documented. However, evidence is limited for smokers with long-term exposure. This study aims to quantify the association between smoking cessation and mortality by years since quitting in older adults with long-term smoking history.

Methods

Data from Beijing Healthy Aging Cohort Study (BHACS), conducted among communities aged over 55 years old at recruitment, were collected via questionnaire between July 2009 and September 2015 and followed up for all-cause and cancer mortality until March 2021. Self-reported smoking status and years since quitting were collected at baseline. Cox proportional hazards models were used to examine the association between smok

SUBMITTER: Chen S 

PROVIDER: S-EPMC11475556 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature