Association of Changes in Smoking Intensity With Risk of Dementia in Korea.

ABSTRACT:

Importance

Several observational studies have reported that smoking cessation is associated with a lower risk of dementia. However, no studies have examined the association between change in smoking intensity and risk of dementia.

Objective

To investigate the association between a change in smoking intensity, including smoking reduction and smoking cessation, and risk of all dementia.

Design, setting, and participants

This cohort study used data from the National Health Insurance Service database of Korea. The cohort included participants 40 years or older who underwent biennial health examinations (2009 and 2011) and had current smoking status at the first health examination. The cohort was followed up until December 31, 2018, and statistical analysis was performed b

SUBMITTER: Jeong SM 

PROVIDER: S-EPMC9857334 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature