4.6 Article

Change in smoking status and its relation to the risk of gastroduodenal ulcer in Korean men

Journal

JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
Volume 37, Issue 11, Pages 2091-2097

Publisher

WILEY
DOI: 10.1111/jgh.15979

Keywords

cessation of smoking; smoking; duodenal ulcer; gastric ulcer

Funding

  1. National Research Foundation of Korea [2020R1G1A1102257]
  2. National Research Foundation of Korea [2020R1G1A1102257] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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This study analyzed the risk of gastroduodenal ulcer according to changes in smoking status for more than 5 years. The results showed that current smokers had a significantly higher risk for gastroduodenal ulcer compared to past smokers, and heavy smokers had the highest risk.
Background and Aim Smoking is associated with the increased risk of gastroduodenal ulcer. However, although smoking status can vary over time, most of studies have analyzed this association with smoking status at a single point of time. We analyzed the risk of gastroduodenal ulcer according to change in smoking status for more than 5 years. Methods Study participants were 43 380 Korean adults free of gastroduodenal ulcer who received health check-up between 2002 and 2013. Through evaluating their smoking status (never, quitter, and current) at 2003-2004 and 2009, they were categorized them into seven groups (never-never, never-quitter, never-current, quitter-quitter, quitter-current, current-quitter, and current-current) and monitored until 2013 to identify incident gastroduodenal ulcer. Cox-proportional hazard model was used to calculate the adjusted hazard ratios (HRs) and 95% confidence interval (CI) for incident gastroduodenal ulcer according to changes in smoking status and smoking amount. Results Compared with never-never group (reference), other groups had the significantly increased adjusted HRs and 95% CI for gastroduodenal ulcer. In particular, participants with current smoking (never-current, quitter-current, and current-current) had the relatively higher HRs than other groups (never-quitter: 1.200 [1.070-1.346], never-current: 1.375 [1.156-1.636], quitter-quitter: 1.149 [1.010-1.306], quitter-current: 1.325 [1.058-1.660], current-quitter: 1.344 [1.188-1.519], and current-current: 1.379 [1.256-1.513]). Heavy smoker had the highest risk for gastroduodenal ulcer, followed by moderate and light smoker. Conclusion People who ever experienced smoking had increased risk of gastroduodenal ulcer. Out of smoking status, current smoking is more associated with the increased risk of gastroduodenal ulcer than past smoking.

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