Digestive Diseases and Sciences

, Volume 59, Issue 1, pp 108–116 | Cite as

No Significant Effects of Smoking or Alcohol Consumption on Risk of Barrett’s Esophagus

  • Aaron P. Thrift
  • Jennifer R. Kramer
  • Peter A. Richardson
  • Hashem B. El-Serag
Original Article

Abstract

Background

Smoking, but not higher alcohol consumption, is associated with increased risk of esophageal adenocarcinoma (EAC) and progression from Barrett’s esophagus (BE) to EAC. However, it is still unclear whether smoking or alcohol is implicated in the development of BE.

Aim

To evaluate the associations between smoking, alcohol and the risk of BE.

Methods

The study included eligible patients scheduled for elective esophagogastroduodenoscopy (EGD) and a sample of patients eligible for screening colonoscopy recruited from primary care clinics. We compared 258 patients with definitive BE with two separate control groups: 453 patients from the primary care group (“colonoscopy controls”) and 1,145 patients from the elective EGD group (“endoscopy controls”) with no endoscopic or histopathologic BE. We calculated odds ratios (OR) and 95 % confidence intervals (95 % CI) using multivariable logistic regression models.

Results

Seventy-seven percent of BE cases, 75 % of colonoscopy controls and 72 % of endoscopy controls were ever smokers. Of these, approximately 45 % were current smokers. Overall, 91 % of study participants were ex or current alcohol drinkers, with the majority drinking beer. We found no association between various measure of smoking exposure (status, intensity, age at initiation, duration, pack-years and cessation) and risk of BE. Alcohol consumption was not associated with increased risk of BE. Conversely, moderate intake was associated with lower risk (14 to <28 drinks/week, OR 0.39, 95 % CI 0.15–1.00).

Conclusion

Smoking and alcohol were not strong or consistent risk factors for BE. The likely role of smoking in increasing risk of EAC is through promoting progression from BE to cancer.

Keywords

Alcohol Barrett’s esophagus Epidemiology Risk factors Smoking 

Supplementary material

10620_2013_2892_MOESM1_ESM.docx (37 kb)
Supplementary material 1 (DOCX 36 kb)

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Aaron P. Thrift
    • 1
    • 2
    • 6
  • Jennifer R. Kramer
    • 3
    • 4
  • Peter A. Richardson
    • 3
    • 4
  • Hashem B. El-Serag
    • 3
    • 4
    • 5
  1. 1.Cancer Control GroupQIMR Berghofer Medical Research InstituteBrisbaneAustralia
  2. 2.Program in EpidemiologyFred Hutchinson Cancer Research CenterSeattleUSA
  3. 3.Houston VA HSR&D Center of Excellence, Health Services Research and Development ServiceMichael E. DeBakey Veterans Affairs Medical CenterHoustonUSA
  4. 4.Department of MedicineBaylor College of MedicineHoustonUSA
  5. 5.Section of Gastroenterology, Department of MedicineBaylor College of MedicineHoustonUSA
  6. 6.Royal Brisbane HospitalQIMR Berghofer Medical Research InstituteBrisbaneAustralia

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