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Cigarette smoking is associated with a reduction in the risk of incident gout: results from the Framingham Heart Study original cohort.
Rheumatology (Oxford). 2015 Jan; 54(1):91-5.R

Abstract

OBJECTIVE

Cigarette smoking is correlated with other risk factors for gout such as adiposity and alcohol intake. The goal of this study was to study the direction and magnitude of association between cigarette smoking and risk for gout.

METHODS

We analysed 54-year follow-up data (1948-2002) for 2279 men and 2785 women who were gout-free at their first assessment as a part of the Framingham Heart Study. Using Cox proportional hazards models we estimated the association between cigarette smoking and incident gout among men and women separately after adjusting for age, BMI, alcohol intake, hypertension, kidney disease and diabetes.

RESULTS

There were 399 incident cases (249 men and 150 women) of gout over 151 058 person-years of observation. Incidence rates of gout per 1000 person-years for smokers and non-smokers were 2.13 (95% CI 1.79, 2.53) and 3.04 (95% CI 2.70, 3.42), respectively. In multivariable Cox models, cigarette smoking was associated with gout with a hazard ratio of 0.76 (95% CI 0.59, 0.98) overall, 0.68 (95% CI 0.49, 0.93) among men and 0.92 (95% CI 0.60, 1.41) among women. Lower risk for smokers was evident among all obesity categories, but not among women. Sensitivity analysis suggested that the magnitude of the true odds ratio might be lower than our calculations.

CONCLUSION

Cigarette smoking is associated with lower incidence of gout and this is not explained by differences in the prevalence of risk factors. The mechanistic underpinnings of this epidemiological finding merits further study.

Authors+Show Affiliations

Department of Immunology and Rheumatology, Stanford University School of Medicine, Palo Alto, CA, USA.Department of Immunology and Rheumatology, Stanford University School of Medicine, Palo Alto, CA, USA. e.krishnan@stanford.edu.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

25086327

Citation

Wang, Weiqi, and Eswar Krishnan. "Cigarette Smoking Is Associated With a Reduction in the Risk of Incident Gout: Results From the Framingham Heart Study Original Cohort." Rheumatology (Oxford, England), vol. 54, no. 1, 2015, pp. 91-5.
Wang W, Krishnan E. Cigarette smoking is associated with a reduction in the risk of incident gout: results from the Framingham Heart Study original cohort. Rheumatology (Oxford). 2015;54(1):91-5.
Wang, W., & Krishnan, E. (2015). Cigarette smoking is associated with a reduction in the risk of incident gout: results from the Framingham Heart Study original cohort. Rheumatology (Oxford, England), 54(1), 91-5. https://doi.org/10.1093/rheumatology/keu304
Wang W, Krishnan E. Cigarette Smoking Is Associated With a Reduction in the Risk of Incident Gout: Results From the Framingham Heart Study Original Cohort. Rheumatology (Oxford). 2015;54(1):91-5. PubMed PMID: 25086327.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cigarette smoking is associated with a reduction in the risk of incident gout: results from the Framingham Heart Study original cohort. AU - Wang,Weiqi, AU - Krishnan,Eswar, Y1 - 2014/08/01/ PY - 2014/8/3/entrez PY - 2014/8/3/pubmed PY - 2015/3/27/medline KW - Framingham Heart Study KW - cigarette smoking KW - gout KW - risk factor KW - survival model SP - 91 EP - 5 JF - Rheumatology (Oxford, England) JO - Rheumatology (Oxford) VL - 54 IS - 1 N2 - OBJECTIVE: Cigarette smoking is correlated with other risk factors for gout such as adiposity and alcohol intake. The goal of this study was to study the direction and magnitude of association between cigarette smoking and risk for gout. METHODS: We analysed 54-year follow-up data (1948-2002) for 2279 men and 2785 women who were gout-free at their first assessment as a part of the Framingham Heart Study. Using Cox proportional hazards models we estimated the association between cigarette smoking and incident gout among men and women separately after adjusting for age, BMI, alcohol intake, hypertension, kidney disease and diabetes. RESULTS: There were 399 incident cases (249 men and 150 women) of gout over 151 058 person-years of observation. Incidence rates of gout per 1000 person-years for smokers and non-smokers were 2.13 (95% CI 1.79, 2.53) and 3.04 (95% CI 2.70, 3.42), respectively. In multivariable Cox models, cigarette smoking was associated with gout with a hazard ratio of 0.76 (95% CI 0.59, 0.98) overall, 0.68 (95% CI 0.49, 0.93) among men and 0.92 (95% CI 0.60, 1.41) among women. Lower risk for smokers was evident among all obesity categories, but not among women. Sensitivity analysis suggested that the magnitude of the true odds ratio might be lower than our calculations. CONCLUSION: Cigarette smoking is associated with lower incidence of gout and this is not explained by differences in the prevalence of risk factors. The mechanistic underpinnings of this epidemiological finding merits further study. SN - 1462-0332 UR - https://www.unboundmedicine.com/medline/citation/25086327/Cigarette_smoking_is_associated_with_a_reduction_in_the_risk_of_incident_gout:_results_from_the_Framingham_Heart_Study_original_cohort_ L2 - https://academic.oup.com/rheumatology/article-lookup/doi/10.1093/rheumatology/keu304 DB - PRIME DP - Unbound Medicine ER -