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Published on: October 22, 2020
Association between smoking and genital warts: longitudinal analysis
Bo Terning Hansen1, Maria Hagerup-Jenssen, Susanne Krüger Kjaer
1Department of Screening-based Research, Cancer Registry of Norway, PO Box 5313 Majorstuen, N-0304 Oslo, Norway. bo.terning.hansen@kreftregisteret.no
Smoking is linked to a higher risk of genital warts. Smokers had a moderately increased risk, potentially due to nicotine's immunosuppressive effects or other unmeasured factors.
Area of Science:
- Epidemiology
- Public Health
- Immunology
Background:
- Genital warts are a common sexually transmitted infection.
- Smoking is a widespread behavior with numerous health implications.
- The relationship between smoking and genital warts risk requires further elucidation.
Purpose of the Study:
- To investigate the association between smoking and the clinical diagnosis of genital warts.
- To quantify the risk of genital warts among smokers compared to non-smokers.
Main Methods:
- A large cohort study of 58,094 women (aged 18-45) from Nordic countries.
- Utilized self-reported questionnaire data on lifestyle, health, and age-specific events.
- Employed Cox regression models with time-dependent covariates to analyze risk factors.
Main Results:
- Ever-smokers reported earlier age at first intercourse and more sexual partners.
- Smoking was independently associated with an increased risk of genital warts diagnosis (adjusted HR=1.27).
- A dose-response relationship was observed, with a 0.6% increased risk per daily cigarette.
Conclusions:
- Smokers face a moderately elevated risk of genital warts diagnosis.
- Potential mechanisms include nicotine's immunosuppressive effects or unmeasured confounding factors.
- Highlights the importance of smoking cessation for reducing STI risk.
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