Smoking Habit and Interleukin 1B C-31T Polymorphism
2001

Smoking and IL-1B Polymorphism

Sample size: 703 publication Evidence: moderate

Author Information

Author(s): Hamajima Nobuyuki, Katsuda Nobuyuki, Matsuo Keitaro, Saito Toshiko, Ito Lucy Sayuri, Ando Masahiko, Inoue Manami, Takezaki Toshiro, Tajima Kazuo

Primary Institution: Aichi Cancer Center Research Institute

Hypothesis

This study examines the association between smoking habits and the IL-1B C-31T polymorphism.

Conclusion

The IL-1B C-31T polymorphism may influence smoking behavior through an inflammatory response to cigarette smoke.

Supporting Evidence

  • Current smokers were 36.4% for male outpatients and 9.8% for female outpatients.
  • The odds ratio for current smokers with the T allele was 0.45 compared to the CC genotype among outpatients.
  • The study suggests that the T allele may be linked to a higher likelihood of smoking due to inflammation.

Takeaway

The study found that certain genetic traits might make people more likely to smoke, especially if they have a specific gene variant.

Methodology

The study used an unconditional logistic model to analyze the association between smoking status and IL-1B C-31T genotypes in two populations.

Potential Biases

There may be risks of bias related to self-reported smoking status and the non-random selection of participants.

Limitations

The study's findings may not be generalizable due to the specific populations studied and potential non-random participation.

Participant Demographics

The study included 241 non-cancer outpatients (118 males and 123 females) and 462 examinees (127 males and 335 females) from a health checkup program.

Statistical Information

P-Value

0.075

Confidence Interval

0.21-0.97

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.2188/jea.11.120

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