Lack of association between serotonin transporter gene polymorphism 5-HTTLPR and smoking among Polish population: a case-control study
2008

Serotonin Gene and Smoking in Polish People

Sample size: 307 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sieminska Alicja, Buczkowski Krzysztof, Jassem Ewa, Tkacz Ewa

Primary Institution: Medical University of Gdansk

Hypothesis

Is there an association between the serotonin transporter gene polymorphism (5-HTTLPR) and smoking behavior in the Polish population?

Conclusion

The study found that the 5-HTTLPR gene is not a major factor influencing cigarette smoking among Poles.

Supporting Evidence

  • The study included 307 participants, with 149 ever smokers and 158 never smokers.
  • No significant differences were found in the rates of S allele carriers between ever smokers and never smokers.
  • Older age and alcohol dependence were significantly associated with smoking status.

Takeaway

The study looked at whether a specific gene affects smoking habits in Polish people and found it doesn't really make a difference.

Methodology

The study involved 149 ever smokers and 158 never smokers, analyzing their 5-HTTLPR genotypes and smoking behaviors.

Potential Biases

Potential bias due to self-reporting of smoking status and psychiatric conditions.

Limitations

The sample size was relatively small, and self-reported psychiatric disorders were not clinically verified.

Participant Demographics

307 adult Caucasians from Northern Poland, including 149 ever smokers and 158 never smokers.

Statistical Information

P-Value

0.19

Confidence Interval

95% CI: 2.33–6.99

Statistical Significance

p=0.19

Digital Object Identifier (DOI)

10.1186/1471-2350-9-76

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