Sexual Behavior and Smoking as Factors in Cervical HPV Infection and CIN3
Author Information
Author(s): Deacon J M, Evans C D, Yule R, Desai M, Binns W, Taylor C, Peto J
Primary Institution: Section of Epidemiology, Institute of Cancer Research
Hypothesis
To distinguish risk factors for acquisition of cervical human papillomavirus (HPV) infection from the determinants of neoplasia among infected individuals.
Conclusion
The study found distinct differences between risk factors for HPV infection and those predictive of CIN3 among infected women.
Supporting Evidence
- The study included 181 HPV-positive controls who did not develop CIN3, 203 HPV-negative controls, and 199 HPV-positive cases with CIN3.
- Risk factors for HPV infection included the number of sexual partners and recent new sexual relationships.
- Determinants of CIN3 included early age at first intercourse and cigarette smoking.
Takeaway
This study looked at how sexual behavior and smoking affect the chances of getting HPV and developing serious cervical issues. It found that having many sexual partners and smoking can increase these risks.
Methodology
A three-arm case-control study nested within a large population-based cohort of women screened for HPV.
Participant Demographics
Women from the Manchester cohort.
Statistical Information
Confidence Interval
95% Cl = 1.99–7.62 for number of sexual partners; 95% Cl = 2.13–8.33 for new sexual relationship; 95% Cl = 1.28–5.21 for previous miscarriage; 95% Cl = 1.33–7.69 for age at first intercourse; 95% Cl = 2.51–9.71 for time since starting new relationship; 95% Cl = 1.49–4.45 for smoking.
Digital Object Identifier (DOI)
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