Reproductive factors and risk of cervical cancer by cell type.
1988

Reproductive Factors and Cervical Cancer Risk

Sample size: 62079 publication Evidence: moderate

Author Information

Author(s): G. Kvale, I. Heuch, S. Nilssen

Primary Institution: University of Bergen, Norway

Hypothesis

What is the relationship between reproductive factors and the risk of cervical cancer by cell type?

Conclusion

The study found that squamous cell carcinoma risk is higher in ever married women, especially those married multiple times, while adenocarcinomas showed no significant associations with reproductive factors.

Supporting Evidence

  • Squamous cell carcinomas were more common in ever married women.
  • High age at first birth was associated with low risk of squamous cell carcinoma.
  • The risk of squamous cell carcinoma was significantly higher in parous than in nulliparous women.

Takeaway

Women who get married more than once or are divorced have a higher chance of getting a certain type of cervical cancer, while the age at which they have their first baby also matters.

Methodology

The study followed 62,079 women in Norway from 1961 to 1980, collecting data on reproductive factors through personal interviews and linking follow-up information to cancer registrations.

Potential Biases

Potential bias due to missing values for certain reproductive variables.

Limitations

The study did not account for sexual habits and other potential confounders like oral contraceptive use and smoking.

Participant Demographics

Women aged 32-74 years at the start of the study.

Statistical Information

P-Value

0.18

Confidence Interval

95% CI 2.27-4.05

Statistical Significance

p<0.001

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication