Risk factors for cervical cancer in young women
Author Information
Author(s): Jane Green, A Berrington de Gonzalez, S Sweetland, V Beral, C Chilvers, B Crossley, J Deacon, C Hermon, P Jha, D Mant, J Peto, M Pike, M P Vessey
Primary Institution: Cancer Research UK Epidemiology Unit, University of Oxford
Hypothesis
Are there substantial differences in the risk factors for adenocarcinomas and squamous cell carcinomas of the cervix?
Conclusion
The study found that both adenocarcinoma and squamous cell carcinoma share many risk factors, but smoking was significantly associated with squamous cell carcinoma and not with adenocarcinoma.
Supporting Evidence
- HPV infection is a major risk factor for both types of cervical cancer.
- Women with more sexual partners have a higher risk of cervical cancer.
- Oral contraceptive use is associated with increased risk for both adenocarcinoma and squamous cell carcinoma.
- Smoking is significantly associated with squamous cell carcinoma but not with adenocarcinoma.
- Early age at first intercourse increases the risk of both types of cervical cancer.
Takeaway
This study looked at what makes young women more likely to get two types of cervical cancer. It found that things like having many sexual partners and using birth control can increase the risk.
Methodology
The study was a case-control design involving interviews and questionnaires to gather data on sexual and reproductive factors, HPV serology, and other potential risk factors.
Potential Biases
Potential misclassification of adenocarcinoma cases and the inability to account for HPV status directly.
Limitations
The study could not directly account for HPV status and combined cases of adenocarcinoma and adenosquamous carcinoma, which may differ in risk factors.
Participant Demographics
Women aged 20-44 years with biopsy-confirmed invasive cervical cancer diagnosed in the UK.
Statistical Information
P-Value
p<0.0001
Confidence Interval
1.21–3.26
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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