Cancer Risks Among Long-Standing Spouses
Author Information
Author(s): Kari Hemminki, Ying Jiang
Primary Institution: Department of Biosciences at Novum, Karolinska Institute
Hypothesis
Do spouses who have lived together for a long time share similar cancer risks due to their shared environment?
Conclusion
The study found that spouses do not share significant cancer risks, except for a few associations related to known risk factors.
Supporting Evidence
- Only three cancer sites showed increased risks among spouses: stomach, lung, and bladder.
- Concordant cancer risks were modest, with standardized incidence ratios ranging from 1.19 to 1.38.
- Shared lifestyle factors like smoking were linked to some cancer associations between spouses.
Takeaway
This study looked at couples who lived together for a long time and found that they don't really share cancer risks, except for a few types of cancer that are linked to things like smoking.
Methodology
The study used the Swedish Family-Cancer Database to analyze cancer risks among spouses who lived together for at least 15 years and had children together.
Potential Biases
Potential bias due to ecological study design and reliance on existing databases.
Limitations
The study lacked dietary data and could not account for differences in dietary habits over long periods of cohabitation.
Participant Demographics
Couples who had one or more children in common and lived together for at least 15 years.
Statistical Information
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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