Children's Leukaemia and Neighbourhood Proximity
Author Information
Author(s): F.E. Alexander, P.A. McKinney, K.C. Moncrieff, R.A. Cartwright
Primary Institution: Leukaemia Research Fund Centre for Clinical Epidemiology, Universities of Leeds and Southampton
Hypothesis
Do children with leukaemia live closer to each other than expected by chance?
Conclusion
The study found significant clustering of childhood leukaemia cases by residential proximity, suggesting a possible link to infectious agents.
Supporting Evidence
- Children diagnosed with leukaemia were more likely to have other cases as their nearest neighbours.
- The observed number of case-case pairs was significantly higher than expected.
- Residential proximity was defined as living in the same area for at least 6 months before diagnosis.
Takeaway
Kids with leukaemia often lived near other kids with the same illness, which might mean they caught something from each other.
Methodology
A case-control study comparing residential histories of children diagnosed with leukaemia and matched controls.
Potential Biases
Potential recall bias in reporting residential histories.
Limitations
The study relied on retrospective data, which may have inaccuracies due to long recall periods.
Participant Demographics
Children aged 0-14 years diagnosed with leukaemia or non-Hodgkin's lymphoma in specific areas of Northern England.
Statistical Information
P-Value
0.006
Statistical Significance
p=0.006
Want to read the original?
Access the complete publication on the publisher's website