Study type: Epidemiological study (observational study)

A case-control study on the association between environmental factors and the occurrence of acute leukemia among children in Klang Valley, Malaysia. epidem.

Published in: Asian Pac J Cancer Prev 2008; 9 (4): 649-652

Aim of study (acc. to author)

A case-control study was conducted in Malaysia to examine the association between environmental and sociodemographic factors and the occurrence of acute leukemia among children. The distance of the residence to a power line was one of investigated environmental factors.

Further details

Further environmental factors (e.g., distance to a petrol station or to a main road) as well as sociodemographic factors (e.g., education of the parents, family income, number of siblings, age of parents, paternal smoking, attendance of daycare) were investigated in this study.

Endpoint/type of risk estimation

Type of risk estimation: (odds ratio (OR))

Exposure

Assessment

Exposure groups

Group Description
Reference group 1 distance of residence to power line: ≥ 200 m
Group 2 distance of residence to power line: < 200 m

Population

Case group

Control group

Study size

Cases Controls
Participants 128 128
Statistical analysis method:

Conclusion (acc. to author)

A significantly increased risk for the occurrence of childhood acute leukemia was found for children who have lived in a distance of less than 200 m to a power line.

Study funded by

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