Lead Exposure Study Among Battery Repair Workers in Ethiopia
Author Information
Author(s): Ahmed Kemal, Ayana Gonfa, Engidawork Ephrem
Primary Institution: Addis Ababa University
Hypothesis
What is the magnitude of lead exposure among battery repair workers in Addis Ababa, Ethiopia?
Conclusion
Workers in lead acid battery repair units are not adequately protected from high lead exposure.
Supporting Evidence
- Urinary aminolevulinic acid levels were significantly higher in the exposed group compared to the non-exposed group.
- Alcohol consumption was associated with higher urinary aminolevulinic acid levels among exposed subjects.
- Urinary aminolevulinic acid levels increased with age and duration of employment.
Takeaway
This study found that workers fixing lead batteries are getting too much lead in their bodies, which can make them sick.
Methodology
A cross-sectional study was conducted using structured questionnaires and urine samples to measure urinary aminolevulinic acid levels as an index of lead exposure.
Potential Biases
Potential bias from self-reported data and small sample size.
Limitations
The study did not measure blood lead levels directly and relied on urinary aminolevulinic acid as a surrogate marker.
Participant Demographics
51 participants (45 male, 6 female) aged 23 to 57 years.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p < 0.001
Digital Object Identifier (DOI)
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