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Health surveillance using an occupational medical database
D S Gowers1, A V Carpenter, H M Ellis
1Department of Epidemiology, Rohm and Haas Company, Bristol, PA 19007, USA.
Journal of Occupational and Environmental Medicine
|September 8, 1998
Summary
This study explored links between liver function tests (LFTs) and occupational exposure groups (HEGs) to detect early signs of health issues. Certain exposure groups showed potential associations with altered LFTs, indicating possible future occupational health concerns.
Area of Science:
- Occupational Health
- Toxicology
- Biochemistry
Background:
- Liver function tests (LFTs) are crucial biomarkers for assessing liver health.
- Identifying pre-clinical indicators of occupational health problems is vital for worker protection.
Purpose of the Study:
- To investigate associations between LFTs and homogeneous exposure groups (HEGs) at a manufacturing plant.
- To identify potential early, pre-clinical signs of occupational health issues.
Main Methods:
- Linear models were used to analyze six LFTs, controlling for factors like sex, BMI, age, race, and lifestyle.
- Analyses examined LFTs against specific HEGs, with adjustments for confounding variables.
- A collapsed HEG variable was created to identify significant associations.
Main Results:
- Initial analyses revealed "suspect" associations (P < 0.10) between certain HEGs and LFTs.
- Further analysis using a collapsed HEG variable confirmed significant associations (P < 0.05) with LFTs in an independent dataset.
Conclusions:
- This pilot study suggests that specific homogeneous exposure groups may be associated with altered liver function.
- LFTs could serve as pre-clinical indicators for potential future occupational health problems in exposed workers.