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Decreased lung function among employees at Norwegian smelters
H Laier Johnsen1, J Kongerud, S M Hetland
1Department of Medicine, Akershus University Hospital, Lørenskog, Norway. helle.laier@dadlnet.dk
American Journal of Industrial Medicine
|January 24, 2008
Summary
Smelter workers exposed to airborne pollutants showed reduced lung function. Both line operators and non-line operators experienced significant declines in forced expiratory volume in one second (FEV(1)) compared to non-exposed staff.
Area of Science:
- Occupational health
- Pulmonary medicine
- Environmental health
Background:
- Smelting industry operations release airborne pollutants into the workplace.
- Exposure to these pollutants may impact employee respiratory health.
Purpose of the Study:
- To investigate the association between job roles in Norwegian smelters and lung function.
- To quantify the impact of production-related work on respiratory health outcomes.
Main Methods:
- Spirometry and standardized questionnaires administered to 3,924 employees.
- Participants categorized into line operators, non-line operators, and non-exposed groups based on job function.
Main Results:
- Line operators and non-line operators exhibited significantly lower forced expiratory volume in one second (FEV(1)) compared to non-exposed employees.
- Prevalence of airflow limitation was higher in line operators (8.3%) and non-line operators (7.5%) than in non-exposed employees (4.7%).
Conclusions:
- Job categories within Norwegian smelters, specifically line and non-line operator roles, are significantly associated with impaired lung function.
- Occupational exposure in smelting poses a risk to respiratory health.
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