OBJECTIVE: To examine the incidence of occupational asthma in the seven aluminum smelters of Australia and New Zealand from 1991 to 2006. METHODS: Incidence and exposure data were collected by survey from the smelters prospectively during the study period. RESULTS: The incidence of occupational asthma across all smelters combined was highest in 1992 at 9.46/1,000/year, declining to 0.36/1,000/year in 2006; a 96.2% reduction. The incidence of occupational asthma was correlated with geometric mean total fluoride concentration, measured as personal samples from employees undertaking anode changing (r(s) = 0.497, P < 0.001). CONCLUSIONS: The control of exposures, respiratory protection and pre-placement medical assessments undertaken during the study period seem to have contributed to the substantial decline in occupational asthma incidence.
OBJECTIVE: To examine the incidence of occupational asthma in the seven aluminum smelters of Australia and New Zealand from 1991 to 2006. METHODS: Incidence and exposure data were collected by survey from the smelters prospectively during the study period. RESULTS: The incidence of occupational asthma across all smelters combined was highest in 1992 at 9.46/1,000/year, declining to 0.36/1,000/year in 2006; a 96.2% reduction. The incidence of occupational asthma was correlated with geometric mean total fluoride concentration, measured as personal samples from employees undertaking anode changing (r(s) = 0.497, P < 0.001). CONCLUSIONS: The control of exposures, respiratory protection and pre-placement medical assessments undertaken during the study period seem to have contributed to the substantial decline in occupational asthma incidence.
Authors: Elizabeth M Noth; Christine Dixon-Ernst; Sa Liu; Linda Cantley; Baylah Tessier-Sherman; Ellen A Eisen; Mark R Cullen; S Katharine Hammond Journal: J Expo Sci Environ Epidemiol Date: 2013-09-11 Impact factor: 5.563
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Authors: Andreas M Neophytou; Elizabeth M Noth; Sa Liu; Sadie Costello; S Katharine Hammond; Mark R Cullen; Ellen A Eisen Journal: PLoS One Date: 2016-06-01 Impact factor: 3.240
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