Matthew P Mauer1, Michele L Herdt-Losavio, G Anders Carlson. 1. Bureau of Occupational Health, Center for Environmental Health, New York State Department of Health, Flanigan Square, 547 River Street, Troy, NY 12180, USA. mpm08@health.state.ny.us
Abstract
PURPOSE: To investigate whether New York State employees who responded to the World Trade Center disaster were more likely to report asthma or lower respiratory symptoms (LRS; cough, wheeze, chest tightness, shortness of breath) than non-exposed employees, 2 years post-September 11. METHODS: Participants (578 exposed, 702 non-exposed) completed mailed questionnaires in 2003. A unique exposure assessment method was used; exposure scores were divided at the mean (at/below, above). Poisson regression was used. RESULTS: Exposure was associated with LRS, but not asthma. Participants with exposure scores at/below the mean had a twofold increased risk of most LRS. Those with scores above the mean had a three to fourfold increased risk. For scores above the mean, the magnitude of effect was consistently higher for smoke exposure. CONCLUSIONS: Moderately exposed responders may experience health impacts from exposures in later stages of a disaster. Exposure to smoke may have had a greater lower respiratory impact than resuspended dust.
PURPOSE: To investigate whether New York State employees who responded to the World Trade Center disaster were more likely to report asthma or lower respiratory symptoms (LRS; cough, wheeze, chest tightness, shortness of breath) than non-exposed employees, 2 years post-September 11. METHODS:Participants (578 exposed, 702 non-exposed) completed mailed questionnaires in 2003. A unique exposure assessment method was used; exposure scores were divided at the mean (at/below, above). Poisson regression was used. RESULTS: Exposure was associated with LRS, but not asthma. Participants with exposure scores at/below the mean had a twofold increased risk of most LRS. Those with scores above the mean had a three to fourfold increased risk. For scores above the mean, the magnitude of effect was consistently higher for smoke exposure. CONCLUSIONS: Moderately exposed responders may experience health impacts from exposures in later stages of a disaster. Exposure to smoke may have had a greater lower respiratory impact than resuspended dust.
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