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Physician reports of work-related asthma in California, 1993-1996.

Authors
Reinisch-F; Harrison-RJ; Cussler-S; Athanasoulis-M; Balmes-J; Blanc-P; Cone-J
Source
Am J Ind Med 2001 Jan; 39(1):72-83
NIOSHTIC No.
20030135
Abstract
Background: Work-related asthma is a leading cause of occupational respiratory illness. Methods: Work-related asthma was studied in California over a 36-month period, from March 1, 1993 to February 29, 1996. The surveillance system identified cases from Doctor's First Reports (DFRs), a mandated physician reporting system. Structured follow-up telephone interviews of DFR asthma cases were conducted to collect work history, exposure, and medical information. Statewide employment data was used to calculate disease rates among industry groups. Results: Based on 945 cases of work-related asthma, the average annual reporting rate for work-related asthma in California was 25/million workers. We estimate that the actual rate is 78/million, adjusted for likely underreporting. Janitors and cleaners (625/million) and firefighters (300/million) had the highest reporting rates of work-related asthma. Half of all work-related asthma cases were associated with agents not known to be allergens. Conclusions: A greater proportion of work-related asthma associated with irritant exposures was identified than has previously been reported. The surveillance data provide a very conservative estimate of the incidence of work-related asthma.
Keywords
Pulmonary-system-disorders; Respiratory-system-disorders; Bronchial-asthma; Epidemiology; Statistical-analysis; Demographic-characteristics; Surveillance-programs
Contact
Florence Reinisch, California Department of Health Services, Occupational Health Branch, 1515 Clay Street, Suite 1901, Oakland, CA 94612
CODEN
AJIMD8
Publication Date
20010101
Document Type
Journal Article
Email Address
freinisc@dhs.ca.gov
Funding Amount
258976
Funding Type
Cooperative Agreement
Fiscal Year
2001
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U50-CCU-910074
Issue of Publication
1
ISSN
0271-3586
NIOSH Division
DRDS
Source Name
American Journal of Industrial Medicine
State
CA; WV
Performing Organization
California Department of Health Services-Occupational Health Branch
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