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Work-related asthma in Korea - findings from the Korea Work-Related Asthma Surveillance (KOWAS) program, 2004-2009.

Authors
Kwon-S-C; Song-J; Kim-Y-K; Calvert-GM
Source
Allergy Asthma Immunol Res 2015 Jan; 7(1):51-59
NIOSHTIC No.
20045536
Abstract
Purpose: To determine the incidence and epidemiological characteristics of work-related asthma in Korea. Methods: During 2004-2009, the Korea Work-Related Asthma Surveillance (KOWAS) program collected data on new cases of work-related asthma from occupational physicians, allergy and chest physicians, regional surveillance systems, and workers' compensation schemes. The incidence was calculated on the basis of industry, occupation, sex, age, and region. In addition, the distribution of causal agents was determined. Results: During the study period, 236 cases of work-related asthma were reported, with 77 cases from more than 1 source. A total of 22.0% (n=52) were reported by occupational physicians, 52.5% (n=124) by allergy and chest physicians, 24.2% (n=57) by regional surveillance systems, and 43.2% (n=102) by workers' compensation schemes. The overall average annual incidence was 3.31 cases/million workers, with a rate of 3.78/million among men and 2.58/million among women. The highest incidence was observed in the 50-59-year age group (7.74/million), in the Gyeonggi/Incheon suburb of Seoul (8.50/million), in the furniture and other instrument manufacturing industries (67.62/million), and among craft and related trades workers (17.75/million). The most common causal agents were isocyanates (46.6%), flour/grain (8.5%), metal (5.9%), reactive dyes (5.1%), and solvents (4.2%). Conclusions: The incidence of work-related asthma in Korea was relatively low, and varied according to industry, occupation, gender, age, and region. Data provided by workers' compensation schemes and physician reports have been useful for determining the incidence and causes of work-related asthma.
Keywords
Bronchial-asthma; Epidemiology; Workers; Work-environment; Surveillance-programs; Humans; Men; Women; Age-groups; Demographic-characteristics; Statistical-analysis; Surveillance-programs; Exposure-levels; Respiratory-system-disorders; Pulmonary-system; Pulmonary-function; Pulmonary-system-disorders; Statistical-analysis; Epidemiology; Author Keywords: Work-related asthma; incidence; surveillance; industry; occupation
Contact
Jaechul Song, Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Korea
CODEN
AAIRBQ
Publication Date
20150101
Document Type
Journal Article
Email Address
jsong@hanyang.ac.kr
Fiscal Year
2015
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
2092-7355
NIOSH Division
DSHEFS
Priority Area
Agriculture, Forestry and Fishing
Source Name
Allergy, Asthma and Immunology Research
State
OH
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