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The validation of work-related self-reported asthma exacerbation.

Authors
Bolen-AR; Henneberger-PK; Derk-SJ; Liang-X; Sama-SR; Preusse-PA; Rosiello-R; Milton-DK
Source
Proc Am Thorac Soc 2006 Apr; 3(Abstracts):A653
NIOSHTIC No.
20031247
Abstract
Work-related patterns of asthma are frequently assessed via self-reported information. The objective of this study was to compare work-related self-reported asthma exacerbation against serial peak expiratory flow (PEF) findings. Adults with asthma were asked to conduct serial spirometry testing at home and at work 5 times a day for 3 weeks. Participants also completed a daily log of respiratory symptoms and medication use concurrent with serial testing. Work-related self-reported asthma exacerbation was defined as more symptoms or greater medication use on work vs. non-work days. A 3-member panel evaluated the serial PEF measurements for a work relationship. These judgments were used as a standard to determine the sensitivity and specificity of work-related self-reported asthma exacerbation. 89 working adults with asthma provided adequate data, and 13 (15%) were determined to have PEF evidence of work-exacerbated asthma. Work-related self-reports of exacerbation based on symptoms (48%) were more common than those based on medication use (36%). Self-reported concurrent medication use had a better combination of sensitivity (62%) and specificity (68%) than self-reported concurrent symptoms. These findings suggest that self-reports alone fail to identify many adults with asthma who have objective evidence of work-related exacerbation and erroneously identify many without objective evidence.
Keywords
Workers; Worker-health; Bronchial-asthma; Occupational-health; Occupational-diseases; Diseases; Spirometry; Respiratory-system-disorders; Surveillance
CODEN
PATSBB
Publication Date
20060401
Document Type
Abstract; Conference/Symposia Proceedings
Fiscal Year
2006
NTIS Accession No.
NTIS Price
Issue of Publication
Abstracts
ISSN
1546-3222
NIOSH Division
DRDS
Source Name
Proceedings of the American Thoracic Society
State
WV; MA; CA
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