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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e3182851790
Original Articles

Screening for Occupational Asthma by Using a Self-Administered Questionnaire in a Clinical Setting

Pralong, Jacques A. MD, MSc; Moullec, Gregory PhD; Suarthana, Eva MD, PhD; Gérin, Michel PhD; Gautrin, Denyse PhD; Archevêque, Jocelyne L'; Labrecque, Manon MD, MSc

Supplemental Author Material
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Objective: Because of its high prevalence, early screening for occupational asthma (OA) is crucial. We aimed to evaluate the screening performance of the Occupational Asthma Screening Questionnaire–11 items (OASQ-11) in a clinical setting.

Methods: Between January 2009 and December 2011, 169 workers referred for potential OA to our hospital completed the OASQ-11 and underwent workups to determine the final diagnosis. The discriminative abilities of the OASQ-11 as a whole and in relation to demographic and exposure parameters were determined by the area under the receiving operator characteristic curve (AUC).

Results: Model 1, consisting of the OASQ's items, showed fair discrimination (AUC, 0.69; 95% confidence interval, 0.58 to 0.80). Addition of age and exposure duration to model 1 improved discrimination (AUC, 0.80; confidence interval, 0.72 to 0.88).

Conclusion: A simple model consisting of the OASQ-11's items, age, and exposure duration could well discriminate subjects with OA in a clinical setting.

©2013The American College of Occupational and Environmental Medicine


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