The burden of chronic obstructive pulmonary disease among employed adults
Received 17 December 2011
Accepted for publication 26 January 2012
Published 19 March 2012 Volume 2012:7 Pages 211—219
Review by Single anonymous peer review
Peer reviewer comments 2
Marco daCosta DiBonaventura1, Ryne Paulose-Ram2, Jun Su3, Margaret McDonald2, Kelly H Zou2, Jan-Samuel Wagner1, Hemal Shah3
1Health Sciences Practice, Kantar Health, New York, NY, USA; 2Pfizer, Inc, New York, NY, USA; 3Boehringer Ingelheim Pharmaceuticals, Inc, Ridgefield, CT, USA
Objective: To examine quality of life, work productivity, and health care resource use among employed adults ages 40–64 years with chronic obstructive pulmonary disease (COPD) in the United States.
Methods: Data from the 2009 National Health and Wellness Survey were used. All employed adults ages 40–64 years with or without a self-reported diagnosis of COPD were included in the study. Impact on quality of life (using the mental and physical component summary scores and health utilities from the Short Form-12v2), work productivity and activity impairment (using the Work Productivity and Activity Impairment questionnaire), and resource use were analyzed using regression modeling.
Results: There were 1112 employed adults with COPD versus 18,912 employed adults without COPD. After adjusting for demographics and patient characteristics, adults with COPD reported significantly lower mean levels of mental component summary (46.8 vs 48.5), physical component summary (45.6 vs 49.2), and health utilities (0.71 vs 0.75) than adults without COPD. Workers with COPD reported significantly greater presenteeism (18.9% vs 14.3%), overall work impairment (20.5% vs 16.3%), and impairment in daily activities (23.5% vs 17.9%) than adults without COPD. Employed adults with COPD also reported more mean emergency room visits (0.21 vs 0.12) and more mean hospitalizations (0.10 vs 0.06) in the previous 6 months than employed adults without COPD. All of the above differences were significant at two-sided P < 0.05.
Conclusion: After adjusting for various confounders, employed adults with COPD reported significantly lower quality of life and work productivity, and increased health care resource utilization than employed adults without COPD. These results highlight the substantial impact and burden of COPD in the United States workforce.
Keywords: chronic obstructive pulmonary disease, quality of life, work productivity, activities of daily living, health care resource use
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