text: Dyspnea Impact and Health Care Use, Quality of 
  Life, and Work Productivity 
  
  The impact of dyspnea and its associations with health 
  care use, quality of life, and work productivity were exam- 
  ined. Health care utilization was assessed through self- 
  reported data. Quality of life was assessed using the 36- 
  Item Short Form Health Survey questionnaire, where 
  higher scores indicate better health status. Work produc- 
  tivity was assessed using the Work Productivity and Activ- 
  scores 
  ity Impairment questionnaire, where higher 