Indirect Cost of Illness Study of Moderate and Severe Asthma in Quebec

A new, composite questionnaire that can be used to assess the impact of health conditions on lost productivity in monetary units. It measures absenteeism, presenteeism, and non work activities.

A six item questionnaire used as a patient-reported quantitative assessment of the amount of absenteeism, presenteeism, and daily activity impairment attributable to a specific health problem.