From the 2008 National Health Interview Survey:
What condition or health problem causes you to have difficulty with these activities?
[NUMERATOR AND DENOMINATOR:]
Have you EVER been told by a doctor or other health professional that you had emphysema?
DURING THE PAST 12 MONTHS, have you been told by a doctor or other health professional that you had Chronic bronchitis?
Persons are classified as having an activity limitation if they responded that lung/breathing problems caused limitations.
This Indicator uses Age-Adjustment Groups: