Source:
Centers for Disease Control and Prevention. National Center for Health Statistics. National Health Interview Survey, 2019-2022. Analysis by the American Lung Assocation Research and Program Services Division using SPSS software.
COPD prevalence was defined as answering yes to "Have you EVER been told by a doctor or other health professional that you had chronic obstructive pulmonary disease, C.O.P.D., emphysema, or chronic bronchitis?"
Due to rounding, numbers across may not sum up to totals.
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