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Days of activity limitation due to health.
6.3 Limitation of activity caused by chronic conditions, according to selected characteristics, United States, selected years 1997, 1999, 2000.
Centers for Disease Control and Prevention, National Center for Health Statistics, National Health Interview Survey.
U.S. population, all ages.
Subset of denominator reporting any days of activity limitation due to poor health.
Data are based on household interviews of a sample of the noninstitutionalized civilian population, family core questionnaire.
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