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Figure 1.1. Percent of persons of all ages without health insurance coverage:
United States, 1997-2001

Bar chart graphic of Figure 1.1. Percent of persons of all ages without health insurance coverage: United States, 1997-2001
NOTES: A person was defined as uninsured if he or she did not have any private health insurance, Medicaid, State-sponsored or other government-sponsored health plan, Medicare, or military plan at the time of the interview. A person was also defined as uninsured if he or she had only Indian Health Service coverage or had only a private plan that paid for one type of service such as accidents or dental care. The analysis excluded persons with unknown health insurance status (about 1% of respondents). The number of uninsured persons was calculated as the percent of uninsured multiplied by the total population, including persons with unknown coverage. The data on health insurance status were cleaned and edited using an automated system based on logic checks and keyword searches. For comparability, the estimates for all years were created using these same procedures. The resulting estimates of persons not having health insurance coverage are generally 0.1 percentage point lower than those based on manual editing procedures used for the final data files. CI is confidence interval.

DATA SOURCE: Family Core component of the 1997-2001 National Health Interview Surveys.

square red bulletIn 2001, the total percent of uninsured persons was 14.1% (95% CI = 13.7% - 14.6%). The estimate was 14.2% (39.1 million persons) in the first quarter, 13.9% (38.3 million) in the second quarter, 14.4% (39.9 million) in the third quarter, and 14.0% (38.8 million) in the last quarter of 2001. The differences in the quarterly estimates are not statistically significant. square red bulletThe annual percent of persons without health insurance decreased from 15.4% in 1997 to 14.1% in 2001.

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This page last reviewed June 29, 2007

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U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES
Centers for Disease Control and Prevention
National Center for Health Statistics
Hyattsville, MD
20782

1-800-232-4636