Having a usual source for medical care is a summary measure of adequate access to primary care.
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Percentage of People Who Have a Specific Source of Ongoing Medical Care
The value for this measure is determined by a survey question in the National Health Interview Survey: “Is there a place you usually go when you are sick or need advice about your health?” The question is asked of one randomly selected adult (the “sample adult”) and one randomly selected child (the “sample child”), in the family. Sample adults respond for themselves, and a knowledgeable adult in the family provides proxy responses for the sample child.
Several follow-up questions garner more information about the source of care. A hospital emergency room is not included in usual place to go, and unknowns are excluded.
All estimates meet the criteria of less than or equal to 30% relative standard error. Estimates may have been suppressed if there were additional concerns over statistical reliability.
This measure is calculated by the CDC/NCHS from the National Health Interview Survey.