Background Numerous studies have demonstrated that insurancestatus influences the amount of ambulatory care received bychildren, but few have assessed the role of insurance as a determinantof children's access to primary care. We studied the effectof health insurance on children's access to primary care.
Methods We analyzed a sample of 49,367 children under 18 yearsof age from the 19931994 National Health Interview Survey,a nationwide household survey. The overall rate of responsewas 86.5 percent. The survey included questions on insurancecoverage and access to primary care.
Results An estimated 13 percent of U.S. children did not havehealth insurance in 19931994. Uninsured children wereless likely than insured children to have a usual source ofcare (75.9 percent vs. 96.2 percent, P<0.001). Among thosewith a usual source of care, uninsured children were more likelythan insured children to have no regular physician (24.3 percentvs. 13.8 percent, P<0.001), to be without access to medicalcare after normal business hours (11.8 percent vs. 7.0 percent,P<0.001), and to have families that were dissatisfied withat least one aspect of their care (19.6 percent vs. 14.0 percent,P = 0.01). Uninsured children were more likely than insuredchildren to have gone without needed medical, dental, or otherhealth care (22.2 percent vs. 6.1 percent, P<0.001). Uninsuredchildren were also less likely than insured children to havehad contact with a physician during the previous year (67.4percent vs. 83.8 percent, P<0.001). All differences remainedsignificant after we controlled for potential confounders usinglinear and logistic regression.
Conclusions Among children, having health insurance is stronglyassociated with access to primary care. The new children's healthinsurance program enacted as part of the Balanced Budget Actof 1997 may substantially improve access to and use of primarycare by children.
Source Information
From the Institute for Health Policy Studies (P.W.N., D.C.H., M.P.), the Department of Pediatrics (P.W.N.), and the Department of Family and Community Medicine (D.C.H.), University of California, San Francisco; and the Department of Pediatrics, University of Wisconsin, Madison (J.J.S.).
Address reprint requests to Dr. Newacheck at the Institute for Health Policy Studies, 1388 Sutter St., Suite 1100, San Francisco, CA 94109.
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