This report examines the relationship between medical services utilization health status health insurance coverage and other characteristics coverage income and demographic characteristics in addition to the core this report focuses on a topical module on medical expenses and utilization of health care the data come from the 2001 . Coverage affects medical service utilization and cost people 5 this report examines the relationship between medical services utilization health status health insurance coverage and other demographic and economic characteristics measurement of medical services an individuals total family income as a percentage of their poverty . The medicaid program was intended to provide access to mainstream medical care for some of the most disadvantaged population groups this section examines whether for those at greatest risk persons with poor health status medicaid coverage results in levels of health service use comparable to similar persons without such coverage. Health insurance status health insurance coverage of the health insurance coverage of the total population the henry j kaiser family foundation headquarters 2400 sand hill road menlo . The survey provides detailed and nationally representative information on health care utilization and expenditures insurance coverage sources of payment health status and demographic variables for the us civilian noninstitutionalized population