Within-state geographic patterns of health insurance coverage and health risk factors in the United States

Linda Williams Pickle, Yuchen Su

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


Background: A number of health risk factors have been associated with the incidence and mortality of common diseases. Although knowing risk factor patterns at a small-area level would be useful for ecologic analyses and prevention program planning, risk factor data are generally published only at the state or regional level in the United States. This study presents maps of within-state patterns of several such factors. Methods: Responses to Behavioral Risk Factor Surveillance System (BRFSS) questions about smoking, obesity, health insurance, and mammography use were aggregated for 1992-1998 by county. These data were then geographically smoothed by adjusting each county's proportional response based on the responses of its neighboring counties. Results: The maps show risk factor patterns consistent with published state-level maps, but also identify within-state variations masked by aggregation to the larger geographic units. Conclusions: The risk factor maps presented should permit a better understanding of localized patterns of health risk behaviors and access to health care as well as help to target intervention activities in the U.S. areas that most need them.

Original languageEnglish (US)
Pages (from-to)75-83
Number of pages9
JournalAmerican Journal of Preventive Medicine
Issue number2
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Public Health, Environmental and Occupational Health


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