Notes: Error bars represent 95% confidence intervals.
Based on sample adult’s response to a question asking if, during the past 12 months, the person ever used computers to look up health information on the Internet. Responses were not limited to those who indicated that they had Internet access.
Counties were classified into urbanization levels based on a classification scheme developed by the National Center for Health Statistics, CDC, that considers metropolitan/nonmetropolitan status, population, and other factors.
Estimates are based on household interviews of a sample of the civilian, noninstitutionalized U.S. population and are derived from the National Health Interview Survey sample adult questionnaire.
Data Sources: National Health Interview Survey. Available at http://www.cdc.gov/nchs/nhis.htm. Ingram DD, Franco SJ. NCHS urban-rural classification scheme for counties. National Center for Health Statistics. Vital Health Stat 2012;2(154).
Source: Centers for Disease Control and Prevention: Percentage of U.S. Adults Who Looked up Health Information on the Internet in the Past Year, by Type of Locality — National Health Interview Survey, 2012–2014