Table 1.

Demographic and practice characteristics of survey respondents, by physician specialty, in a study of physician attitudes toward adult vaccines and other preventive practices, United States, 2012

^aDenominators that differ from total number of respondents are indicated and apply to all values in the category indicated.

^bSome column percentages do not total to 100 because of rounding.

^cExcept for age (mean [SD] years) and providers in practice (median [IQR])

^dAccording to the U.S. Census Bureau regions established in 1942. Midwest: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin; Northeast: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont; South: Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia; West: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming.

^cRespondents reported having a contractual relationship with these entities.

CI = confidence interval

SD = standard deviation

HMO = health maintenance organization

MCO = managed care organization

IQR = interquartile range