Table 89Emergency department visits within the past 12 months among adults 18 years of age and over, by selected characteristics: United States, selected years 1997–2007

[Data are based on household interviews of a sample of the civilian noninstitutionalized population]

Click here for spreadsheet version

One or more emergency department visitsTwo or more emergency department visits
Characteristic19972000200620071997200020062007
Percent of adults with emergency department visits1
18 years and over, age-adjusted2,319.620.220.520.26.76.97.57.4
18 years and over, crude219.620.120.420.16.76.87.47.3
Age
18–44 years20.720.520.520.36.87.07.37.4
 18–24 years26.325.724.923.39.18.89.68.7
 25–44 years19.018.818.919.36.26.46.56.9
45–64 years16.217.618.418.35.65.66.86.5
 45–54 years15.717.917.918.05.55.86.36.6
 55–64 years16.917.018.918.75.75.37.56.4
65 years and over22.023.724.523.18.18.69.09.0
 65–74 years20.321.620.620.27.17.46.87.6
 75 years and over24.326.228.926.59.310.011.610.6
Sex3
Male19.118.719.018.45.95.76.06.2
Female20.221.622.121.97.57.98.98.6
Race3,4
White only19.019.420.119.66.26.47.06.9
Black or African American only25.926.525.626.311.110.811.311.3
American Indian or Alaska Native only24.830.321.126.713.1*12.6*10.5*11.3
Asian only11.613.613.611.9*2.9*3.83.84.5
Native Hawaiian or Other Pacific Islander only- - - * * * - - - * * *
2 or more races- - -32.524.528.3- - -11.3*9.414.2
 American Indian or Alaska Native; White- - -33.921.929.9- - -*9.4 * *17.2
Hispanic origin and race3,4
Hispanic or Latino19.218.317.318.27.47.05.76.7
 Mexican17.817.415.416.16.47.14.85.6
Not Hispanic or Latino19.720.621.120.66.76.97.77.5
 White only19.119.820.820.16.26.47.37.0
 Black or African American only25.926.525.826.211.010.811.311.4
Percent of poverty level3,5
Below 100%28.129.028.229.912.813.313.014.1
100%–less than 200%23.823.924.023.69.39.610.610.2
200% or more17.018.018.217.84.95.25.55.6
Hispanic origin and race and percent of poverty level3,4,5
Hispanic or Latino:
 Below 100%22.122.420.725.09.89.76.811.8
 100%–less than 200%19.218.116.017.08.16.75.96.2
 200% or more17.616.816.516.65.46.15.25.4
Not Hispanic or Latino:
 White only:
  Below 100%29.530.131.732.613.013.915.214.9
  100%–less than 200%24.325.526.325.69.110.411.711.1
  200% or more16.817.718.317.74.85.05.35.4
 Black or African American only:
  Below 100%34.635.431.432.217.517.415.815.8
  100%–less than 200%29.228.530.328.612.812.213.613.4
  200% or more19.722.621.522.87.28.08.58.7
Health insurance status at the time of interview6,7
18–64 years:
 Insured18.819.519.919.46.16.47.27.0
  Private16.917.617.216.94.75.15.35.1
  Medicaid37.642.239.037.919.721.020.721.2
 Uninsured20.019.318.920.37.56.96.97.4
One or more emergency department visitsTwo or more emergency department visits
Characteristic19972000200620071997200020062007
Health insurance status prior to interview6,7Percent of adults with emergency department visits1
18–64 years:
 Insured continuously all 12 months18.319.019.118.95.86.16.76.7
 Uninsured for any period up to 12 months25.528.227.426.49.410.311.811.6
 Uninsured more than 12 months18.917.317.419.67.16.46.36.9
Percent of poverty level and health insurance status prior to interview 5,6,7
18–64 years:
 Below 100%:
  Insured continuously all 12 months30.231.629.632.014.715.414.315.6
  Uninsured for any period up to 12 months34.143.739.533.116.118.121.919.6
  Uninsured more than 12 months20.820.519.423.58.19.18.27.4
 100%–less than 200%:
  Insured continuously all 12 months24.525.525.624.18.910.211.811.2
  Uninsured for any period up to 12 months28.727.727.232.612.311.712.614.9
  Uninsured more than 12 months19.017.416.818.98.36.45.87.2
 200% or more:
  Insured continuously all 12 months16.017.016.816.74.44.74.95.0
  Uninsured for any period up to 12 months20.222.922.821.65.37.07.37.4
  Uninsured more than 12 months17.415.616.718.05.34.75.36.6
Geographic region3
Northeast19.520.022.421.26.96.28.97.6
Midwest19.320.120.620.16.26.97.37.5
South20.921.221.020.87.37.67.77.6
West17.718.618.118.56.06.35.96.7
Location of residence3
Within MSA819.119.620.119.76.46.67.37.1
Outside MSA821.522.522.622.97.87.88.29.1
*

Estimates are considered unreliable. Data preceded by an asterisk have a relative standard error (RSE) of 20%–30%. Data not shown have an RSE of greater than 30%.

- - - Data not available.

1

See Appendix II, Emergency department visit.

2

Includes all other races not shown separately and unknown health insurance status.

3

Estimates are for persons 18 years of age and over and are age-adjusted to the year 2000 standard population using five age groups: 18–44 years, 45–54 years, 55–64 years, 65–74 years, and 75 years and over. See Appendix II, Age adjustment.

4

The race groups, white, black, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, and 2 or more races, include persons of Hispanic and non-Hispanic origin. Persons of Hispanic origin may be of any race. Starting with 1999 data, race-specific estimates are tabulated according to the 1997 Revisions to the Standards for the Classification of Federal Data on Race and Ethnicity and are not strictly comparable with estimates for earlier years. The five single-race categories plus multiple-race categories shown in the table conform to the 1997 Standards. Starting with 1999 data, race-specific estimates are for persons who reported only one racial group; the category 2 or more races includes persons who reported more than one racial group. Prior to 1999, data were tabulated according to the 1977 Standards with four racial groups, and the Asian only category included Native Hawaiian or Other Pacific Islander. Estimates for single-race categories prior to 1999 included persons who reported one race or, if they reported more than one race, identified one race as best representing their race. Starting with 2003 data, race responses of other race and unspecified multiple race were treated as missing, and then race was imputed if these were the only race responses. Almost all persons with a race response of other race were of Hispanic origin. See Appendix II, Hispanic origin; Race.

5

Percent of poverty level is based on family income and family size and composition using U.S. Census Bureau poverty thresholds. Missing family income data were imputed for 26%–30% of persons 18 years of age and over in 1997–1998 and 32%–35% in 1999–2007. See Appendix II, Family income; Poverty.

6

Estimates for persons 18–64 years of age are age-adjusted to the year 2000 standard population using three age groups: 18–44 years, 45–54 years, and 55–64 years of age. See Appendix II, Age adjustment.

7

Health insurance categories are mutually exclusive. Persons who reported both Medicaid and private coverage are classified as having private coverage. Starting with 1997 data, state-sponsored health plan coverage is included as Medicaid coverage. Starting with 1999 data, coverage by the Children’s Health Insurance Program (CHIP) is included with Medicaid coverage. In addition to private and Medicaid, the insured category also includes military plans, other government-sponsored health plans, and Medicare, not shown separately. Persons not covered by private insurance, Medicaid, CHIP, state-sponsored or other government-sponsored health plans (starting in 1997), Medicare, or military plans are considered to have no health insurance coverage. Persons with only Indian Health Service coverage are considered to have no health insurance coverage. See Appendix II, Health insurance coverage.

8

MSA is metropolitan statistical area. Starting with 2006 data, MSA status is determined using 2000 census data and the 2000 standards for defining MSAs. For data prior to 2006, see Appendix II, Metropolitan statistical area (MSA) for the applicable standards.

NOTES: Standard errors are available in the spreadsheet version of this table. Available from: http://www​.cdc.gov/nchs/hus.htm. Data for additional years are available. See Appendix III.

SOURCE: CDC/NCHS, National Health Interview Survey, family core and sample adult questionnaires.

Estimates are considered unreliable. Data preceded by an asterisk have a relative standard error (RSE) of 20%–30%. Data not shown have an RSE of greater than 30%.

See Appendix II, Emergency department visit.

Includes all other races not shown separately and unknown health insurance status.

Estimates are for persons 18 years of age and over and are age-adjusted to the year 2000 standard population using five age groups: 18–44 years, 45–54 years, 55–64 years, 65–74 years, and 75 years and over. See Appendix II, Age adjustment.

The race groups, white, black, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, and 2 or more races, include persons of Hispanic and non-Hispanic origin. Persons of Hispanic origin may be of any race. Starting with 1999 data, race-specific estimates are tabulated according to the 1997 Revisions to the Standards for the Classification of Federal Data on Race and Ethnicity and are not strictly comparable with estimates for earlier years. The five single-race categories plus multiple-race categories shown in the table conform to the 1997 Standards. Starting with 1999 data, race-specific estimates are for persons who reported only one racial group; the category 2 or more races includes persons who reported more than one racial group. Prior to 1999, data were tabulated according to the 1977 Standards with four racial groups, and the Asian only category included Native Hawaiian or Other Pacific Islander. Estimates for single-race categories prior to 1999 included persons who reported one race or, if they reported more than one race, identified one race as best representing their race. Starting with 2003 data, race responses of other race and unspecified multiple race were treated as missing, and then race was imputed if these were the only race responses. Almost all persons with a race response of other race were of Hispanic origin. See Appendix II, Hispanic origin; Race.

Percent of poverty level is based on family income and family size and composition using U.S. Census Bureau poverty thresholds. Missing family income data were imputed for 26%–30% of persons 18 years of age and over in 1997–1998 and 32%–35% in 1999–2007. See Appendix II, Family income; Poverty.

Estimates for persons 18–64 years of age are age-adjusted to the year 2000 standard population using three age groups: 18–44 years, 45–54 years, and 55–64 years of age. See Appendix II, Age adjustment.

Health insurance categories are mutually exclusive. Persons who reported both Medicaid and private coverage are classified as having private coverage. Starting with 1997 data, state-sponsored health plan coverage is included as Medicaid coverage. Starting with 1999 data, coverage by the Children’s Health Insurance Program (CHIP) is included with Medicaid coverage. In addition to private and Medicaid, the insured category also includes military plans, other government-sponsored health plans, and Medicare, not shown separately. Persons not covered by private insurance, Medicaid, CHIP, state-sponsored or other government-sponsored health plans (starting in 1997), Medicare, or military plans are considered to have no health insurance coverage. Persons with only Indian Health Service coverage are considered to have no health insurance coverage. See Appendix II, Health insurance coverage.

MSA is metropolitan statistical area. Starting with 2006 data, MSA status is determined using 2000 census data and the 2000 standards for defining MSAs. For data prior to 2006, see Appendix II, Metropolitan statistical area (MSA) for the applicable standards.

From: Trend Tables

Cover of Health, United States, 2009
Health, United States, 2009: With Special Feature on Medical Technology.
National Center for Health Statistics (US) .
Hyattsville (MD): National Center for Health Statistics (US); 2010 Jan.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.