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STATISTICAL BRIEF #464:
The Long-Term Uninsured in America, 2009-2012 (Selected Intervals): Estimates for the U.S. Civilian Noninstitutionalized Population under Age 65

December 2014

Jeffrey A. Rhoades, PhD and Steven B. Cohen, PhD

Highlights

Approximately 22.2 million people, 8.3 percent of the population under age 65, were uninsured for the four-year period from 2009 through 2012. The percentage of long-term uninsured exceeded 10 percent for adults ages 25 to 54.
Adults ages 25 to 29 were the most likely to be uninsured for at least one month (52.2 percent) during 2011–2012. Children under age 18 were the least likely to be uninsured for the full four-year period from 2009-2012 (1.7 percent).
Individuals reported to be in excellent health status were the least likely to be uninsured for at least one month during 2011–2012 (27.3 percent).
Hispanics were most likely to be uninsured for at least one month during 2011–2012 (45.5 percent) and for the entire period of 2009–2012 (18.8 percent).
Hispanics were disproportionately represented among the long-term uninsured. While they represented 18.5 percent of the population under age 65, they comprised 42.2 percent of the long-term uninsured for 2009-2012.
Individuals who were poor, near poor, and low income were represented disproportionately among the long-term uninsured. While poor individuals represented 17.5 percent of the population under age 65, they represented 27.2 percent of those uninsured for the entire period of 2009–2012.

Introduction

Estimates of the health insurance status of the U.S. civilian noninstitutionalized population are critical to policymakers and others concerned with access to medical care and the cost and quality of that care. Health insurance helps people get timely access to medical care and protects them against the risk of expensive and unanticipated medical events. When estimating the size of the uninsured population, it is important to consider the distinction between those uninsured for short periods of time and those who are uninsured for several years.

Using information from the Household Component of the Medical Expenditure Panel Survey (MEPS-HC) for 2011 and 2012, this Statistical Brief provides detailed estimates for the U.S. civilian noninstitutionalized non-elderly (under age 65) population that was uninsured for the entire 2009–2012 period and identifies groups most at risk of lacking any coverage during that four-year period. The inclusion of questions in MEPS to determine health insurance coverage profiles for the period covering 2011 and 2012, in concert with information on health insurance profiles from the National Health Interview Survey for 2010, facilitated these analyses of extended longitudinal profiles. All differences between estimates discussed in the text are statistically significant at the 0.05 level unless otherwise noted.

Findings

According to the MEPS-HC for 2011 and 2012, 31.4 percent (84.3 million people, estimate not shown) of the under-65 population was uninsured for at least one month during the two-year period (calendar years 2011 and 2012), and 11.7 percent (31.3 million people, estimate not shown) was uninsured for the entire two-year period. Approximately 7 out of 10 of those individuals lacking coverage for all of 2011–2012 were also without coverage for the entire prior 2009–2010 two-year period. This translates to 8.3 percent (22.2 million people, estimate not shown) of the total population under age 65 being uninsured for the entire four-year period from 2009 through 2012.

The age group 25 to 29 was the most likely to be uninsured for at least one month during 2011–2012. For persons in this age group, 52.2 percent were uninsured for at least one month or more (figure 1). Children less than 18 years old were the least likely to be continuously uninsured for the full two-year period from 2011 to 2012 as well as for the entire 2009–2012 four-year period. Only 1.7 percent of children less than 18 years old were uninsured for the entire 2009–2012 four-year period.

Individuals reported to be in excellent health status were the least likely to be uninsured for some time during 2011–2012. For those in excellent health, 27.3 percent were uninsured at least one month (figure 2). Three-fourths of the 14.8 percent of individuals in fair or poor health lacking coverage for all of 2011–2012 were also without coverage for the entire four-year period from 2009 to 2012. This translates to 11.1 percent of the total population under age 65 in fair or poor health being uninsured for the entire 2009–2012 four-year period.

Among people under age 65, Hispanics were substantially more likely than black non-Hispanics single race, white non-Hispanics single race, Asian or Pacific Islander non-Hispanics single race, or other single race/multiple race non-Hispanics to lack health insurance during the time intervals under consideration. Among Hispanics under age 65, 45.5 percent were uninsured for at least one month, while 23.1 percent were uninsured for the entire 2011–2012 two-year period (figure 3). Approximately 8 in 10 Hispanics lacking coverage for all of 2011–2012 were also without coverage for the entire prior four-year period from 2009 to 2012. This translates to 18.8 percent of the total Hispanic population under age 65 being uninsured for the entire 2009–2012 four-year period.

Hispanics were represented disproportionately among the long-term uninsured. While Hispanics represented 18.5 percent of the population under age 65, they represented 42.2 percent of the long-term uninsured for the period 2009–2012 (figure 4). Conversely, while white non-Hispanics single race represented 61.3 percent of the under-65 population, they represented only 40.1 percent of the long-term uninsured for the period 2009–2012.

Individuals who were poor (i.e., persons in families with income equal to the poverty line or less), near poor, and low income were represented disproportionately among the long-term uninsured. While poor individuals represented 17.5 percent of the population under age 65, they represented 27.2 percent of those uninsured for the entire 2009–2012 four-year period (figure 5). Conversely, individuals with high incomes (i.e., persons in families with income over 400 percent of the poverty line) represented 32.8 percent of the population under age 65 but accounted for only 10.5 percent of those uninsured for the entire 2009–2012 four-year period.

Data Source

The estimates shown in this Statistical Brief are drawn from analyses conducted by the MEPS staff from the following MEPS public use files: 2011 Full Year Consolidated Data File (HC-147); 2012 Full Year Consolidated Data File (HC-155); and the MEPS Panel 16 Longitudinal Data File (HC-156). In addition, linkage of the MEPS sample to the 2010 National Health Interview Survey was undertaken for this Statistical Brief.

Definitions

Population covered
Persons included in this analysis were present for the entire two-year reference period, 2011–2012.

Uninsured
People who were covered only by non-comprehensive state-specific programs (e.g., Maryland Kidney Disease Program) or private single service plans (e.g., coverage for dental or vision care only, coverage for accidents or specific diseases) were considered to be uninsured. Linkage was established with the 2010 National Health Interview Survey in order to determine health insurance status for 2011 MEPS sample persons over the 2009–2012 four-year period.

Age
Age was defined as age at the end of 2011.

Race/ethnicity
Classification by race/ethnicity was based on information reported for each family member. Respondents were asked if each family member’s race was best described as American Indian, Alaska Native, Asian or Pacific Islander, black, white, or other. They also were asked if each family member’s main national origin or ancestry was Puerto Rican; Cuban; Mexican, Mexicano, Mexican American, or Chicano; other Latin American; or other Spanish. All persons whose main national origin or ancestry was reported in one of these Hispanic groups, regardless of racial background, were classified as Hispanic. Since the Hispanic grouping can include black Hispanic, white Hispanic, Asian and Pacific Islanders Hispanic, and other Hispanic, the race categories of black, white, Asian and Pacific Islanders, and other do not include Hispanic. MEPS respondents who reported other single or multiple races and were non-Hispanic were included in the other category. For this analysis, the following classification by race and ethnicity was used: Hispanic (of any race), non-Hispanic blacks, non-Hispanic whites, non-Hispanic Asians and Pacific Islanders, and non-Hispanic others.

Poverty status
Sample persons were classified according to the total yearly income of their family. Within a household, all people related by blood, marriage, or adoption were considered to be a family. Poverty status categories are defined by the ratio of family income to the federal income thresholds, which control for family size and age of the head of family. Poverty status was based on annual income in 2011.

Poverty status categories are defined as follows:

Poor: Persons in families with income less than or equal to the poverty line, including those who had negative income.
Near poor: Persons in families with income over the poverty line through 125 percent of the poverty line.
Low income: Persons in families with income over 125 percent through 200 percent of the poverty line.
Middle income: Persons in families with income over 200 percent through 400 percent of the poverty line.
High income: Persons in families with income over 400 percent of the poverty line.

Health status
In every round, the respondent was asked the following question to rate the health of every member of the family: “In general, compared to other people of (PERSON)’s age, would you say that (PERSON)’s health is excellent, very good, good, fair, or poor?” Health status was based on the most recent value in 2011. For this Brief, the response categories “fair” and “poor” were collapsed.

About MEPS-HC

MEPS-HC is a nationally representative longitudinal survey that collects detailed information on health care utilization and expenditures, health insurance, and health status, as well as a wide variety of social, demographic, and economic characteristics for the U.S. civilian noninstitutionalized population. It is cosponsored by the Agency for Healthcare Research and Quality and the National Center for Health Statistics.

For more information about MEPS, call the MEPS information coordinator at AHRQ (301-427-1406) or visit the MEPS Web site at http://www.meps.ahrq.gov/.

References

For a detailed description of the MEPS-HC survey design, sample design, and methods used to minimize sources of nonsampling error, see the following publications:

Cohen, J. Design and Methods of the Medical Expenditure Panel Survey Household Component. MEPS Methodology Report No. 1. AHCPR Pub. No. 97-0026. Rockville, MD: Agency for Health Care Policy and Research, 1997. http://www.meps.ahrq.gov/mepsweb/data_files/publications/mr1/mr1.shtml

Cohen, S. Sample Design of the 1996 Medical Expenditure Panel Survey Household Component. MEPS Methodology Report No. 2. AHCPR Pub. No. 97-0027. Rockville, MD: Agency for Health Care Policy and Research, 1997. http://www.meps.ahrq.gov/mepsweb/data_files/publications/mr2/mr2.shtml

Cohen, S. Design Strategies and Innovations in the Medical Expenditure Panel Survey. Medical Care, July 2003: 41(7) Supplement: III-5–III-12.

Cohen, S. and Rhoades, J. Estimation of the long term uninsured in the Medical Expenditure Panel Survey. Journal of Economic and Social Measurement, 32 (2007): 235–249.

Ezzati-Rice, T.M., Rohde, F., Greenblatt, J. Sample Design of the Medical Expenditure Panel Survey Household Component, 1998–2007. Methodology Report No. 22. March 2008. Agency for Healthcare Research and Quality, Rockville, MD. http://www.meps.ahrq.gov/mepsweb/data_files/publications/mr22/mr22.shtml

Suggested Citation

Rhoades, J. and Cohen, S. The Long-Term Uninsured in America, 2009–2012 (Selected Intervals): Estimates for the U.S. Civilian Noninstitutionalized Population under Age 65. Statistical Brief #464. December 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://www.meps.ahrq.gov/mepsweb/data_files/publications/st464/stat464.shtml

* * *
AHRQ welcomes questions and comments from readers of this publication who are interested in obtaining more information about access, cost, use, financing, and quality of health care in the United States. We also invite you to tell us how you are using this Statistical Brief and other MEPS data and tools and to share suggestions on how MEPS products might be enhanced to further meet your needs. Please email us at MEPSProjectDirector@ahrq.hhs.gov or send a letter to the address below:

Steven B. Cohen, PhD, Director
Center for Financing, Access, and Cost Trends
Agency for Healthcare Research and Quality
540 Gaither Road
Rockville, MD 20850

Figure data for accessible table follows the image

Figure 1. Percentage uninsured by age, U.S. civilian noninstitutionalized population under age 65, 2009-2012 (selected intervals)
	Total	Under age 18	Ages 18-24	Ages 25-29	Ages 30-34	Ages 35-54	Ages 55-64
Uninsured at least 1 month 2011-12	31.4%	19.9%	46.3%	52.2%	38.0%	31.9%	25.6%
Uninsured 2 years 2011-12	11.7%	3.0%	15.3%	21.5%	15.8%	15.0%	10.6%
Uninsured 4 years 2009-12	8.3%	1.7%	9.7%	15.8%	11.8%	11.4%	7.0%
Source: Center for Financing, Access, and Cost Trends, AHRQ, Household Component of the Medical Expenditure Panel Survey, HC-147 (2011), HC-155 (2012), and HC-156 (Panel 16)

Figure 2. Percentage uninsured by health status, U.S. civilian noninstitutionalized population under age 65, 2009-2012 (selected intervals)
	Excellent	Very good	Good	Fair/Poor
Uninsured at least 1 month 2011-12	27.3%	31.5%	35.4%	36.1%
Uninsured 2 years 2011-12	9.0%	11.2%	15.0%	14.8%
Uninsured 4 years 2009-12	6.1%	7.9%	10.8%	11.1%
Source: Center for Financing, Access, and Cost Trends, AHRQ, Household Component of the Medical Expenditure Panel Survey, HC-147 (2011), HC-155 (2012), and HC-156 (Panel 16)

Figure 3. Percentage uninsured by race/ethnicity, U.S. civilian noninstitutionalized population under age 65, 2009-2012 (selected intervals)
	Hispanic	Black non-Hispanic single race	White non-Hispanic single race	Asian or Pacific Islanders non-Hispanic single race	Other single race/multiple race non-Hispanic
Uninsured at least 1 month 2011-12	45.5%	37.0%	25.7%	33.3%	32.9%
Uninsured 2 years 2011-12	23.1%	12.6%	8.2%	10.2%	8.8%
Uninsured 4 years 2009-12	18.8%	8.1%	5.4%	6.1%	4.9%
Source: Center for Financing, Access, and Cost Trends, AHRQ, Household Component of the Medical Expenditure Panel Survey, HC-147 (2011), HC-155 (2012), and HC-156 (Panel 16)

Figure 4. Distribution of population by health insurance status and race/ethnicity, U.S. civilian noninstitutionalized population under age 65, 2009-2012 (selected intervals)
	Population under 65	Uninsured 2 years 2011-2012	Uninsured 2011-2012 and covered for at least part of 2009-2010	Uninsured 4 years 2009-2012
Hispanic	18.5%	36.7%	23.5%	42.2%
Non-Hispanic black	12.6%	13.6%	16.6%	12.4%
Non-Hispanic white	61.3%	43.3%	51.0%	40.1%
Non-Hispanic Asian, Pacific Islander	5.3%	4.7%	6.4%	3.9%
Non-Hispanic other	2.3%	1.7%	2.6%	1.4%
Source: Center for Financing, Access, and Cost Trends, AHRQ, Household Component of the Medical Expenditure Panel Survey, HC-147 (2011), HC-155 (2012), and HC-156 (Panel 16)

Figure 5. Distribution of population by health insurance status and poverty status, U.S. civilian noninstitutionalized population under age 65, 2009-2012 (selected intervals)
	Population under 65	Uninsured 2 years 2011-2012	Uninsured 2011-2012 and covered for at least part of 2009-2010	Uninsured 4 years 2009-2012
Poor	17.5%	26.4%	24.4%	27.2%
Near poor	4.3%	8.1%	7.0%	8.5%
Low income	14.7%	25.7%	19.5%	28.2%
Middle income	30.6%	28.4%	35.5%	25.5%
High income	32.8%	11.4%	13.7%	10.5%
Source: Center for Financing, Access, and Cost Trends, AHRQ, Household Component of the Medical Expenditure Panel Survey, HC-147 (2011), HC-155 (2012), and HC-156 (Panel 16)

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STATISTICAL BRIEF #464: The Long-Term Uninsured in America, 2009-2012 (Selected Intervals): Estimates for the U.S. Civilian Noninstitutionalized Population under Age 65