«Agency for Healthcare Research and Quality Center for Financing, Access, and Cost Trends 540 Gaither Road Rockville, MD 20850 (301) 427-1406 Table of ...»
2011 Full Year
Consolidated Data File
Agency for Healthcare Research and Quality
Center for Financing, Access, and Cost Trends
540 Gaither Road
Rockville, MD 20850
Table of Contents
A Data Use Agreement
1.0 Household Component
2.0 Medical Provider Component
3.0 Survey Management and Data Collection
C Technical and Programming Information
1.0 General Information
2.0 Data File Information
2.1 Codebook Structure
2.2 Reserved Codes
2.3 Codebook Format
2.4 Variable Naming
2.5 File Contents
2.5.1 Survey Administration Variables (DUIDRURSLT53)
2.5.2 Navigating the MEPS Data with Information on Person Disposition Status.......... C-14 2.5.3 Demographic Variables (AGE31XDAPID53X)
2.5.4 Income and Tax Filing Variables (SSIDIS11HIEUIDX)
184.108.40.206 Income Top-Coding
220.127.116.11 Poverty Status
2.5.5 Person-Level Condition Variables (RTHLTH31ADHDAGED)
2.5.7 Disability Days Indicator Variables (DDNWRK31-OTHNDD53)
2.5.8 Access to Care Variables (ACCELI42PMDLPR42)
2.5.9 Employment Variables (EMPST31YNOINS53)
2.5.10 Health Insurance Variables (TRIJA11XRTPLNT42)
2.5.12 Changes in Variable List
2.6 Linking to Other Files
2.6.1 Event and Condition Files
2.6.2 National Health Interview Survey
2.6.3 Longitudinal Analysis
3.0 Survey Sample Information
3.1 Background on Sample Design and Response Rates........ C-118
D. Variable-Source Crosswalk
Appendix 1: Summary of Utilization and Expenditure Variables by Health Service Category
Individual identifiers have been removed from the micro-data contained in these files.
Nevertheless, under sections 308 (d) and 903 (c) of the Public Health Service Act (42 U.S.C.
242m and 42 U.S.C. 299 a-1), data collected by the Agency for Healthcare Research and Quality (AHRQ) and/or the National Center for Health Statistics (NCHS) may not be used for any purpose other than for the purpose for which they were supplied; any effort to determine the identity of any reported cases is prohibited by law.
Therefore in accordance with the above referenced Federal Statute, it is understood that:
2. If the identity of any person or establishment should be discovered inadvertently, then (a) no use will be made of this knowledge, (b) the Director Office of Management AHRQ will be advised of this incident, (c) the information that would identify any individual or establishment will be safeguarded or destroyed, as requested by AHRQ, and (d) no one else will be informed of the discovered identity;
3. No one will attempt to link this data set with individually identifiable records from any data sets other than the Medical Expenditure Panel Survey or the National Health Interview Survey.
By using these data you signify your agreement to comply with the above stated statutorily based requirements with the knowledge that deliberately making a false statement in any matter within the jurisdiction of any department or agency of the Federal Government violates Title 18 part 1 Chapter 47 Section 1001 and is punishable by a fine of up to $10,000 or up to 5 years in prison.
The Agency for Healthcare Research and Quality requests that users cite AHRQ and the Medical Expenditure Panel Survey as the data source in any publications or research based upon these data.
The Medical Expenditure Panel Survey (MEPS) provides nationally representative estimates of health care use, expenditures, sources of payment, and health insurance coverage for the U.S.
civilian noninstitutionalized population. The MEPS Household Component (HC) also provides estimates of respondents’ health status, demographic and socio-economic characteristics, employment, access to care, and satisfaction with health care. Estimates can be produced for individuals, families, and selected population subgroups. The panel design of the survey, which includes 5 Rounds of interviews covering 2 full calendar years, provides data for examining person level changes in selected variables such as expenditures, health insurance coverage, and health status. Using computer assisted personal interviewing (CAPI) technology, information about each household member is collected, and the survey builds on this information from interview to interview. All data for a sampled household are reported by a single household respondent.
The MEPS-HC was initiated in 1996. Each year a new panel of sample households is selected.
Because the data collected are comparable to those from earlier medical expenditure surveys conducted in 1977 and 1987, it is possible to analyze long-term trends. Each annual MEPS-HC sample size is about 15,000 households. Data can be analyzed at either the person or event level.
Data must be weighted to produce national estimates.
The set of households selected for each panel of the MEPS HC is a subsample of households participating in the previous year’s National Health Interview Survey (NHIS) conducted by the National Center for Health Statistics. The NHIS sampling frame provides a nationally representative sample of the U.S. civilian noninstitutionalized population and reflects an oversample of Blacks and Hispanics. In 2006, the NHIS implemented a new sample design, which included Asian persons in addition to households with Black and Hispanic persons in the oversampling of minority populations. MEPS further oversamples additional policy relevant subgroups such as low income households. The linkage of the MEPS to the previous year’s NHIS provides additional data for longitudinal analytic purposes.
2.0 Medical Provider Component
Upon completion of the household CAPI interview and obtaining permission from the household survey respondents, a sample of medical providers are contacted by telephone to obtain information that household respondents can not accurately provide. This part of the MEPS is called the Medical Provider Component (MPC) and information is collected on dates of visits, diagnosis and procedure codes, charges and payments. The Pharmacy Component (PC), a subcomponent of the MPC, does not collect charges or diagnosis and procedure codes but does collect drug detail information, including National Drug Code (NDC) and medicine name, as well as date filled and sources and amounts of payment. The MPC is not designed to yield national estimates. It is primarily used as an imputation source to supplement/replace household reported expenditure information.
B-1 MEPS HC-147 3.0 Survey Management and Data Collection MEPS HC and MPC data are collected under the authority of the Public Health Service Act.
Data are collected under contract with Westat, Inc. (MEPS HC) and Research Triangle Institute (MEPS MPC). Data sets and summary statistics are edited and published in accordance with the confidentiality provisions of the Public Health Service Act and the Privacy Act. The National Center for Health statistics (NCHS) provides consultation and technical assistance.
As soon as data collection and editing are completed, the MEPS survey data are released to the
public in staged releases of summary reports, micro data files, and tables via the MEPS Web site:
meps.ahrq.gov. Selected data can be analyzed through MEPSnet, an on-line interactive tool designed to give data users the capability to statistically analyze MEPS data in a menu-driven environment.
Additional information on MEPS is available from the MEPS project manager or the MEPS public use data manager at the Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality, 540 Gaither Road, Rockville, MD 20850 (301-427-1406).
This documentation describes the 2011 full-year consolidated data file from the Medical Expenditure Panel Survey Household Component (MEPS HC). Released as an ASCII file (with related SAS, Stata, and SPSS programming statements and data user information) and a SAS transport dataset, this public use file provides information collected on a nationally representative sample of the civilian noninstitutionalized population of the United States for calendar year 2011. The file contains 2,052 variables and has a logical record length of 5,773 with an additional 2-byte carriage return/line feed at the end of each record.
This file consists of MEPS survey data obtained in Rounds 3, 4, and 5 of Panel 15 and Rounds 1, 2, and 3 of Panel 16, the rounds for the MEPS panels covering calendar year 2011, and contains variables pertaining to survey administration, demographics, income, person-level conditions, health status, disability days, quality of care, employment, health insurance, patient satisfaction, and person-level medical care use and expenditures.
The following documentation offers a brief overview of the types and levels of data provided, content and structure of the files, and programming information. It contains the following
Both weighted and unweighted frequencies of all the variables included in the 2011 full-year population characteristics data file are provided in the accompanying codebook file.
A database of all MEPS products released to date and a variable locator indicating the major MEPS data items on public use files that have been released to date can be found at the following link on the MEPS Web site: meps.ahrq.gov.
This public use dataset contains variables and frequency distributions associated with 35,313 persons who participated in the MEPS Household Component of the Medical Expenditure Panel Survey in 2011. These persons received a positive person-level weight, a family-level weight, or both (some participating persons belonged to families characterized as family-level nonrespondents while some members of participating families were not eligible for a personlevel weight).
These 35,313 persons were part of one of the two MEPS panels for whom data were collected in 2011: Rounds 3, 4, and 5 of Panel 15 or Rounds 1, 2, and 3 of Panel 16. Of these persons, 33,622 were assigned a positive person-level weight. There were 13,449 families receiving a positive family-level weight. The codebook provides both weighted and unweighted frequencies for each variable on the dataset. In conjunction with the person-level weight variable (PERWT11F)
In general, variable names reflect the content of the variable, with an eight-character limitation.
Edited variables end in an X and are so noted in the variable label. The last two characters in round-specific variables denote the rounds of data collection, Round 3, 4, or 5 of Panel 15 and Round 1, 2, or 3 of Panel 16. Unless otherwise noted, variables that end in “11” represent status as of December 31, 2011.
Variables contained in this delivery were derived either from the questionnaire itself or from the CAPI. The source of each variable is identified in the section of the documentation entitled “Section D. Variable-Source Crosswalk.” Sources for each variable are indicated in one of four ways: (1) variables derived from CAPI or assigned in sampling are so indicated; (2) variables derived from complex algorithms associated with reenumeration are labeled “RE Section”;
(3) variables that are collected by one or more specific questions in the instrument have those question numbers listed in the Source column; and (4) variables constructed from multiple questions using complex algorithms are labeled “Constructed.”
2.5 File Contents
Users of MEPS data should be aware that the survey collects data for all sample persons who were in the survey target population at any time during the survey period. In other words, a small proportion of individuals in MEPS analytic files are not members of the survey target population (i.e., civilian noninstitutionalized) for the entire survey period. These persons include those who had periods during which they lived in an institution (e.g., nursing home or prison), were in the military, or lived out of the country, as well as those who were born (or adopted) into MEPS sample households or died during the year. They are considered sample persons for the survey and are included in MEPS data files with positive person weights, but no data were collected for the periods they were not inscope and their annual data for variables like health care utilization, expenditures, and insurance coverage reflect only the part of the year they were inscope for the survey. Persons who are inscope for only part of the year should not be confused with nonrespondents. Sample persons who are classified as non-respondents to one or more rounds of data collection (i.e., initial non-respondents and drop-outs over time) are not included in MEPS C-3 MEPS HC-147 annual files, and survey weights for full-year respondents are inflated through statistical adjustment procedures to compensate for both full and part-year nonresponse (see Section 3.0 “Survey Sample Information” for more information). For more details about the identification and analytic considerations regarding sample persons who are inscope only part of the year, see meps.ahrq.gov/about_meps/hc_sample.shtml.
2.5.1 Survey Administration Variables (DUID-RURSLT53)