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Validation of Two Federal Health Insurance Survey Modules After Affordable Care Act Implementation

Author

Listed:
  • Pascale Joanne

    (U.S. Census Bureau, 4600 Silver Hill Road, Suitland, MD 20233. U.S.A.)

  • Fertig Angela

    (University of Minnesota, Humphrey School of Public Affairs, 130 Humphrey School, 301 19th Ave S, Minneapolis, 55455, U.S.A.)

  • Call Kathleen

    (State Health Access Data Assistance Center, 2221 University Ave SE #345, Minneapolis, MN 55414. U.S.A.)

Abstract

This study randomized a sample of households covered by one large health plan to two different surveys on health insurance coverage and matched person-level survey reports to enrollment records. The goal was to compare accuracy of coverage type and uninsured estimates produced by the health insurance modules from two major federal surveys – the redesigned Current Population Survey Annual Social and Economic Supplement (CPS) and the American Community Survey (ACS) – after implementation of the Affordable Care Act. The sample was stratified by coverage type, including two types of public coverage (Medicaid and a state-sponsored program) and three types of private coverage (employer-sponsored, non-group, and marketplace plans). Consistent with previous studies, accurate reporting of private coverage is higher than public coverage. Generally, misreporting the wrong type of coverage is more likely than incorrectly reporting no coverage; the CPS module overestimated the uninsured by 1.9 and the ACS module by 3.5 percentage points. Other differences in accuracy metrics between the CPS and ACS are relatively small, suggesting that reporting accuracy should not be a factor in decisions about which source of survey data to use. Results consistently indicate that the Medicaid undercount has been substantially reduced with the redesigned CPS.

Suggested Citation

  • Pascale Joanne & Fertig Angela & Call Kathleen, 2019. "Validation of Two Federal Health Insurance Survey Modules After Affordable Care Act Implementation," Journal of Official Statistics, Sciendo, vol. 35(2), pages 409-460, June.
    • Handle: RePEc:vrs:offsta:v:35:y:2019:i:2:p:409-460:n:6
    DOI: 10.2478/jos-2019-0019
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    References listed on IDEAS

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    1. repec:mpr:mprres:1909 is not listed on IDEAS
    2. Nelson, D.E. & Thompson, B.L. & Davenport, N.J. & Penaloza, L.J., 2000. "What people really know about their health insurance: A comparison of information obtained from individuals and their insurers," American Journal of Public Health, American Public Health Association, vol. 90(6), pages 924-928.
    3. Margo Rosenbach & Kimball Lewis, 1998. "Estimates of Health Insurance Coverage in the Community Tracking Study and the Current Population Survey," Mathematica Policy Research Reports ec1d933394054a4eb7bc2c386, Mathematica Policy Research.
    4. repec:mpr:mprres:2527 is not listed on IDEAS
    5. repec:mpr:mprres:2479 is not listed on IDEAS
    6. Todd Eberly & Mary Pohl & Stacey Davis, 2009. "Undercounting Medicaid Enrollment in Maryland: Testing the Accuracy of the Current Population Survey," Population Research and Policy Review, Springer;Southern Demographic Association (SDA), vol. 28(2), pages 221-236, April.
    Full references (including those not matched with items on IDEAS)

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