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. Author manuscript; available in PMC: 2015 Nov 30.
Published in final edited form as: Health Aff (Millwood). 2015 Jul;34(7):1180–1187. doi: 10.1377/hlthaff.2014.1204

Appendix Exhibit 2.

Simulated Medicaid Eligibility and Coverage in 2006 (in Millions) for Two Baseline Scenarios and Four Policy Options, Assuming 85% Participation Rate and 35% Administrative Disruption

Scenario Covered any
time in 2006
Average monthly
caseload in 2006
Covered all
months in 2006
Transitioning
into Medicaid
in 2006
Transitioning
from Medicaid
in 2006*
Leaving and re-
entering in
2006*
Number % Number % Number % Number % Number % Number %
Baseline Scenarios
(1) Perfect enforcement
 Persons eligible 59.7 32.8 40 22
 Persons covered 53.1 29.2 36.1 19.8 24.6 13.6 21.1 11.6 20.1 11 5.4 3
(2) Imperfect enforcement, with quarterly wage check and annual redetermination of eligibility
 Persons covered 57.1 31.4 40.8 22.4 22.1 12.2 24 13.2 25.5 14 10.9 6
Policy Options
Annualized income
 Persons covered 58.4 32.1 42.4 23.3 22.9 12.6 24.3 13.4 26.5 14.5 12.2 6.7
 Change from baseline (2) 1.4 0.7 1.6 0.9 0.8 0.4 0.3 0.2 1 0.5 1.3 0.7
3-month Extension
 Persons covered 57.4 31.6 42.1 23.1 23.4 12.9 24 13.2 24.7 13.6 11 6.1
 Change from baseline (2) 0.3 0.2 1.3 0.7 1.3 0.7 −0.1 0 −0.8 −0.4 0.2 0.1
End-of Year Extension
 Persons covered 57.1 31.4 46.8 25.7 38.5 21.1 15 8.2 5.4 3 1.8 1
 Change from baseline (2) 0 0 6 3.3 16.4 8.9 −9 −5 −20.1 −11 −9.1 −5
12-month Continuous Eligibility
 Persons covered 60.4 33.2 47.3 26 25.5 14 21.4 11.8 22.3 12.3 8.9 4.9
 Change from baseline (2) 3.3 1.8 6.5 3.6 3.4 1.8 −2.7 −1.4 −3.2 −1.7 −2 −1.1

Source: Authors’ simulation model using 2004–2007 SIPP Panel. Notes: Denominator for all percentages is the weighted estimate of the U.S. population of adults under age 65 (181.877 million). Counts of people transitioning into Medicaid, transitioning from Medicaid, and re-entering are not mutually exclusive.

*

Includes people covered in December 2005 who disenrolled in January 2006.