Evaluation of the Ticket To Work Program - Mathematica Policy ...

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Exhibit I.1. Populations and Time Periods Covered by Databases Used in the Evaluation
Database Population Time Period Covered
Ticket Research
File
TTW
Participation
Ticket Payment
Data
National
Beneficiary
Survey (NBS)
Process
Analysis
I: Introduction
All disability beneficiaries who
received a benefit at some time
between January 1996 and
October 2004
All beneficiaries who have
assigned a Ticket
Beneficiaries who have received
milestone and outcome
payments made to ENs or
SVRAs (total number of
payments)
Representative sample of
disability beneficiaries age
18 to 65
Representative sample of
beneficiaries who assigned their
Tickets
Selected representatives of SSA,
the PM, ENs, SVRAs, and other
federal agencies with programs
that interact with TTW
Impact Analysis All TTW-eligible beneficiaries
who received benefits for the
entire year prior to the start of
TTW and were under 57 years
old
Approximate
Number of
Individuals
January 1994 to December 2004 17,000,000
Start of TTW (February 2002)
through May 2005 (because of
lags in processing Ticket
assignments, these data
accurately capture enrollment
though December 2004)
Start of TTW (February 2002)
through July 2005
Status in 2004 (at time of
interview) and TTW experience
in 2003
Interviews conducted June-
August 2005 (focus on Phase 3
rollout and current operations)
1997-2003 (for the early cohort,
2003 is the first year following
the year in which they were
mailed a Ticket); analysis
excludes new beneficiaries who
came onto the rolls after TTW
started
84,000
1,300
individuals
(encompassing
7,800
payments)
6,500
1,100
50
4,700,000