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Survey of Program Dynamics (SPD) Second Longitudinal File: Data Years 1992, 1993, 1994, 1996, 1997, 1998, and 1999 (ICPSR 3594)
Principal Investigator(s): United States Department of Commerce. Bureau of the Census
The Survey of Program Dynamics (SPD) Second Longitudinal File is a fully edited file that provides socioeconomic data for the calendar years 1992-1999, except 1995. It is intended for longitudinal analyses of effects of welfare reform on individuals, families, and households. The file can be linked to the Survey of Program Dynamics (SPD) First Longitudinal File (ICPSR 3315), SPD 1997 Bridge (ICPSR 2797), SPD 1998 (ICPSR 2917), and the SIPP panel files for 1992 (ICPSR 6429) and 1993 (ICPSR 6886). The subject matter is described as follows: demographic data (age, sex, ethnic origin, marital status, household relationship, education, and veteran status), economic data (work experience, employment status, occupation, industry, weeks worked and hours per week worked, total income, and income components for people 15 years and older), income data (income from jobs, net income from business, farm or rent, pensions, dividends, interest, and Social Security payments), and data covering noncash income sources (food stamps, school lunch program, employer-provided group health insurance plan, employer-provided pension plans, Medicaid, Medicare, CHAMPUS or military health care, and energy assistance). The file contains codes for 41 individual states, plus the District of Columbia. The SPD sample in the nine remaining states is identified in three groups for confidentiality reasons. The three groups are as follows: Maine and Vermont, Iowa, North Dakota, and South Dakota, and Alaska, Idaho, Montana, and Wyoming. The sample is not designed to produce state estimates.
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U.S. Dept. of Commerce, Bureau of the Census. SURVEY OF PROGRAM DYNAMICS (SPD) SECOND LONGITUDINAL FILE: DATA YEARS 1992, 1993, 1994, 1996, 1997, 1998, and 1999. ICPSR version. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census [producer], 2002. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2003. http://doi.org/10.3886/ICPSR03594.v1
Persistent URL: http://doi.org/10.3886/ICPSR03594.v1
Scope of Study
Subject Terms: demographic characteristics, economic behavior, employee benefits, employment, income, job history, occupations, personal finances, public assistance programs, socioeconomic status, unemployment, welfare reform, welfare services, work experience
Geographic Coverage: United States
Date of Collection:
Universe: The universe consists of people who resided in the United States, except people living in institutions, such as prisons and nursing homes or entire military households, in March 1992 and/or March 1993. The universe is represented by original sample persons from the 1992 and 1993 Survey of Income and Program Participation (SIPP) panels, except those who were subsampled out because of cost constraints or leaving the universe before the 1998 interview.
Data Types: survey data
Data Collection Notes:
The database dictionary is provided as an ASCII text file, and the codebook, which is now available in five volumes, was provided by the data producer as a Portable Document Format (PDF) file. The PDF file format was developed by Adobe Systems Incorporated and can be accessed using PDF reader software, such as the Adobe Acrobat Reader. Information on how to obtain a copy of the Acrobat Reader is provided on the ICPSR Web site.
Sample: The Survey of Program Dynamics (SPD), 1997: Bridge Survey (ICPSR 2797) interviewed approximately 29,619 households from retired 1992 and 1993 Survey in Income and Program Participation (SIPP) panels, which were scientifically selected on the basis of area of residence to represent the nation as a whole. For the SPD 1998 (ICPSR 2917), from the households interviewed in 1997, a subsample of 19,129 households was selected for the continuing sample. Low-income households and households with children were selected with certainty or near certainty. Middle- and high-income households without children had a 1-in-4 chance of being selected for the sample.
Original ICPSR Release: 2003-05-09
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