This study is maintained and distributed by the National Archive of Computerized Data on Aging (NACDA), the aging program within ICPSR. NACDA is sponsored by the National Institute on Aging (NIA) at the National Institutes of Heath (NIH).
Principal Investigator(s): United States Department of Commerce. Bureau of the Census
This data collection is part of a longitudinal survey designed to provide detailed information on the economic situation of households and persons in the United States. These data examine the distribution of income, wealth, and poverty in American society and gauge the effects of federal and state programs on the well-being of families and individuals.
There are three basic elements contained in the survey. The first is a control card that records basic social and demographic characteristics for each person in a household, as well as changes in such characteristics over the course of the interviewing period. These include age, sex, race, ethnic origin, marital status, household relationship, education, and veteran status. Limited data are provided on housing unit characteristics such as units in structure, tenure, access, and complete kitchen facilities. The second element is the core portion of the questionnaire, with questions repeated at each interview on labor force activity, types and amounts of income, and participation in various cash and noncash benefit programs for each month of the four- month reference period. Data for employed persons include number of hours and weeks worked, earnings, and weeks without a job. Nonworkers are classified as unemployed or not in the labor force. In addition to providing income data associated with labor force activity, the core questions cover nearly 50 other types of income. Core data also include postsecondary school attendance, public or private subsidized rental housing, low-income energy assistance, and school breakfast and lunch participation. The third element consists of topical modules, which are a series of supplemental questions asked during selected household visits. Topical modules include some core data to link individuals to the core files.
The Wave 1 Topical Module covers recipiency and employment history.
The Wave 2 Topical Module includes work disability, education and training, marital, migration, and fertility histories, and household relationships.
The Wave 3 Topical Module covers medical expenses and utilization of health care, work-related expenses and child support, assets and liabilities, real estate, shelter costs, dependent care, vehicles, value of business, interest earning accounts, rental properties, stocks and mutual fund shares, mortgages, and other assets.
The Wave 4 Topical Module covers work schedule, taxes, child care, and annual income and retirement accounts.
Data in the Wave 5 Topical Module describe child support agreements, school enrollment and financing, support for non-household members, adult and child disability, and employer-provided health benefits.
The Wave 6 Topical Module covers medical expenses and utilization of health care, work related expenses, child support paid and child care poverty, assets and liabilities, real estate, shelter costs, dependent care, vehicles, value of business, interest earning accounts, rental properties, stock and mutual fund shares, mortgages, and other financial investments.
The Wave 7 Topical Module covers informal caregiving, children's well-being, and annual income and retirement accounts.
The Wave 8 Topical Module and Wave 8 Welfare Reform Topical Module cover child support agreements, support for nonhousehold members, adult disability, child disability, adult well-being, and welfare reform.
The Wave 9 Topical Module covers medical expenses and utilization of heath care (adults and children), work related expenses, child support paid and child care poverty, assets and liabilities, real estate, shelter costs, dependent care, vehicles, value of business, interest earnings accounts, rental properties, stocks and mutual fund shares mortgages, and other financial investments
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U.S. Dept. of Commerce, Bureau of the Census. Survey of Income and Program Participation (SIPP) 2001 Panel. ICPSR03894-v2. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census [producer], 2005. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-03-17. doi:10.3886/ICPSR03894.v2
Persistent URL: http://doi.org/10.3886/ICPSR03894.v2
Scope of Study
Subject Terms: education, employment, families, financial assets, government programs, health status, households, housing conditions, income, income distribution, investments, labor force, personal finances, population migration, poverty, socioeconomic status, unearned income, unemployment, wages and salaries, wealth
Geographic Coverage: United States
Date of Collection:
Universe: The resident population of the United States, excluding persons living in institutions and military barracks.
Data Types: survey data
Sample: A multistage stratified sampling design was used. One-fourth of the sample households were interviewed each month, and households were interviewed at four-month intervals. All persons at least 15 years old who were present as household members at the time of the first interview were included for the entire study, except those who joined the military, were institutionalized for the entire study period, or moved from the United States. Original household members who moved during the study period were followed to their new residences and interviewed there. New persons moving into households of members of the original sample were also included in the survey, but were not followed if they left the household of an original sample person.
Original ICPSR Release: 2005-01-07
- 2006-03-17 The data files and documentation for Waves 6-9 have been included and the previous 5 waves (Waves 1-5) of data and documentation have been updated.
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