DOI: 10.3886/icpsr03954.v1
title: Survey of Program Dynamics (SPD), 2002: Cross-Sectional File
title: Version 1

description: The 2002 SPD Cross-Sectional file provides socioeconomic
 data for each household member for calendar year 2001. Demographic
 data focuses on age, sex, race, ethnic origin, marital status,
 household relationship, education attainment, and veteran status.
 Economic data focuses on work experience, including comprehensive work
 experience, as well as the employment status, occupation, industry,
 weeks worked, hours per week worked, total income, and income
 components for people aged 15 and over. Income data covers income from
 jobs, net income from businesses, farm, or rent, and income from
 pensions, dividends, interest, and social security payments. Data are
 also included on noncash income sources, such as food stamps, school
 lunch programs, employer-provided group health insurance plans,
 employer-provided pension plans, personal health insurance, Medicaid,
 Medicare, CHAMPUS/Tricare or military health care, and energy
assistance.
description: The weights on this file are cross-sectional, therefore,
 they are only valid for estimates of the characteristics of the
 cohorts of people in 2002 who were represented by both the original
 and nonoriginal sample people in the SPD 2002. An original sample
 person is a sample person who was a self or proxy respondent in Wave 1
 of the SIPP 1992 or 1993 panel. A nonoriginal sample person is a
 sample person who became part of the sample after the SIPP Wave 1 and
 beyond (including the SPD samples). The SIPP 1992 and 1993 Panel
 samples, from which the SPD sample originated, were designed to
 produce only national estimates of the characteristics of interest to
 the user. Although this 2002 cross-sectional file includes state
 identifiers and is weighted to current state (as well as national)
 controls, deriving subnational estimates from this nine-year-old
 sample that has experienced severe attrition (household and person
 nonresponse) and other sample loss (through death, being
 institutionalized, etc.), as well as sample cuts dictated by budgetary
 constraints, results in inadequate representativeness and poor
 coverage in some of the smaller geographic areas. Even for the
 national estimates, inadequate representativeness and poor coverage
 occur in Black children aged 11 and below and Black adults aged 20 to
 45. In addition to noninterview adjustment, we attempted to further
 correct for these deficiencies by bringing back noninterviews from the
 1997 Bridge sample and from a subset of the SIPP 1992 and 1993
 Panels. These sample cases are included in this cross-sectional file,
 and will be included in the third (and final) longitudinal file, as
well.
description: Due to budget constraints, the SPD 2002 Survey did not
 visit all of the households eligible for interview (including
 approximately 30,588 interviewed, and Type A, Type B, and Type D
 noninterviewed households in the SPD 2001 sample and their spawned
 households). The budget allowed for SPD to visit only 20,000
 households. Thus, a sample cut was carried out similar to the 1998
 sample cut. Roughly 19,100 households were sampled in this operation,
 in order to account for an expected net five percent growth rate due
 to household spawning. Interviewed and Type A, Type B, and Type D
 noninterviewed households were eligible to be selected. The eligible
 households were classified into six strata and then randomly selected
 for the SPD 2002 sample such that each stratum took an approximately
 equal proportional cut to reduce the total sample size to
approximately 19,100.
description: Datasets: 
DS1: Survey of Program Dynamics (SPD), 2002: Cross-Sectional File
description: The universe consists of people residing in the United
 States, except people living in institutions, such as prisons, and
nursing homes, and entire military households, in March 2002.
description: computer-assisted personal interview (CAPI)(1) The 2002 SPD Cross-Sectional file is minimally
 edited and is intended for analyses of effects of welfare reform on
 individuals, families and households. (2) The file is a rectangular,
 person-level file. Household- and family-level variables are included
on the record for every person in the household.