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The 5 major projects associated with CDHA are the
Wisconsin Longitudinal Survey (WLS), the National Survey of Families
and Households (NSFH), Health, Wellbeing and Aging in Latin America
and the Caribbean (SABE), the Puerto Rican Elderly Health Conditions
(PREHCO) and Wisconsin Assets and Income Studies (WAIS). CDHA also
provides support for new faculty development and for faculty, staff,
and research assistants engaged in innovative pilot projects that
are likely to lead to major NIA support. For more information, browse
the links at left.
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Wisconsin
Longitudinal Study
The WLS is a long-term study of a random sample of 10,317 men and
women who graduated from Wisconsin high schools in 1957 and of their
randomly selected brothers and sisters. Survey data were collected
from the original respondents or their parents in 1957, 1964, 1975,
and 1992 and a selected sibling in 1977 and 1993. These data provide
a full record of social background, youthful aspirations, schooling,
military service, family formation, labor market experiences, and
social participation of the original respondents. A major round
of data collection started in the fall of 2002. For details concerning
completed survey rounds, visit the WLS
website. |
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National Survey of Families and Households
In the initial wave in 1987-88 (NSFH-1), 13,007 respondents were
interviewed. The national sample included a main cross-section of
9,637 households plus an oversampling of blacks, Puerto Ricans,
Mexican Americans, single-parent families, families with stepchildren,
cohabiting couples and recently married persons. One adult per household
was randomly selected as the primary respondent. In addition, a
shorter self-administered questionnaire was given to the spouse
or cohabiting partner of the primary respondent. In the second round
conducted in 1992-94 (NSFH-2), the spouse or cohabiting partner
was given essentially the same interview as the main respondent.
The third survey round (NSFH-3) was fielded in 2001-2003. For details,
visit the NSFH website.
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Health,
Wellbeing and Aging in Latin America and the Caribbean
SABE (Salud, Bienestar y Envejecimiento en America Latina y el Caribe)
is a cross-national survey on health and aging organized as a cooperative
venture among researchers from 8 countries in the Americas with funding
from a variety of national and international organizations. SABE is
the first cross-national database for studying pension and retirement
systems, the composition of the labor force, family living arrangements,
inter-generational intra-family transfers, and the health of the elderly.
For more information, contact cdhadata@ssc.wisc.edu. |
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Puerto
Rican Elderly Health Conditions
The Puerto Rican Elderly Health Conditions (PREHCO) project will investigate
health conditions of older adults (aged 60+) in Puerto Rico through
an island-wide, cross-sectional sample survey of target individuals
and their surviving spouses. In the future, we hope to complement
the survey with (i) a follow-up to take place four to five years after
the baseline, (ii) a record linkage to Medicare/Medicaid records for
the entire sample (iii) a record linkage to death certificates for
decedent who die who die in the interwave period, and (iv) a sample
of randomly selected siblings of target individuals. For more information,
visit the PREHCO website. |
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Wisconsin
Assets & Income Studies
The Wisconsin Assets and Incomes Studies (WAIS) merges data on a
random sample of individuals who filed taxes in the State of Wisconsin
between 1959 and 1964 with data from a number of administrative
sources including the Social Security Administration and probate
data. The data describe the economic and demographic characteristics
of sampled subjects making it possible to reconstruct career history,
the life cycle of earnings, marital history, and investment portfolios.
For more information, visit the WAIS
website.
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