Individual Study / MIDUS

Midlife in the United States Twin Study

Midlife in the United States Twin Study

Initiatives -
Assessment of many psychological factors researchand to develop short-form assessments of many psychosocial constructs.
Start Year
1995
Funding
National Institute on Aging
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Members

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Investigators Contacts
  • Dr. Professor Carol Ryff
    University of Wisconsin-Madison

Design

Study design
Population cohort
Follow Up
3 waves.
Supplementary Information
http://midus.wisc.edu/data/timeline.php

Marker Paper

Hughes ML, Agrigoroaei S, Jeon M, Bruzzese M, Lachman ME. Change in Cognitive Performance From Midlife Into Old Age: Findings from the Midlife in the United States (MIDUS) Study [published correction appears in J Int Neuropsychol Soc. 2018 Sep;24(8):891]. J Int Neuropsychol Soc. 2018;24(8):805-820. doi:10.1017/S1355617718000425

PUBMED 30019663

Recruitment

Sources of Recruitment
  • Families

Number of participants

Number of participants
3,621
Number of participants with biosamples
Supplementary Information
the study included over-samples in select metropolitan areas (N = 757), a sample of siblings (N = 950) of the main respondents, and a national sample of twin pairs (N=1,914).

Access

Availability of data and biosamples

Data
Biosamples
Other

Availability of access information

On the study website : http://midus.wisc.edu/