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Cohort Acronym

Cohort type
General population-based cohort

Alzheimer's disease, Subjective memory complaints (SMC) or subjective cognitive decline (SCD)

Participant type
No diagnosis

Recruitment Period 1992 
Sample size at start or planned sample size if still recruiting 20000  
Estimated Current Sample Size  
Age at Recruitment >50   
Gender Male and Female 

The University of Michigan Health and Retirement Study (HRS) is a longitudinal panel study that surveys a representative sample of approximately 20,000 people in the United States.

Last update: 21/01/2017

Country USA 
Contact details
Institution name The University of Michigan 
Principal Investiator (PI) Dr David Weir 
Contact email [email protected] 
Contact phone number  
Address Health and Retirement Study
The University of Michigan
Institute for Social Research
426 Thompson Street
Ann Arbor, MI 48104 
Funders (Core support) National Institute of Aging (NIA) 

Variables Collected

Brain related measures: Behaviour, Cognitive function, Mental health, Neurological
Funtional rating: Individual physiological, Individual psychological
Anthropometric: Blood pressure, Height, Weight
Physical: Cardiovascular, Hearing and Vision, Musculoskeletal, Respiratory
Biological samples: Blood
Genotyping: Gene screening
Brain imaging: N/A
Brain banking: N/A
Lifestyle: Alcohol, Dietary habits, Physical activity, Smoking
Socio-economic: Education, Ethnic group, Family circumstances, Housing and accommodation, Income and finances, Informal support, Marital status, Occupation and employment, Unpaid care
Health service utilisation: Formal health and social care service utilisation including private care
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