Cohort Descriptives

Variable Response
Cohort Name Genetic and Environmental Risk in Alzheimer’s Disease Consortium
Cohort Acronym GERAD
Study Overview Alzheimer's case-control cohort including aged and population controls.
#Subjects at Baseline
Institution Name Cardiff University
Department Name Medicine
City Cardiff University
Study/Database Website

Principal Investigator (PI) Julie Williams and Collaborators
Key Study References

Harold et al. 2009 Nature Genetics

Population Based Study? Yes
Family Based Study? No
Clinical based sample? Yes
Is there follow-up data available? No
Were participants included prior to development of dementia (may refer to controls only)? Yes
Were participants included prior to development of MCI (may refer to controls only)? Yes
How is data collected? Questionnaire Assessments and Genetic Analysis
Who carries out data collection? Clinical/Researchers
Does this take place in participants' homes or at a central location? Both
Do participants take part individually or are families/partners involved? Both
Dementia cases ascertained as part of study: Yes
How many times followed up? Variable
Study start date 01/01/2003 00:00:00
Study end date 31/12/2009 00:00:00
Is study ongoing? No
Is study still recruiting? No
Inclusion criteria Varies
Exclusion criteria Varies