Adult Changes in Thought Study

Overview

Acronym
ACT
Investigators
  • Dr. Eric B. Larson

    Group Health Research Institute

  • MD. Paul Crane

    University of Washington

Contacts
  • Erin Bowles

    Group Health Research Institute

  • Darlene White

    Group Health Research Institute

  • KatieRose Richmire

    Group Health Research Institute

General Design

Study design
Cohort
Start - End Year
1994 -
General Information on Follow Up (profile, frequency)
Recruitment Target
  • Individuals
Number of Participants
4,960 (No Limit)
Number of Participants with Biological Samples
4,960 (No Limit)
Supplementary information about number of participants

Access

Availability of data and biosamples

Possible Access to Data
Possible Access to Biosamples
Other

Marker Paper

Kukull WA, Higdon R, Bowen JD, et al. Dementia and Alzheimer Disease Incidence: A Prospective Cohort Study. Arch Neurol. 2002;59(11):1737-1746. doi:10.1001/archneur.59.11.1737.

PUBMED 12433261

Timeline

Population

ACT population

Selection Criteria

Minimum age
65
Countries
  • United States of America
Territory
Seattle
Other Criteria

Sources of Recruitment

Specific Population
  • Members of an association
Supplementary Information

Sample Size

Number of Participants
2,581
Number of Participants with Biological Samples
2,581
Supplementary Information about Population

Data Collection Events

# Name Description Start End
0 ACT - Recruitment 1 1994 1996
1 ACT - Follow-up 1996 2014
2 ACT - Recruitment 2 2000 2002
3 ACT - Recruitment 3 2004 2014

Participating Studies

Acronym Name Study design Countries

Harmonization Initiatives Included

Acronym Name

Networks

Acronym Name Harmonization Initiatives Individual Studies

Datasets

Name Type Data Collection Events Variables
Last Update: 2022-12-05 16:58