Maelstrom Research Staging | ACT

ACT_Recruitment

Networks -

Variables -

Associated study ACT Contingency Table

Population

ACT population

The study population consists of 2581 men and women aged 65 or greater, in the Seattle area.

Selection Criteria

Minimum age

Newborns

Twins

Countries

United States of America

Territory

Seattle

Ethnic Origin

Health Status

Other Criteria

Participants with an existing diagnosis of dementia or those who were in a skilled nursing community were excluded.

Recruitment

Sources of recruitment

Specific population

Specific Population

Members of an association

Supplementary Information

Random sample of members of the Group Health Cooperative of Puget Sound

Number of Participants

Number of Participants

2,581

Number of Participants with Biological Samples

2,581

Supplementary Information about selection criteria

Recruitment 1: 2581 participants

Recruitment 2: 811 participants

Recruitment 3: Seeks to maintain population of approximately 2000 participants (ongoing)

More info

Data Collection Event

ACT - Recruitment 3

Continuous enrollment of a replacement cohort from 2004 onward seeking to maintain a population of approximately 2000 participants.

Data concerning demographic, medical history, function status, and potential epidemiological risk factors are collected. A blood sample is also obtained from consenting participants to allow apolipoprotein E genotyping and eventually analysis of other genetic factors.

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Collected Dataset / ACT_Recruitment

ACT_Recruitment

Population

ACT population

Data Collection Event

ACT - Recruitment 3

Files

Variables Classifications