Cognition and Aging in the USA
The goals of CogUSA were:
1) to develop efficient methods of assessing well-recognized components of intelligence and personality that can be administered by either face-to-face or telephone surveys;
2) to collect multivariate information to better understand how various cognitive abilities change with age.
Overview
- Acronym
- CogUSA
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 2007 - 2009
- General Information on Follow Up (profile, frequency)
-
Three waves took place between 2007 and 2009.
- Recruitment Target
-
- Individuals
- Number of Participants
- 1,514
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
McArdle, J. J. (2005). The development of RAM rules for latent variable structural equation modeling. In A. Madeau & J.J. McArdle, (Eds.) Contemporary Advances in Psychometrics (pp. 225-273). Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
Timeline
Population
CogUSA Population
The initial sample of respondents for the CogUSA study consisted of individuals living in the United States, born in 1956 or earlier, and their significant others regardless of age.
Selection Criteria
- Minimum age
-
51
- Countries
-
- United States of America
- Other Criteria
- Respondents were required to be able to complete the cognitive interview and do the interview in English.
Sources of Recruitment
- General Population
-
- Random digit dialing
- Supplementary Information
-
Participants were selected with a two-stage random digit dialing sampling method of individuals located in 28 sampling units across the nation.
Sample Size
- Number of Participants
- 1,514
- Supplementary information about number of participants
-
Wave 1 : 1514 participants
Wave 2 : 1230 participants
Wave 3 : 1125 participants
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | CogUSA - Wave 1 |
|
2007 (May) | 2007 (December) | |
| 1 | CogUSA - Wave 2 |
|
2007 (June) | 2008 (January) | |
| 2 | CogUSA - Wave 3 |
|
2008 (February) | 2009 (September) |
Participating Studies
| Acronym | Name | Study design | Countries |
|---|
Harmonization Initiatives Included
| Acronym | Name |
|---|
Datasets
| Name | Data Collection Events | Variables |
|---|
Areas of Information Collected
- Socio-demographic and economic characteristics
- Death
- Lifestyle and behaviours
- Physical measures and assessments
- Birth, pregnancy and reproductive health history
- Laboratory measures
- Perception of health, quality of life, development and functional limitations
- Cognition, personality and psychological measures and assessments
- Diseases
- Life events, life plans, beliefs and values
- Symptoms and signs
- Preschool, school and work life
- Medication and supplements
- Social environment and relationships
- Non-pharmacological interventions
- Physical environment
- Health and community care services utilization
- Administrative information
Variables Content Summary
Areas of Information Collected
No Areas of Information Collected
No Scales Collected
Areas of Information Collected per per Population and Data Collection Event
No Areas of Information Collected
No Scales Collected
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|
Last Update: 2021-04-09T15:49:54.518