Cognition and Aging in the USA
Networks
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Datasets
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Variables
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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.
- Start Year
- 2007
- End Year
- 2009
Visit CogUSA
| Investigators | Contacts |
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Design
- Study design
- Cohort
- Follow Up
- Three waves took place between 2007 and 2009.
- Supplementary Information
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.
Recruitment
- Recruitment Target
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- Individuals
Number of Participants
- Number of Participants
- 1,514
- Number of Participants with Biological Samples
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
Timeline
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
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51
- Newborns
- Twins
- Countries
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- United States of America
- Ethnic Origin
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- Health Status
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- Other Criteria
- Respondents were required to be able to complete the cognitive interview and do the interview in English.
Recruitment
- Sources of recruitment
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- General population
- General Population
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- Random digit dialing
- Supplementary Information
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Participants were selected with a two-stage random digit dialing sampling method of individuals located in 28 sampling units across the nation.
Number of Participants
- Number of Participants
- 1,514
- Number of Participants with Biological Samples
- Supplementary Information about selection criteria
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Wave 1 : 1514 participants
Wave 2 : 1230 participants
Wave 3 : 1125 participants
Data Collection Events
| # | Name | Description | Start | End |
|---|---|---|---|---|
| 0 |
CogUSA - Wave 1
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Data from the Wave 1 telephone survey included basic demographics, self-rated health status (health and depressive symptoms) and cognitive measures. The cognitive measures included the HRS ... | 2007-05 | 2007-12 |
| 1 |
CogUSA - Wave 2
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The wave 2 face-to-face interview included an extensive cognitive battery, personality tests, risk-taking information (driving, financial, sport or leisure and health risk), an occupational ... | 2007-06 | 2008-01 |
| 2 |
CogUSA - Wave 3
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Information collected in the wave 3 telephone survey primarily replicated the information collected in wave 1. It included confirmation of the respondent’s marital status and residence type, an ... | 2008-02 | 2009-09 |
Classifications
- Socio-demographic and economic characteristics
- Lifestyle and behaviours
- Birth, pregnancy and reproductive health history
- Perception of health, quality of life, development and functional limitations
- Diseases
- Symptoms and signs
- Medication and supplements
- Non-pharmacological interventions
- Health and community care services utilization
- Death
- Physical measures and assessments
- Laboratory measures
- Cognition, personality and psychological measures and assessments
- Life events, life plans, beliefs and values
- Preschool, school and work life
- Social environment and relationships
- Physical environment
- Administrative information
- Cognitive functioning
- Personality
- Psychological distress and emotions
- Other psychological measures and assessments
- Life events
- Beliefs and values
Socio-demographic and economic characteristics
Age/birthdate
Sex/gender
Marital/partner status
Education
Residence
Ethnicity, race and religion
Lifestyle and behaviours
Nutrition
Technological devices
Perception of health, quality of life, development and functional limitations
Perception of health
Cognition, personality and psychological measures and assessments
Cognitive functioning
Personality
Psychological distress and emotions
Life events, life plans, beliefs and values
Beliefs and values
Physical environment
Built environment/neighbourhood characteristics
Administrative information
Identifiers
Date and time-related information
Questionnaire and interview-related information
Data and sample collection center-related information
Other administrative information
Cognitive functioning
Delayed Word Recall
Numeracy Scale
Psychomotor Vigilance Task
Stop and Go Switch Task
Subtraction Serial 7s
Telephone Interview for Cognitive Status
Wechsler Adult Intelligence Scale (Matrix Reasoning)
Wechsler Adult Intelligence Scale (Similarities)
Wechsler Adult Intelligence Scale (Vocabulary)
Wechsler Abbreviated Scale of Intelligence Full Scale IQ
Woodcock Johnson Psycho-Educational Battery
Personality
Big Five Inventory
Psychological distress and emotions
Center for Epidemiological Studies Depression Scale
Beliefs and values
Sense of Coherence Scale