Aberdeen 1921 Birth Cohort
The aims of the ABC1921 were to model the relative effects of positive and negative predictors of late-life intelligence and dementia.
Overview
- Acronym
- ABC1921
- Website
- ABC1921
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1997 - 2006
- General Information on Follow Up (profile, frequency)
-
The ABC1921 participants undertook a general intelligence test at age 11 years, in 1932, and were recruited for the ABC1921 cohort between 1997 and 2001. They were then followed-up at 15 months intervals up to a maximum of 5 years.
- Recruitment Target
-
- Individuals
- Number of Participants
- 235
- Number of Participants with Biological Samples
- 225
- Supplementary Information
-
Sub-sample of the participants of the Scottish Mental Survey of 1932.
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
Starr JM, Deary IJ, Lemmon H, Whalley LJ. Mental ability age 11 years and health status age 77 years. Age and ageing, 2000; 29(6): 523-8.
PUBMED 11191245Timeline
Population
The participants were all born in 1921 and were a sub-sample of the Scottish Mental Survey 1932 living in Aberdeen.
Selection Criteria
- Minimum age
-
76
- Maximum age
-
80
- Countries
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- United Kingdom
- Territory
-
Aberdeen, Scotland
Sources of Recruitment
- Participants from Existing Studies
-
- The Scottish Mental Survey 1932
- Supplementary Information
-
Between 1997 and 2001, individuals from Aberdeen who had taken part in the 1932 Survey were traced using Community Health Index, General Registrar Office public records and the National Health Centre Records.
Sample Size
- Number of Participants
- 235
- Number of Participants with Biological Samples
- 225
- Supplementary Information about selection criteria
-
Wave 1: 235 participants
Wave 2: 194 participants
Wave 3: 164 participants
Wave 4: 144 participants
Wave 5: 104 participants
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | ABC1921 - Wave 1 |
|
|
1997 (October) | 2001 (June) |
| 1 | ABC1921 - Wave 2 |
|
1999 (January) | 2002 (September) | |
| 2 | ABC1921 - Wave 3 |
|
2000 (April) | 2003 (December) | |
| 3 | ABC1921 - Wave 4 |
|
2001 (July) | 2005 (March) | |
| 4 | ABC1921 - Wave 5 |
|
2002 (October) | 2006 (June) |
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
Areas of Information Collected per per Population and Data Collection Event
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|