Canberra Longitudinal Study
The Canberra Longitudinal Study is a large epidemiological survey of mental health and cognitive functioning in a community based sample living in or near Canberra, Australia. The study aimed to investigate the epidemiology of cognitive decline, dementia and depressive disorders/symptoms over time and to identify factors influencing the course of cognitive decline and depression.
Overview
- Acronym
- CLS
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1990 - 2002
- General Information on Follow Up (profile, frequency)
-
The study commenced in 1990, with subsequent waves in 1994, 1998 and 2002.
- Recruitment Target
-
- Individuals
- Number of Participants
- 1,045
- Number of Participants with Biological Samples
- 0
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
Christensen H, Mackinnon A, Jorm AF, Korten A, Jacomb P, Hofer SM, Henderson F. 2004. The Canberra Longitudinal Study: Design, aims, methodology, outcomes, and recent empirical investigations. Aging, Neuropsychology, and Cognition; 11, 169‑195.
Timeline
Populations
The sample consist of Individuals living in nursing homes and oversampled individuals aged 90 years of age and over.
Selection Criteria
- Minimum age
-
70
- Countries
-
- Australia
- Territory
-
Canberra/Queanbeyan region
Sources of Recruitment
- Specific Population
-
-
Other specific population :
Living in nursing homes
-
Other specific population :
Sample Size
- Number of Participants
- 100
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | CLS - wave 1 |
|
1990 (July) | 1990 (September) | |
| 1 | CLS - wave 2 |
|
1994 (June) | 1995 (January) | |
| 2 | CLS - wave 3 |
|
1998 (July) | 1998 (December) | |
| 3 | CLS - wave 4 |
|
2002 (January) | 2002 (December) |
CLS population consist of people aged 70 and over, living in the community and residential care facilities of the Canberra/Queanbeyan region in 1990.
Selection Criteria
- Minimum age
-
70
- Countries
-
- Australia
- Territory
-
Canberra/Queanbeyan region
Sources of Recruitment
- General Population
-
- Selected sample
- Supplementary Information
-
Participants were randomly selected from the Canberra and Queanbeyan electoral rolls.
Sample Size
- Number of Participants
- 896
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | CLS - wave 1 |
|
1990 (July) | 1990 (September) | |
| 1 | CLS - wave 2 |
|
1994 (June) | 1995 (January) | |
| 2 | CLS - wave 3 |
|
1998 (July) | 1998 (December) | |
| 3 | CLS - wave 4 |
|
2002 (January) | 2002 (December) |
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 |
|---|