Korean Longitudinal Study on Cognitive Aging and Dementia
The Korean Longitudinal Study on Cognitive Aging and Dementia (KLOSCAD) is the first nationwide multi-center population-based prospective cohort study in South Korea for investigating the epidemiology, biopsychosocial risk factors, and outcomes of normal cognitive aging and various dementing illnesses.
The objectives of the KLOSCAD are first to estimate the epidemiology of dementia and related disorders in South Korea, second to explore the diagnostic markers of dementia and establish their normative data in elderly Koreans, third to propose optimal strategies for preventing and managing dementia in Koreans, and finally to provide evidence for developing cost-effective dementia policies in South Korea.
Overview
- Acronym
- KLOSCAD
- Website
- KLOSCAD
- Investigators
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- Contacts
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General Design
- Study design
- Cohort
- Start - End Year
- 2009 -
- General Information on Follow Up (profile, frequency)
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After baseline assessment, participants are followed-up every two years.
- Recruitment Target
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- Individuals
- Number of Participants
- 6,818
- Number of Participants with Biological Samples
- 6,814
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
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Marker Paper
Han JW, Kim TH, Kwak KP, Kim K, Kim BJ, Kim SG, Kim JL, Kim TH, Moon SW, Park JY, Park JH. Overview of the Korean Longitudinal Study on Cognitive Aging and Dementia. Psychiatry investigation. 2018 Aug;15(8):767.
PUBMED 30086611Timeline
Population
Selection Criteria
- Minimum age
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60
- Countries
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- South Korea
Sources of Recruitment
- General Population
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- Selected sample
- Supplementary Information
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Random selection of participants was based on residential rosters.
Sample Size
- Number of Participants
- 6,818
- Number of Participants with Biological Samples
- 6,818
- Supplementary Information about Population
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Baseline: 6,818 participants
1st Follow-up: 5,131 participants
2nd Follow-up: 4,181 participants
Data Collection Events
| # | Name | Description | Start | End |
|---|---|---|---|---|
| 0 | KLOSCAD - Baseline | Socio-demographic information, social activities and occupational history, driving ... |
2010 (November) | 2012 (October) |
| 1 | KLOSCAD - Follow-Up 1 | Activities of daily living were assessed using the Disability Assessment for ... |
2012 (November) | 2014 (October) |
| 2 | KLOSCAD - Follow-Up 2 | Socio-demographic information, social activities and occupational history, driving ... |
2014 (November) | 2016 (October) |
| 3 | KLOSCAD - Follow-Up 3 | A face-to-face standardized diagnostic interview of cognitive disorders and ... |
2016 (November) | 2018 (October) |
Participating Studies
| Acronym | Name | Study design | Countries |
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Harmonization Initiatives Included
| Acronym | Name |
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Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
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Datasets
| Name | Type | Data Collection Events | Variables |
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