Chinese Longitudinal Aging Study
The objectives of this study are:
Overview
- Acronym
- CLAS
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 2011 -
- General Information on Follow Up (profile, frequency)
-
Participants are followed-up after 1, and 7 years.
- Recruitment Target
-
- Individuals
- Number of Participants
- 3,514
- Number of Participants with Biological Samples
- 3,514
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
Xiao, S., Li, J., Tang, M., Chen, W., Bao, F., Wang, H., Wang, Y., Liu, Y., Wang, Y., Yuan, Y., Zuo, X., Chen, Z., Zhang, X., Cui, L., Li, X., Wang, T., Wu, W., Zhang, M. Methodology of China's national study on the evaluation, early recognition, and treatment of psychological problems in the elderly: The China Longitudinal Aging Study (CLAS). Shanghai Archives of Psychiatry 2013:25;91-98
PUBMED 24991140Timeline
Population
CLAS - Population
CLAS population is a random sample of 60 years and older individuals from 20 target communities (18 urban and 2 rural) located in the eastern, middle, and western parts of China (around 15 institutions located in Beijing, Shanghai, Zhejiang, Shanxi, Liaoning, Jiangxi, Guangdong, and Anhui).
Selection Criteria
- Minimum age
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60
- Countries
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- China
- Territory
- Beijing, Shanghai, Zhejiang, Shanxi, Liaoning, Jiangxi, Guangdong, and Anhui
Sources of Recruitment
- General Population
-
- Selected sample
- Supplementary Information
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This survey was a joint effort of 15 institutions located in the eastern, middle, and western parts of China. Each institution identified one or more target communities; a total of 20 target communities (18 urban and 2 rural) participated in the project. The individuals at least 60 years old registered in the 2010 national census as permanent residents of these communities were entered into a database and a simple random sample of them were selected as potential participants in the survey.
Sample Size
- Number of Participants
- 3,514
- Number of Participants with Biological Samples
- 3,514
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | CLAS - Baseline |
|
|
2011 | 2011 |
| 1 | CLAS - Follow-up 1 |
|
|
2012 | 2012 |
| 3 | CLAS - Follow-up 2 |
|
|
2018 | 2018 |
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: 2020-02-05T11:07:27.105