I-Lan Longitudinal Aging Study
Taipei Veterans General Hospital


Variable Response
Full Name I-Lan Longitudinal Aging Study
CRS Continent(s) Asia
CRS ID 122
Acronym ILAS
Low-Middle Income Country No
Data Available Through DPAU No
Follow-Up Data Available Yes
CRS Overview The I-Lan Longitudinal Aging Study (ILAS) is a community-based aging cohort study in I-LanCounty of Taiwan, which aimed to evaluate the complex interrelationship between aging,frailty, sarcopenia and cognitive decline. Community-dwelling people aged 50 years and olderwere randomly selected for study from the I-Lan County of Taiwan
No. of Subjects at Baseline 1839
Institution Taipei Veterans General Hospital
Department Name Center for Geriatrics and Gerontology
City I-Lan county
Country Taiwan
Study/Database Website
Principal Investigator (PI) Liang-Kung Chen
PI email lkchen2@vghtpe.gov.tw
Key Study References Liu LK, Lee WJ, Wu YH, et al. Cognitive Frailty and Its Association with All-Cause Mortality among Community-Dwelling Older Adults in Taiwan: Results from I-Lan Longitudinal Aging Study. Rejuvenation Res. 2018 Apr 12. doi: 10.1089/rej.2017.2038.
Population Based Study? Yes
Family Based Study? No
Clinical Based Sample? No
Were participants included prior to development of dementia (may refer to controls only)? Yes
Were participants included prior to development of MCI (may refer to controls only)? Yes
How is data collected? face-to-face
Who carries out data collection? interviewer and research nurses
Does this take place in participants' homes or at a central location? Center location
Do participants take part individually or are families/partners involved? individually
Dementia cases ascertained as part of study Yes
Diagnosis based on review of existing clinical data Yes
Were diagnosis/primary outcomes made blind to exposure variables? Not Applicable
How many times followed up? 1
Sample Size at Follow-Up 1000
Study start date 2011
Study end date 0
Study Timeline Baseline: 2011
follow-up 1: 2018
Is data collection still ongoing? Yes
Is study still recruiting? No
Inclusion criteria (1) inhabitants who presently live in I-Lan County without a plan of moving in the nearfuture, and (2) residents 50 years of age or older.
Exclusion criteria (1) those who were unable to adequately communicate with the research nurses, (2)those unable to complete all evaluation tests due to poor functional status, (3) those who had alimited life expectancy due to major illnesses, and (4) current residents in long-term care facili-ties.
Minimum Age 50
Sex Included in Study Male and Female
Are there likely to be updates or revisions to the data after its release? Yes
Notes
Publications
Documents
Data Availability Data not available on DPAU
Data Access Process Direct application to CRS
Data Distribution Rule Not distributed via DPAU

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