Validation of the German Version of the Amsterdam Instrumental Activities of Daily Living Questionnaire®
Cross-cultural Validation of the German Version of the Amsterdam Instrumental Activities of Daily Living Questionnaire® in Elderly People With and Without Mild Neurocognitive Disorder
1 other identifier
observational
96
1 country
1
Brief Summary
Pretest and validation of the German version of the Amsterdam instrumental activities of daily living questionaire short in elderly people with normal cognition, mild cognitive impairment (MCI) or mild dementia in the German speaking part of Switzerland. The aim is to investigate the psychometric properties of the final Amsterdam instrumental activities of daily living questionaire short (A-IADL-Q-SV) German. Participants with normal cognition will be recruited in the community and participants with MCI and mild dementia in three memory clinic settings.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Feb 2018
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2018
CompletedFirst Submitted
Initial submission to the registry
July 2, 2019
CompletedFirst Posted
Study publicly available on registry
July 9, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 30, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
September 30, 2019
CompletedOctober 30, 2019
October 1, 2019
1.5 years
July 2, 2019
October 28, 2019
Conditions
Outcome Measures
Primary Outcomes (2)
Amsterdam IADL Questionnaire short German version
Impairment in instrumental activities of daily living. Based on item response theory (IRT) the latent trait score is calculated with a mean of zero and standard deviation of one. The resulting score ranges from 20 to 80 with lower scores indicating poorer performance.
Baseline
Change from baseline on the Amsterdam IADL Questionnaire short German version at two to four weeks
Impairment in instrumental activities of daily living. Based on item response theory (IRT) the latent trait score is calculated with a mean of zero and standard deviation of one. The resulting score ranges from 20 to 80 with lower scores indicating poorer performance.
Follow-up after two to four weeks
Secondary Outcomes (5)
Mini Mental State Examination
Baseline
Cumulative Dementia Rating
Baseline
Lawton Brody Instrumental Activities of Daily Living Scale
Baseline
Informant Questionnaire for Cognitive Decline in the Elderly (IQCODE) short
Baseline
Depression im Alter Scale (DIA-S)
Baseline
Interventions
Questionnaire to assess impairments in instrumental activities of daily living
Eligibility Criteria
Elderly community-dwelling people with normal cognition, mild cognitive impairment or mild dementia
You may qualify if:
- Living in the community
- Ability to understand the purpose of the study and to consent
- Knowledgeable informant available
- Signed informed consent to participate in the study
You may not qualify if:
- Moderate and severe cognitive decline (MMSE \< 20) (people with MCI, mild dementia)
- Cognitive decline suspect based on telephone screening (people with normal cognition)
- Cognitive decline due to other causes than Alzheimer's disease, vascular dementia (e.g. neurological diseases, trauma, delirium)
- Diagnosed Depression
- Diagnosed Alcohol or Drug Misuse
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Memory Clinic, Geriatrische Klinik St.Gallen
Sankt Gallen, 9000, Switzerland
Related Publications (1)
Bruderer-Hofstetter M, Dubbelman MA, Meichtry A, Koehn F, Munzer T, Jutten RJ, Scheltens P, Sikkes SAM, Niedermann K. Cross-cultural adaptation and validation of the Amsterdam Instrumental Activities of Daily Living questionnaire short version German for Switzerland. Health Qual Life Outcomes. 2020 Oct 2;18(1):323. doi: 10.1186/s12955-020-01576-w.
PMID: 33008394DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Karin Niedermann, PhD
Zurich University of Applied Sciences Zurich
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
July 2, 2019
First Posted
July 9, 2019
Study Start
February 1, 2018
Primary Completion
July 30, 2019
Study Completion
September 30, 2019
Last Updated
October 30, 2019
Record last verified: 2019-10
Data Sharing
- IPD Sharing
- Will not share