ArticleAlzheimer's & dementia (Amsterdam, Netherlands)2020
The influence of diversity on the measurement of functional impairment: An international validation of the Amsterdam IADL Questionnaire in eight countries.
Article in Alzheimer's & dementia (Amsterdam, Netherlands), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- The Lawton and Brody a half century later: A case for contemporary revision.The Clinical neuropsychologist · 2026Article
- Newly emerging IADL impairment predicts subsequent cognitive decline across four population-based aging cohorts.Frontiers in aging neuroscience · 2026Article
- Everyday functioning in young onset dementia: differences between diagnostic groups.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Psychometric Properties of a Neuropsychological Assessment Scale for Diagnosing Alzheimer's Disease in the Illiterate and Low-Educated Subjects in Iran.Iranian journal of psychiatry · 2025Article
- London Chest Activity of Daily Living: Reliability and Validity of the European Portuguese Version in Heart Failure Patients.Healthcare (Basel, Switzerland) · 2025Article
- The Process of Translation and Cross-Cultural Adaptation of Functional Assessment Tools for Dementia: A Systematized Review.Health science reports · 2025Review
- Motor function tests as early indicators of cognitive and functional decline in older adults: A correlational study.PloS one · 2025Article
- Generating real-world evidence in Alzheimer's disease: Considerations for establishing a core dataset.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024Article
- Outcome measures for Alzheimer's disease: A global inter-societal Delphi consensus.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2023Article
- Measurement differences in the assessment of functional limitations for cognitive impairment classification across geographic locations.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2023Article
- Assessment of Neurocognitive Functions, Olfaction, Taste, Mental, and Psychosocial Health in COVID-19 in Adults: Recommendations for Harmonization of Research and Implications for Clinical Practice.Journal of the International Neuropsychological Society : JINS · 2022Review
- Challenges in Measuring Applied Cognition: Measurement Properties and Equivalence of the Functional Assessment in Acute Care Multidimensional Computerized Adaptive Test (FAMCAT) Applied Cognition Item Bank.Archives of physical medicine and rehabilitation · 2022Article
- The European Prevention of Alzheimer's Dementia Programme: An Innovative Medicines Initiative-funded partnership to facilitate secondary prevention of Alzheimer's disease dementia.Frontiers in neurology · 2022Article
- Remote monitoring technologies in Alzheimer's disease: design of the RADAR-AD study.Alzheimer's research & therapy · 2021Article
- Everyday Functioning in a Community-Based Volunteer Population: Differences Between Participant- and Study Partner-Report.Frontiers in aging neuroscience · 2021Article
- Decline in cognitively complex everyday activities accelerates along the Alzheimer's disease continuum.Alzheimer's research & therapy · 2020Article
- Cross-cultural adaptation and validation of the Amsterdam Instrumental Activities of Daily Living questionnaire short version German for Switzerland.Health and quality of life outcomes · 2020Article
- The influence of diversity on the measurement of functional impairment: An international validation of the Amsterdam IADL Questionnaire in eight countries.Alzheimer's & dementia (Amsterdam, Netherlands) · 2020Article
- Instrumental activities of daily living, amyloid, and cognition in cognitively normal older adults screening for the A4 Study.Alzheimer's & dementia (Amsterdam, Netherlands) · 2020Article
- Using a digital tool to detect early changes in everyday functioning in older adults: A pilot study of the Assessment of Smartphone Everyday Tasks (ASSET).Alzheimer's & dementia (Amsterdam, Netherlands)Article
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Authors and funding
21 authors.
Funding
Abstract
introductionTo understand the potential influence of diversity on the measurement of functional impairment in dementia, we aimed to investigate possible bias caused by age, gender, education, and cultural differences.
methodsA total of 3571 individuals (67.1 ± 9.5 years old, 44.7% female) from The Netherlands, Spain, France, United States, United Kingdom, Greece, Serbia, and Finland were included. Functional impairment was measured using the Amsterdam Instrumental Activities of Daily Living (IADL) Questionnaire. Item bias was assessed using differential item functioning (DIF) analysis.
resultsThere were some differences in activity endorsement. A few items showed statistically significant DIF. However, there was no evidence of meaningful item bias: Effect sizes were low (Δ DISCUSSION: The results imply a limited bias for age, gender, education, and culture in the measurement of functional impairment. This study provides an important step in recognizing the potential influence of diversity on primary outcomes in dementia research.
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