Atypical survey response patterns as early indicators of dementia onset: A coordinated analysis across longitudinal aging cohorts

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ID: 329149
2026
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Ranked #27 of 121 articles by views in the journals of gerontology series b, psychological sciences and social sciences

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Abstract
Abstract Objectives Atypical survey response patterns, such as inconsistent or implausible responses, have been linked to lower cognitive functioning in later life. This study examined whether these behaviors predict future dementia onset across diverse longitudinal studies of aging. Methods We conducted a coordinated analysis of data from eight longitudinal studies of aging (total N = 76,350). We derived five common types of atypical response pattern indicators from participants’ questionnaire data. Associations with subsequent dementia risk were examined within each cohort using Cox proportional hazards models adjusted for demographic covariates and accounting for death as a competing risk. Results were synthesized using random-effects meta-analysis methods. Results Across cohorts, significant associations with incident dementia were observed for item-nonresponse (overall hazard ratio [HR] per SD increase = 1.06), random response errors (HR = 1.25), multivariate outlier responses (HR = 1.31), and incompatible response patterns indexed by Guttman errors and person-fit statistics (HRs = 1.22–1.25). Extreme responding was not significantly associated with dementia risk. Secondary analyses suggested stronger associations among individuals younger than 75 years and those with higher levels of education. Discussion Routine survey responses contain behavioral signals associated with emerging dementia risk. Because these indicators can be derived from existing survey data without additional testing burden, they may provide a scalable complement to traditional approaches for studying cognitive aging in large population-based cohorts.
Reference Key
openalex_W7213599994 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Stefan Schneider, Pey-Jiuan Lee, Doerte U. Junghaenel, Erik Meijer, Raymond Hernandez, Haomiao Jin, Arthur A. Stone, Arie Kapteyn, Bart Orriens, Hongxin Gao, Elizabeth M. Zelinski
Journal the journals of gerontology series b, psychological sciences and social sciences
Year 2026
DOI
10.1093/geronb/gbag197
URL
https://doi.org/10.1093/geronb/gbag197
Keywords Keywords not found

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