Journal article

International relevance of two measures of awareness of age-related change (AARC)

Serena Sabatini, Obioha C Ukoumunne, Clive Ballard, Allyson Brothers, Roman Kaspar, Rachel Collins, Sarang Kim, Anne Corbett, Dag Aarsland, Adam Hampshire, Helen Brooker, Linda Clare

BMC GERIATRICS | BMC | Published : 2020

Abstract

BACKGROUND: A questionnaire assessing awareness of positive and negative age-related changes (AARC gains and losses) was developed in the US and Germany. We validated the short form of the measure (AARC-10 SF) and the cognitive functioning subscale from the 50-item version of the AARC (AARC-50) questionnaire in the UK population aged 50 and over. METHODS: Data from 9410 participants (Mean (SD) age = 65.9 (7.1)) in the PROTECT cohort were used to explore and confirm the psychometric properties of the AARC measures including: validity of the factor structure; reliability; measurement invariance across men and women, individuals with and without a university degree, and in middle age, early old..

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Grants

Awarded by National Health and Medical Research Council Centre for Research Excellence in Cognitive Health


Funding Acknowledgements

This work was supported by the University of Exeter College of Life and Environmental Sciences (School of Psychology); University of Exeter College of Medicine and Health; and the National Health and Medical Research Council Centre for Research Excellence in Cognitive Health [#1100579 to Kaarin Anstey]. The above listed funding bodies supported S S throughout her PhD but did not contribute in the design of the study, data collection, analysis, interpretation of data, or in writing the manuscript.