Sabatini, Serena, Ukoumunne, Obioha C., Ballard, Clive, Brothers, Allyson, Kaspar, Roman, Collins, Rachel, Kim, Sarang, Corbett, Anne, Aarsland, Dag, Hampshire, Adam, Brooker, Helen and Clare, Linda (2020). International relevance of two measures of awareness of age-related change (AARC). BMC Geriatr., 20 (1). LONDON: BMC. ISSN 1471-2318

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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 age, and advanced old age; and convergent validity with measures of self-perception of aging and mental, physical, and cognitive health. We explored the relationship between demographic variables (age, sex, marital status, employment, and university education) and AARC. Results We confirmed the two-factor structure (gains and losses) of the AARC-10 SF and the AARC-50 cognitive functioning subscale. Both scales showed good reliability and good convergent validity for AARC losses, but weak convergent validity for AARC gains. For both scales metric invariance was held for the two subgroups defined by education level and age. For the AARC-50 subscale, but not for the AARC-10 SF, strong invariance was also held for the two subgroups defined by sex. Age, sex, marital status, employment, and university education predicted AARC gains and losses. Conclusions The AARC-10 SF and AARC-50 cognitive functioning subscale identify UK individuals who perceive age-related changes in their mental, physical, and cognitive health.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Sabatini, SerenaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ukoumunne, Obioha C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ballard, CliveUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brothers, AllysonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kaspar, RomanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Collins, RachelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, SarangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corbett, AnneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Aarsland, DagUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hampshire, AdamUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brooker, HelenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clare, LindaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-318686
DOI: 10.1186/s12877-020-01767-6
Journal or Publication Title: BMC Geriatr.
Volume: 20
Number: 1
Date: 2020
Publisher: BMC
Place of Publication: LONDON
ISSN: 1471-2318
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SUBJECTIVE COGNITIVE DECLINE; OF-FIT INDEXES; SHORT-FORM; INFORMANT QUESTIONNAIRE; MEASUREMENT INVARIANCE; CONCEPTUAL-FRAMEWORK; SOCIOECONOMIC-STATUS; ELDERLY IQCODE; FOLLOW-UP; OLD-AGEMultiple languages
Geriatrics & Gerontology; GerontologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/31868

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