Development and psychometric evaluation of the Birmingham Relationship Continuity Measure for acquired brain injury

Journal article


Yasmin, Natasha, Keeble, Hayley and Riley, Gerard 2020. Development and psychometric evaluation of the Birmingham Relationship Continuity Measure for acquired brain injury. Brain Injury. https://doi.org/10.1080/02699052.2020.1767304
AuthorsYasmin, Natasha, Keeble, Hayley and Riley, Gerard
Abstract

Relationship continuity/discontinuity refers to whether a spouse/partner experiences their current relationship with someone with an acquired brain injury (ABI) as a continuation of their loving pre-injury relationship or as radically changed. The aim of this study was to adapt a questionnaire measure of continuity/discontinuity from dementia research for use in an ABI context and to evaluate the psychometric properties of this adaptation. The questionnaire was adapted in response to feedback from a focus group of ABI caregivers. Its psychometric properties were then evaluated in two studies involving partners of people with ABI. The measure showed high internal consistency (alpha = .956 in Study 1 and .963 in Study 2), test-retest reliability (intra-class correlation = .960 in Study 1) and discriminative power (Ferguson’s delta = .975 in Study 1 and .963 in Study 2). Evidence of construct validity was provided by a predicted pattern of correlations with other relationship questionnaires. Exploratory factor analysis suggested that the questionnaire is unidimensional. A valid and reliable quantitative measure of relationship continuity/discontinuity will enable more robust evaluation of suggestions about this construct that have been made in qualitative studies (e.g. that discontinuity is associated with a greater sense of caregiver burden).

Keywordsacquired brain injury; marital relations; family caregivers; psychometrics; relationship continuity
Year2020
JournalBrain Injury
PublisherTaylor & Francis
ISSN0269-9052
1362-301X
Digital Object Identifier (DOI)https://doi.org/10.1080/02699052.2020.1767304
Web address (URL)http://hdl.handle.net/10545/624834
hdl:10545/624834
Publication dates23 May 2020
Publication process dates
Deposited28 May 2020, 10:59
Accepted06 May 2020
ContributorsUniversity of Birmingham
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