| Summary: | Abstract Introduction Literature on the association of religion and spirituality (R/S) and health is growing. However, it is unclear how R/S affects outcomes and is assessed in persons with dementia (PWDs). In this integrative review, we evaluate published R/S measures and synthesize R/S findings for PWDs. Methods We searched five databases (ATLA Religion, CINAHL, PsychInfo, PubMed, SocIndex) and identified 14 of 1043 studies for review. We assess the studies’ information, quality, measures, and results. Results We identified 17 measures for R/S: six were adapted for use with PWDs and only two were validated for PWDs; most studies reported only measures’ reliability, with Cronbach's alpha. The studies’ findings support significant positive associations between R/S and cognitive function and negative associations between R/S and depression and behavioral expressions. Discussion The two validated scales indicated acceptable validity with overall good reliability. Nevertheless, diverse samples and rigorous study designs are needed to improve R/S measures and to examine associations over time for PWDs. Highlights Few scales for measuring religion and spirituality (R/S) have been validated in persons with dementia (PWD); additional testing is needed. Most R/S measures only reported scale reliability with Cronbach's alpha. Studies supported positive associations between R/S and health yet few studies exist. conducted. Only one spiritual intervention, spiritual reminiscence, was found for PWD. More rigorous R/S studies are needed to examine health outcomes in dementia.
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