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Randomized Controlled Trial
. 2024 Mar;41(1):159-168.
doi: 10.1111/ger.12705. Epub 2023 Jul 26.

Using a theoretically informed process evaluation alongside a trial to improve oral health for care home residents

Annie Hendry  1 , Sarah R Baker  2 , Georgios Tsakos  3 , Gerald McKenna  4 , Alison Jenkins  1 , Saif Sayeed Syed  3 , Michelle Harvey  4 , Afshan Mirza  3 , Lorraine Morgan  5 , Paul R Brocklehurst  6
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Free article
Randomized Controlled Trial

Using a theoretically informed process evaluation alongside a trial to improve oral health for care home residents

Annie Hendry et al. Gerodontology. 2024 Mar.
Free article

Abstract

Background: Poor oral health is common among older adults residing in care homes impacting their diet, quality of life, self-esteem, general health and well-being. The care home setting is complex and many factors may affect the successful implementation of oral care interventions. Exploring these factors and their embedded context is key to understanding how and why interventions may or may not be successfully implemented within their intended setting.

Objectives: This methodology paper describes the approach to a theoretically informed process evaluation alongside a pragmatic randomised controlled trial, so as to understand contextual factors, how the intervention was implemented and important elements that may influence the pathways to impact.

Materials and methods: SENIOR is a pragmatic randomised controlled trial designed to improve the oral health of care home residents in the United Kingdom. The trial uses a complex intervention to promote and provide oral care for residents, including education and training for staff.

Results: An embedded, theoretically informed process evaluation, drawing on the PAHRIS framework and utilising a qualitative approach, will help to understand the important contextual factors within the care home that influence both the trial processes and the implementation of the intervention.

Conclusion: Utilising an implementation framework as the basis for a theoretically informed process evaluation provides an approach that specifically focuses on the contextual factors that may influence and shape the pathways to impact a given complex intervention a priori, while also providing an understanding of how and why an intervention may be effective. This contrasts with the more common post hoc approach that only focuses on implementation after the empirical results have emerged.

Keywords: care home residents; complex interventions; implementation; oral health; process evaluation; randomised controlled trials.

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References

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