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Open AccessArticle

External Validation of the ‘PHYT in Dementia’, a Theoretical Model Promoting Physical Activity in People with Dementia

1
Division of Rehabilitation, Ageing and Wellbeing, School of Medicine, University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK
2
Division of Psychiatry & Applied Psychology, School of Medicine, University of Nottingham and Institute of Mental Health, Triumph Road, Nottingham NG7 2TU, UK
3
School of Health Sciences, University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK
4
Division of Primary Care, School of Medicine, Room 1305 Tower Building, University Park, Nottingham NG7 2RD, UK
5
Wissenschaftliche Mitarbeiterin, Zentrum für Methodenwissenschaften und Gesundheitsforschung Abteilung für Allgemeinmedizin, Präventive und Rehabilitative Medizin, Philipps-Universität Marburg Karl-von-Frisch-Straße 4, 35032 Marburg, Germany
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(5), 1544; https://doi.org/10.3390/ijerph17051544
Received: 8 January 2020 / Revised: 12 February 2020 / Accepted: 19 February 2020 / Published: 28 February 2020
(This article belongs to the Collection Aging and Public Health)
Physical activity is beneficial for people with dementia. We previously developed a theoretical model to explain behaviour change in physical activity in dementia (PHYT-in-dementia). This study aimed to externally validate the model. Validation occurred through the process evaluation of a programme promoting activity in people with dementia (PrAISED 2). Twenty participants with dementia and their carers were interviewed to investigate their experience of the programme. The data were analysed through content analysis. The original constructs of the model were used as initial codes and new codes were generated, if elicited from the data. The constructs were also ranked, based on their frequency in the interviews. All of the original model constructs were validated and two novel constructs created: ‘personal history’ and ‘information/knowledge’. Certain constructs (e.g., support) were more frequently mentioned than others (e.g., personal beliefs). We suggested modifications and integrated them into a revised model. The PHYT-in-dementia recognised that dementia has an impact on motivation to initiate and maintain behaviour change over time. The model advocates that interventions adopt a more holistic approach than traditional behaviour change strategies. The suggested revisions require further validation to accurately predict behaviour change in physical activity in people with dementia. View Full-Text
Keywords: physical activity; exercise; behaviour change; dementia; theory; external validation physical activity; exercise; behaviour change; dementia; theory; external validation
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MDPI and ACS Style

Di Lorito, C.; Bosco, A.; Pollock, K.; H. Harwood, R.; das Nair, R.; Logan, P.; Goldberg, S.; Booth, V.; Vedhara, K.; Godfrey, M.; Dunlop, M.; van der Wardt, V. External Validation of the ‘PHYT in Dementia’, a Theoretical Model Promoting Physical Activity in People with Dementia. Int. J. Environ. Res. Public Health 2020, 17, 1544. https://doi.org/10.3390/ijerph17051544

AMA Style

Di Lorito C, Bosco A, Pollock K, H. Harwood R, das Nair R, Logan P, Goldberg S, Booth V, Vedhara K, Godfrey M, Dunlop M, van der Wardt V. External Validation of the ‘PHYT in Dementia’, a Theoretical Model Promoting Physical Activity in People with Dementia. International Journal of Environmental Research and Public Health. 2020; 17(5):1544. https://doi.org/10.3390/ijerph17051544

Chicago/Turabian Style

Di Lorito, Claudio; Bosco, Alessandro; Pollock, Kristian; H. Harwood, Rowan; das Nair, Roshan; Logan, Pip; Goldberg, Sarah; Booth, Vicky; Vedhara, Kavita; Godfrey, Maureen; Dunlop, Marianne; van der Wardt, Veronika. 2020. "External Validation of the ‘PHYT in Dementia’, a Theoretical Model Promoting Physical Activity in People with Dementia" Int. J. Environ. Res. Public Health 17, no. 5: 1544. https://doi.org/10.3390/ijerph17051544

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