ArticleJournal of clinical and translational science2025
Perspectives of older adults with memory decline participating in a prolonged nightly fasting (PNF) pilot study: A qualitative exploration.
Article in Journal of clinical and translational science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Cognitive decline and sleep concerns are significant health issues among older adults. Nonpharmacological treatments to address these concerns are needed, particularly for older adults who are more likely to be prescribed multiple medications and experience adverse effects of additional drugs. The aim of the current qualitative study was to understand and document the experiences of older adults with subjective memory decline participating in prolonged nightly fasting (PNF) intervention. Methods: This single-group pilot study was conducted as a fully remote, 8-week, pre/postintervention. Postintervention, 16 participants (≥65 years) participated in semistructured qualitative exit interviews about their experiences with the PNF intervention. Interviews lasted approximately 20-30 minutes, were conducted by trained study staff, and then analyzed by the team to understand relevant themes. Results: Two major themes that emerged from the data were engagement with and perceived effects of the PNF intervention. Within these two themes, nine subthemes emerged: accountability; use of days off; feasibility; intervention tools; behavioral strategies; timing/routine; awareness; self-efficacy; and perceived health-related outcomes. Overall, interviews suggested strong engagement with the PNF intervention as well as a number of positive perceived effects of the intervention. Conclusions: These findings contribute to a broad field of intermittent fasting by exploring and understanding the direct experiences of older adults participating in PNF. Some participants identified challenges of participation, yet this qualitative approach can guide future PNF implementation with older adults. Notably, responses support the quantitative data suggesting that PNF is a feasible and acceptable intervention for older adults.
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