Implementability of a community-based intervention to reduce sedentary time-The EngAge Project
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Date
2025-08
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University of New Brunswick
Abstract
This study evaluated the implementability of a 9-week home-based intervention to reduce older adults’ sedentary behavior. The main outcome, implementability, was assessed using eight criteria: adherence, adverse events, completion, engagement, dropouts, quality, training, and user satisfaction. It was hypothesized that completers would meet a minimum cut-off of 5/8 tested with a one-proportion test. Secondary outcomes included changes in physical functions and objectively measured sedentary behavior. Forty-two people participated (age 66 to 75; 74% female). Despite a high number of dropouts (n=18), all completers met six or more implementability criteria, 87% met seven (p=0.01), and 52% all (p=0.84). For completers, two out of three physical function tests showed significant improvement (p < 0.05), along with increased daily steps and upright time (p 0.05). Given the small number of resources needed to deliver the intervention and the high proportion of older people with high sedentary behavior, the intervention could be scaled up.