Usability and User Acceptance of PointPhysio for Promotive Physiotherapy Services: A Cross-Sectional SUS-TAM Study
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Abstract
Background: Digital access is expanding the reach of physiotherapy, yet a platform that is clinically relevant but difficult to use or poorly accepted is unlikely to be sustained in community practice. This study evaluated the usability and user acceptance of PointPhysio, a digital platform for promotive physiotherapy, using the System Usability Scale (SUS) and the Technology Acceptance Model (TAM).
Methods: A cross-sectional system-evaluation study included 100 participants (50 physiotherapy students and 50 community participants) who completed five standardized PointPhysio task scenarios followed by the 10-item SUS and TAM measures of perceived ease of use (PEOU), perceived usefulness (PU), attitude toward using (ATU), and behavioral intention (BI). Descriptive statistics, internal-consistency analysis, Pearson correlations, and standardized linear regression were used.
Results: The mean SUS score was 77.35 ± 8.45, and 85.0% of participants scored at least 68. Task completion ranged from 84% to 95%. Mean PEOU, PU, ATU, and BI scores were 4.03, 4.16, 3.98, and 4.04, respectively. PEOU and PU were significant predictors of BI, whereas ATU was not independently associated with BI after adjustment for the other TAM constructs.
Conclusion: PointPhysio demonstrated favorable perceived usability and generally positive technology acceptance. The findings support prioritizing simple navigation, clear feature benefits, and task-level interface refinement when integrating digital tools into promotive physiotherapy and community movement-health education.
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