Computer Prompt to reduce sitting time "Ponte de Pie": Barriers and Facilitators to Adherence in a Randomized Workplace Intervention.

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Sonia Roa-Alcaino, Catalina Olsen-Cid, Sara Ramos-Fuster, Jaime Leppe
Purpose:

The study aimed to identify barriers and facilitators to adherence to the "Ponte de Pie" protocol among university office workers, using the COM-B model to assess factors related to capacities, opportunities, and motivations influencing participation.

Methods:

A qualitative analysis was conducted using focus groups with office workers as part of a randomized clinical trial (NCT05790837). Braun and Clarke’s thematic analysis was applied, grouping themes deductively using the COM-B model. Participants shared experiences with the computer-prompted breaks, focusing on facilitators and barriers to regular participation. Data were analyzed thematically, and key themes were organized according to the COM-B framework.

Results:

Facilitators in Capability included the simplicity and adaptability of exercises, which required no equipment, making them accessible to all. Immediate physical and psychological benefits were observed, like reduced joint pain and stress relief. Under Opportunity, software flexibility in adjusting break times was a key facilitator, especially for those with demanding schedules. Social support from management and colleagues further encouraged adherence, fostering a positive workplace culture. For Motivation, mental benefits and habit formation reinforced participants’ commitment.

Barriers in Capability included pre-existing joint discomfort, which raised concerns about aggravating conditions. Under Opportunity, employees with public-facing roles or heavy workloads struggled to follow prompts consistently, with some finding the frequent reminders disruptive. Regarding Motivation, lack of variety in the exercises reduced long-term engagement, and insufficient supervision decreased confidence in performing the exercises correctly.


Conclusion(s):

The study highlights the need to address both individual and organizational factors for successful sedentary behavior interventions. Accessible, flexible activities and supportive workplace culture were key facilitators, while physical discomfort and time constraints posed significant barriers. Professional guidance, such as physiotherapist-led instruction, could improve adherence by enhancing confidence and proper execution.

Implications:

The study shows the relevance of intentionally breaking sedentary patterns to improve physical and mental health, although barriers must be addressed, and organizational culture must shift to support these changes. Future interventions should address various workplace settings and provide strategies for long-term engagement. Physiotherapists have a crucial role in occupational health. They can design and lead interventions to reduce sedentary behavior, support behavior changes, and promote adherence to workplace health activities.

Funding acknowledgements:
Chile's National Research and Development Agency-PhD(c) N°2022-21221861, Social Security Superintendence & Chilean Security Association N°280-2022.
Keywords:
Sedentary behavior
Adherence
COM-B
Primary topic:
Occupational health and ergonomics
Second topic:
Musculoskeletal
Third topic:
Health promotion and wellbeing/healthy ageing/physical activity
Did this work require ethics approval?:
Yes
Name the institution and ethics committee that approved your work:
Scientific Ethical Committee, Faculty of Medicine of Clínica Alemana – Universidad del Desarrollo (Case 2023-29). Santiago, Chile.
Provide the ethics approval number:
Case 2023-29
Has any of this material been/due to be published or presented at another national or international conference prior to the World Physiotherapy Congress 2025?:
No

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