ArticleJMIR human factors2026
Development of a Blended Physical Activity Intervention for Office Employees Using Intervention Mapping: Intervention Development Study.
Article in JMIR human factors, 2026. 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
backgroundInsufficient engagement in moderate to vigorous physical activity (MVPA) is a significant risk factor for major noncommunicable diseases, including cardiovascular diseases (eg, coronary heart disease and stroke), type 2 diabetes, and several cancers. Physical inactivity accounts for an estimated 3.2 million deaths annually. Office employees, due to their sedentary and desk-based work patterns, are particularly vulnerable to low MVPA levels, which negatively affect health and work productivity. The COVID-19 pandemic exacerbated these issues, further reducing MVPA levels due to lockdowns and work-from-home policies. Although numerous interventions have aimed to promote MVPA, many lack theoretical grounding, stakeholder involvement, or systematic development frameworks. A theory- and evidence-informed approach is warranted to target modifiable determinants and mechanisms, improve coherence and replicability, and enhance effectiveness and scalability.
objectiveThis study aimed to design an evidence-based blended intervention to improve MVPA, health, and productivity among office employees, guided by the intervention mapping (IM) framework.
methodsFollowing the first 4 steps of the IM framework, we developed a 12-week blended intervention and created a website named "Smartly Active for Health and Life." Step 1 involved a needs assessment through a literature review and focus group discussions (n=12 office employees) to identify barriers, facilitators, and determinants of MVPA. Step 2 defined intervention outcomes, performance objectives, and change objectives based on the social ecological model. Step 3 integrated theory- and evidence-based behavior change techniques with delivery methods, resulting in a 3-group randomized controlled trial design: (1) a blended intervention group (web-based sessions and e-workshops), (2) a web-only intervention group, and (3) an active control group. Step 4 developed and refined intervention materials and protocols through a pilot study (n=18). Key behavior change techniques included problem-solving, goal setting, self-monitoring, and habit formation.
resultsThe pilot study demonstrated the intervention's acceptability, feasibility, and adaptability. Participants reported increased motivation, improved knowledge of MVPA benefits, and greater confidence in goal setting and self-regulation. Feedback led to refinements such as improved website navigation and interactive content. The intervention is expected to enhance MVPA levels, health, and work productivity by addressing both motivational and volitional phases of behavior change while supporting habitual behaviors.
conclusionsThe IM framework offered a systematic and iterative approach for developing a blended MVPA intervention tailored to the needs of office employees. This study highlights the importance of theory-driven and stakeholder-informed approaches in designing scalable and sustainable health promotion programs. The intervention has the potential to address the critical public health challenge of physical inactivity in office settings and serves as a model for future behavior change interventions. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): RR2-10.1186/s12889-020-09128-z.
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