"Iterative 4-phase development of a theory-based digital behaviour change intervention to reduce occupational sedentary behaviour"

Aoife Stephenson, Matias Garcia-Constantino, S McDonough, Marie H Murphy, CD Nugent, Jacqueline L. Mair

Research output: Contribution to journalArticle

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Introduction: As high amounts of occupational sitting have been associated with
negative health consequences, designing workplace interventions to reduce
Sedentary Behaviour (SB) is of public health interest. Digital technology may serve as
a cost-effective and scalable platform to deliver such an intervention. This study
describes the iterative development of a theory-based, Digital Behaviour Change
Intervention (DBCI) to reduce occupational SB.
Methods: The Behaviour Change Wheel (BCW) and The Behaviour Change
Technique Taxonomy (BCTTv1) were used to guide the intervention design process
and form a basis for selecting the intervention components. The development
process consisted of 4 phases. Phase 1: Preliminary research, Phase 2: Consensus
workshops, Phase 3: White boarding, Phase 4: Usability testing.
Results: The process led to the development and refinement of a smartphone
application - “Worktivity”. The core component was self-monitoring and feedback of
SB at work, complemented by additional features focusing on goal setting, prompts
and reminders to break up prolonged periods of sitting, and educational facts and
tips. Key features of the app included simple data entry and personalisation based
on each individual’s self-reported sitting time. Results from the “think-aloud”
interviews (n=5) suggest “Worktivity” was well-accepted and users were positive
about its features.
Conclusion: This study led to the development of “Worktivity”, a theory-based and
user-informed mobile app intervention to reduce occupational SB. It is the first app
of its kind developed with the primary aim of reducing occupational SB using digital
self-monitoring. This paper provides a template to guide others developing and
evaluating technology-supported behaviour change interventions.
Original languageEnglish
JournalDigital Health
Publication statusAccepted/In press - 21 Feb 2020

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