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. 2024 Sep 13;10(1):120.
doi: 10.1186/s40814-024-01546-9.

Evaluation of the usability and acceptability of the P-STEP® mobile app: feasibility study protocol

Hannah Worboys  1   2 , Laura Gray  3 , Sarah Anthony  4 , Rachel Hobson  4 , Tim Lucas  3 , Andre Ng  4
Affiliations

Evaluation of the usability and acceptability of the P-STEP® mobile app: feasibility study protocol

Hannah Worboys et al. Pilot Feasibility Stud. .

Abstract

Background: The new P-STEP® (Personalised Space Technology Exercise Platform) app is designed to bring together tailored exercise guidance and up-to-date air quality information. The app allows individuals to plan outdoor exercise walking routes while minimising their exposure to air pollution. Individuals with chronic long-term conditions, particularly respiratory and cardiovascular conditions, can use the app in order to minimise the risk of their symptoms being exacerbated by pollution, while still gaining the benefits of outdoor exercise.

Methods: This study will measure the usability and acceptability of the P-STEP® app. The study will take the form of a single-arm 12-week app pilot study based in Leicestershire, United Kingdom (UK). We will recruit a maximum of 380 participants from an existing cohort study to pilot the app for 12 weeks. Questionnaire data will be collected at three timepoints, baseline, 6 weeks and 12 weeks. The primary outcome is the System Usability Scale at 12 weeks. Secondary outcomes include the User Engagement Scale Short Form, SF-12, Recent Physical Activity Questionnaire (RPAQ), bespoke, app specific usability questions, and feasibility outcomes. Additional data collected includes participant demographic information, technology self-efficacy and adverse events. Weekly anonymised usage data from the app will also be collected by the app team and analysed separately to complement the questionnaire data.

Discussion: This study will help us better understand the feasibility and acceptability of using the P-STEP® in the community. The results will also help inform future studies.

Ethics and dissemination: This study has received ethical approval from the South West Frenchay Research Ethics (23/SW/0060) Committee. There is no need for further approval from the Health Research Authority as the study is not taking place in the NHS. The ClinicalTrials.gov ID number is NCT05830318.

Keywords: Environment; Physical Exercise; Pollution.

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Conflict of interest statement

None.

References

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