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Use of a smartphone app combined with beacons and gamification to increase the level of physical activity of adults and older adults: a sequential multiple assignment randomized trial

Grant number: 18/21536-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2020
Effective date (End): April 30, 2022
Field of knowledge:Interdisciplinary Subjects
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Victor Zuniga Dourado
Grantee:Maria Do Socorro Morais Pereira Simões
Home Institution: Instituto de Saúde e Sociedade (ISS). Universidade Federal de São Paulo (UNIFESP). Campus Baixada Santista. Santos , SP, Brazil

Abstract

Background There is scientific evidence suggesting that app-based interventions targeted to increase the level of physical activity might be effective, although multi-component interventions appear to be more effective than app-based interventions alone. Despite the motivating results, it remains unclear whether or not app-based interventions can increase the level of physical activity and cardiovascular health in Brazil. Objective The aim of this study is to investigate the effect of a smartphone app combined with gamification on the level of physical activity of adults and older adults. The specific aims are: to verify the effects of the intervention on cardiometabolic and cardiovascular health, lung function, and cardiorespiratory fitness; to verify the relationship between age group and the response rate; to identify barriers and facilitators to increase the level of physical activity; and to identify factors related to non-adherence. Methods This will be a single blinded randomized trial with adaptive intervention. Initially, participants will be randomized into 3 groups. The adaptive intervention protocol will last 3 months. In the middle of the third month, participants will be classified into responders and non-responders according to the increase on average number of daily steps; all those considered as non-responders will be re-randomized, with the chance to participate in a third group. Our hypothesis is that an app combined with beacon technology and based on behavior change techniques, will be an effective tool do increase the level of physical activity of adults and older adults. (AU)