期刊
JMIR MHEALTH AND UHEALTH
卷 7, 期 9, 页码 -出版社
JMIR PUBLICATIONS, INC
DOI: 10.2196/13127
关键词
intention; physical activity apps; university students; UTAUT
Background: Many university students are lacking adequate physical exercise and are failing to develop physical activity (PA) behaviors in China PA app use could improve this situation. Objective: The aim of this study was to use the unified theory of acceptance and use of technology (UTAUT) to investigate the intention to use PA apps among university students in Guangzhou, China, and how body mass index (BMI) moderates the effects of UTAUT in explaining PA app use intention. Methods: A cross-sectional study was conducted among 1704 university students from different universities in Guangzhou, China The UTAUT model was used to measure the determinants of intention to use PA apps. Results: Of the participants, 41.8% (611/1461) intended to use PA apps. All three UTAUT-related scales (performance expectancy, effort expectancy, and social influence) were positively associated with the intention to use PA apps after adjusting for background variables (adjusted odds ratio 1.10-1.31, P<.001). The performance expectancy scale had stronger associations with the intention to use PA apps among those whose BMI were beyond normal range compared with those whose BMI were within normal range (P<.001). Conclusions: UTAUT is useful for understanding university students' intention to use PA apps. Potential moderating effects should be kept in mind when designing UTAUT-based interventions to improve PA via app use.
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