ORIGINAL PAPER
Effects of a mobile health intervention on health-related outcomes in Japanese office workers: a pilot study
 
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KDDI Research, Inc., Saitama, Japan (Life Science Laboratories)
 
 
Online publication date: 2024-02-20
 
 
Corresponding author
Takumi Meguro   

KDDI Research, Inc., Life Science Laboratories, 2-1-15 Ohara, Fujimino-shi, Saitama, 356-8502, Japan
 
 
Int J Occup Med Environ Health. 2024;37(2):153-64
 
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Objectives: The purpose of the current study was to explore the effects of a mobile health (mHealth) intervention based on the Persuasive System Design (PSD) model on health-related outcomes among office workers. Material and Methods: The authors conducted a trial that consisted of a 4-week baseline and an 8-week intervention period by reference to 23 office workers in a private research company. The mHealth application was developed to improve these workers’ daily step count, decrease their sedentary time, and increase their sleep duration in accordance with the PSD model. The app features included at least 1 principal factor from each of the 4 main categories of the PSD model (primary task support, dialogue support, system credibility support, and social support). The objective health-related variables were measured using a smartwatch (Fitbit Luxe) that was synchronized with the application using the Fitbit Web Application Programming Interface. Subjects used the app, which included self-monitoring, personalized messages, education, and a competition system for users, during the intervention period. Results: Sedentary time exhibited a significant decrease (a median reduction of 14 min/day, p < 0.05) during the intervention period. No significant differences in daily step count and sleep duration were observed between the baseline and intervention periods. Conclusions: This study suggests that the mHealth intervention based on the PSD model was useful for reducing sedentary time among office workers. Given that many previous studies on this topic have not been based on any theories, future studies should investigate the impact of structured selection behavior change theories on health-related outcomes among office workers. Int J Occup Med Environ Health. 2024;37(2):153–64
eISSN:1896-494X
ISSN:1232-1087
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