Introduction The effects of the continued use of online health promotion activities enabled by evolving information and communication technology remain unknown. This study aimed to determine the effects of online group health promotion activities among community-dwelling older adults. Methods Twenty-four community-dwelling older adults participated in online health promotion activities for 5 wk, which included group exercises and health lectures. Physical function and activity were measured before and after the online activities. Results Two participants dropped out due to falls or by personal choice. A significant improvement in grip strength and physical activity (respectively, p < 0.01) and a partial improvement in psychological negative mood (p < 0.05) were observed after the online activity. Conclusions Online group health promotion activities enhanced participants’ psychological well-being while encouraging behavioral changes and improving physical activity levels. Our results highlight new opportunities for health promotion initiatives, particularly during times when face-to-face activities are difficult.
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