The number of older adults living alone is continuously increasing according to changes in the social environment, such as family systems and the perception of family support. In Korea, this number has gradually increased from 16% in 2000 to 19.6% in 2020, and it is expected to increase in the future (Chun, 2021). This is not just a trend in Korea. In the United States, it has been reported that 29% of community-dwelling older adults aged 65 and over, excluding those living in institutions, live alone (Roberts et al., 2018). Older adults living alone are known to have more health-related problems and psychological distress than older adults living with others (Choi, 2020;Dreyer et al., 2018;Gyasi et al., 2020). Therefore, maintaining an independent and healthy life is an important issue for older adults living alone, personally and socially.For older adults to maintain an independent and healthy life, it is essential to maintain and promote physical functions, especially