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A 12-Month Digital Peer-Supported App Intervention to Promote Physical Activity Among Community-Dwelling Older Adults: Follow-Up Study of a Nonrandomized Controlled Trial

A 12-Month Digital Peer-Supported App Intervention to Promote Physical Activity Among Community-Dwelling Older Adults: Follow-Up Study of a Nonrandomized Controlled Trial

The world’s population is aging at an unprecedented rate [1]. The number of adults older than 65 years has tripled over the past 50 years, and by 2050, older adults are expected to account for a quarter of the global population [2-4]. Japan has a high proportion of older adults: 29.1% of the total population was aged 65 years or older in 2023 [5]. Healthy aging is a global health care challenge as population aging accelerates [6].

Kento Tabira, Yuko Oguma, Shota Yoshihara, Megumi Shibuya, Manabu Nakamura, Natsue Doihara, Akihiro Hirata, Tomoki Manabe, Takashi Yamashita

JMIR Aging 2025;8:e66610

Impact of a Light Volleyball Intervention Program on Improving Physical Attributes of Older Adults in Hong Kong: Preliminary Study of a Randomized Controlled Trial

Impact of a Light Volleyball Intervention Program on Improving Physical Attributes of Older Adults in Hong Kong: Preliminary Study of a Randomized Controlled Trial

Given the low birth rate and increasing life expectancy in Hong Kong, the trend toward an aging population is expected to persist in the coming decades in this region. The number of individuals aged ≥65 years is projected to rise substantially, reaching 1.89 million by 2019 and 30.5 million by 2069 [1]. This continual demographic shift highlights several societal challenges, including a decline in the working population and an increased burden on Hong Kong’s social welfare and health care systems.

Ka Man Leung, Yuchen Shi

JMIR Aging 2025;8:e62886

Testing an Innovative Gait Training Program in Immersive Virtual Reality for Healthy Older Adults: Protocol for a Randomized Controlled Trial

Testing an Innovative Gait Training Program in Immersive Virtual Reality for Healthy Older Adults: Protocol for a Randomized Controlled Trial

The initial recruitment will be carried out from an existing cohort of healthy older adults recruited by the Active Aging Chair. Participants are independent-living community dwellers aged between 65 and 80 years. They are active older adults with weekly moderate to vigorous physical activity. This study is a part of a broader research program aimed at determining the extent to which new technologies (eg, exergames and XR) can be used to promote healthy aging among active older adults [23,24,65].

Nicolas Mascret, Lisa Delbes, Cédric Goulon, Gilles Montagne

JMIR Res Protoc 2025;14:e57866

Power-Assist Add-Ons for Older Adult Manual Wheelchair Users: Protocol for a Scoping Review

Power-Assist Add-Ons for Older Adult Manual Wheelchair Users: Protocol for a Scoping Review

Manual wheelchairs support the mobility of older adult users and facilitate activities of daily living, thereby promoting independence, active aging, and aging in place [1]. However, cognitive, physical, and environmental deficiencies may hinder the independence of wheelchair users, jeopardizing their ability to retain their choices to continue to live in their preferred residence and communities [2-4].

Oladele Atoyebi, Andrew Wister, Johanne Mattie, Gloria Gutman, Habib Chaudhury, Carolyn Sparrey, O Yvette Jones, W Ben Mortenson, Eireann O’Dea, Sogol Haji Hosseini, Jaimie Borisoff

JMIR Res Protoc 2025;14:e56375

Forecasting Subjective Cognitive Decline: AI Approach Using Dynamic Bayesian Networks

Forecasting Subjective Cognitive Decline: AI Approach Using Dynamic Bayesian Networks

Healthy aging is crucial for maintaining individual well-being and managing the capacity of health and social care systems [1]. The economic impact of aging is profound, with health and social care costs surging worldwide [2,3]. In addition, population aging significantly increases the global burden of disease [4]. This situation highlights the urgent need for cost-effective preventive health care strategies.

Antti Etholén, Teemu Roos, Mirja Hänninen, Ioanna Bouri, Jenni Kulmala, Ossi Rahkonen, Anne Kouvonen, Tea Lallukka

J Med Internet Res 2025;27:e65028

Sexual Response Problems and Their Correlates Among Older Adults From the Sexual Well-Being (SWELL) Study in China: Multicenter Cross-Sectional Study

Sexual Response Problems and Their Correlates Among Older Adults From the Sexual Well-Being (SWELL) Study in China: Multicenter Cross-Sectional Study

Given China’s rapidly aging population [24,25], the sexual health of older adults is a growing concern. A comprehensive understanding of older adults’ sexual response problems may enhance sex education, research, policy, and clinical care for this growing population. This multicentre cross-sectional study, using data from the Sexual Well-being (SWELL) study in China, aims to fill the research gap by examining the prevalence of sexual response problems and their correlates among older adults.

Bingyu Liang, Chen Xu, Bingyi Wang, Xinyi Li, Xin Peng, Ying Wang, Hui Li, Yong Lu, Xiaopei Shen, Lin Ouyang, Guohui Wu, Maohe Yu, Jiewei Liu, Xiaojun Meng, Yong Cai, Huachun Zou

JMIR Aging 2025;8:e66772