Two-year evolution of frailty status and predictive factors in Chinese older adults: a national longitudinal study

作者：Jing Shi, Luyao Zhang, Y. Tao, Chao Gao, Yan Cen, Sainan Li, Ying Li, Botao Sang, Xiangfei Liu, Qinan Ma, Xuezai Zeng, Yan Zhang, Deping Liu · 发表于：BMC Geriatrics · 年份：2025 · DOI：10.1186/s12877-025-06541-0 · 被引用次数：1 · 研究领域：Frailty in Older Adults、Palliative Care and End-of-Life Issues、Geriatric Care and Nursing Homes

BACKGROUND: With the global aging population, frailty in older adults has emerged as a critical focus in health and aging research. As a dynamic and multifactorial process, the transition to frailty is shaped by not only biological factors but also a range of social, psychological, and environmental influences. Identifying the key factors that drive the progression of frailty is essential for developing preventive interventions for at-risk individuals and for implementing more effective health practices and healthcare strategies for older adults. METHODS: Data for this study were drawn from the Fourth Sample Survey of the Aged Population in Urban and Rural China, organized by the China National Committee on Ageing. The baseline data were collected from older individuals who participated in the 2017 survey, and the follow-up data were from the 2019 survey. Frailty in older adults was assessed using the Frailty Index (FI) model, which was used to examine the current frailty status among older adults in China and to prospectively analyze the developmental trajectory of frailty. Logistic regression was used to identify the factors influencing the progression of frailty. RESULTS: A total of 9,093 older adults were included in the analysis. FI values increased with age and were consistently higher in women than in men, indicating that older women had higher levels of frailty. During the two-year follow-up period, frailty status remained stable in most older adults (56.2%, 5,111/9,0...