Association between perceived neighborhood environment, sedentary behavior, walking, and moderate-to-vigorous physical activity and frailty: an isotemporal substitution model.

ABSTRACT:

Introduction

With the rapid increases of older population and growing demand for longevity worldwide, frailty has become a major hurdle to sustaining healthy aging. As residential areas are the primary domains of mobility for older adults, the neighborhood environment is a crucial factor for their daily living and physical activity. This study aims to investigate whether replacing sedentary behavior with physical activity and having a supportive neighborhood environment are associated with frailty status in older adults.

Methods

A cross-sectional analysis was conducted with 2,650 participants aged 70-84 years from the Korean Frailty and Aging Cohort Study (KFACS). The main explanatory variables included self-reported physical activity, sedentary behavior (SB), and perceived

SUBMITTER: Nam HK 

PROVIDER: S-EPMC12309208 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature