Associations of Mutually Exclusive Categories of Physical Activity and Sedentary Behavior with Body Composition and Fall Risk in Older Women: A Cross-Sectional Study

Renoa Choudhury, Joon-Hyuk Park (), Chitra Banarjee, Ladda Thiamwong, Rui Xie and Jeffrey R. Stout
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Renoa Choudhury: Department of Mechanical Engineering, University of Central Florida, Orlando, FL 32816, USA
Joon-Hyuk Park: Department of Mechanical Engineering, University of Central Florida, Orlando, FL 32816, USA
Chitra Banarjee: College of Medicine, University of Central Florida, Orlando, FL 32816, USA
Ladda Thiamwong: Disability, Aging and Technology Cluster, University of Central Florida, Orlando, FL 32816, USA
Rui Xie: Department of Statistics and Data Science, University of Central Florida, Orlando, FL 32816, USA
Jeffrey R. Stout: Disability, Aging and Technology Cluster, University of Central Florida, Orlando, FL 32816, USA

IJERPH, 2023, vol. 20, issue 4, 1-16

Abstract: The individual effects of physical activity (PA) and sedentary behavior (SB) on health are well-recognized. However, little is known about the extent to which different combinations of these behaviors are associated with body composition and fall risk in older adults. This cross-sectional study examined the associations of mutually exclusive categories of PA and SB with body composition and fall risk in older women. Accelerometer-measured PA, body composition and fall risk (static and dynamic balance) parameters were assessed among 94 community-dwelling older women. The participants were categorized into four groups: active-low sedentary, active-high sedentary, inactive-low sedentary and inactive-high sedentary (active: ≥150 min/week moderate-to-vigorous PA (MVPA); low sedentary: lowest tertile of SB and light PA ratio). Compared to the inactive-high sedentary group, more favorable body composition and dynamic balance results were found in the active-low sedentary (body fat mass index (BFMI): β = −4.37, p = 0.002; skeletal muscle mass index (SMI): β = 1.23, p = 0.017; appendicular lean mass index (ALMI): β = 1.89, p = 0.003; appendicular fat mass index (AFMI): β = −2.19, p = 0.003; sit-to-stand: β = 4.52, p = 0.014) and inactive-low sedentary (BFMI: β = −3.14, p = 0.007; SMI: β = 1.05, p = 0.014; AFMI: β = −1.74, p = 0.005, sit-to-stand: β = 3.28, p = 0.034) groups. Our results suggest that PA programs focusing on concurrently achieving sufficient MVPA and reduced SB might promote a healthy body composition and reduced fall risk among older adults.

Keywords: aging; accelerometry; physical activity; sedentary behavior; bioelectrical impedance analysis; fall risk; older adults (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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