Preprint Article Version 1 This version is not peer-reviewed

Associations between the Duration and Frequency of Sedentary Bouts and Adiposity in Elderly Community-Dwelling Women

Version 1 : Received: 11 November 2018 / Approved: 14 November 2018 / Online: 14 November 2018 (08:09:04 CET)

How to cite: Pechová, J.; Pelclová, J.; Gába, A.; Zając-Gawlak, I.; Tlučáková, L.; Dygrýn, J.; Svozilová, Z.; Lepková, H. Associations between the Duration and Frequency of Sedentary Bouts and Adiposity in Elderly Community-Dwelling Women. Preprints 2018, 2018110324 (doi: 10.20944/preprints201811.0324.v1). Pechová, J.; Pelclová, J.; Gába, A.; Zając-Gawlak, I.; Tlučáková, L.; Dygrýn, J.; Svozilová, Z.; Lepková, H. Associations between the Duration and Frequency of Sedentary Bouts and Adiposity in Elderly Community-Dwelling Women. Preprints 2018, 2018110324 (doi: 10.20944/preprints201811.0324.v1).

Abstract

Background: This study aimed to describe the frequency and duration of sedentary bouts and assess the bidirectional cross-sectional associations between these characteristics and adiposity in elderly women. Methods: Data from 314 elderly community-dwelling women (mean age 66.6±6.5 years) from Czech Republic, Poland, and Slovakia were analyzed. Measures were collected in 2008–2017. Fat mass percentage (FM%) was used as an indicator of adiposity. The patterns of sedentary behaviour were monitored using an accelerometer, and ≥5, ≥10, ≥20, ≥30, ≥40, and ≥60 minute bouts were analyzed. The exponent alpha was also calculated to express the accumulation of sedentary time in bouts. We performed a multiple linear regression analysis to assess the bidirectional causal association between variables. Results: There was a significant association of FM% with time spent in bouts with a duration ≥5, ≥10, ≥20min (β ranging 0.11–0.28, p≤0.01) and the frequency of bouts with a length ≥5, ≥10, ≥20, and ≥30min (β ranging 0.03–0.74, p≤0.05) in fully-adjusted models. In contrast, a strong negative association was observed between FM% and alpha (bout distribution) in both directions (p≤0.001). Conclusions: Our results suggest that the sedentary characteristics such as bout duration, bout frequency, and distribution (alpha) are bidirectionally associated with adiposity and they should be considered in further research in older adults.

Subject Areas

Adipose tissue, Adiposity, Sedentary bouts, Alpha sedentary, Elderly women

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