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. 2023 Jul 1;65(7):e506-e513.
doi: 10.1097/JOM.0000000000002873. Epub 2023 Apr 30.

Paradoxical Associations of Occupational and Nonoccupational Sedentary Behavior With Cardiovascular Disease Risk Measures in Desk Workers

Abdullah B Alansare  1 , Joshua L Paley, Tyler D Quinn, Bethany B Gibbs
Affiliations

Paradoxical Associations of Occupational and Nonoccupational Sedentary Behavior With Cardiovascular Disease Risk Measures in Desk Workers

Abdullah B Alansare et al. J Occup Environ Med. .

Abstract

Objectives: We assessed sedentary behavior (SB) patterns and examined its associations, by domain, with cardiovascular disease (CVD) risk measures in desk workers ( N = 273).

Methods: Sedentary behavior was measured by activPAL3 and partitioned into occupational and nonoccupational SB. Cardiovascular disease risk measures included blood pressure, pulse wave velocity, heart rate, and heart rate variability. Paired t tests evaluated patterns of SB across domains. Linear regressions estimated associations of occupational and nonoccupational SB with CVD risk measures.

Results: Participants spent 69% of their time in SB; higher proportions were accumulated during occupational versus nonoccupational time. Higher all-domain SB was only associated with higher pulse wave velocity. Paradoxically, greater nonoccupational SB unfavorably associated with CVD risk measures, while higher occupational SB favorably correlated to CVD risk measures.

Conclusions: Observed paradoxical associations suggest that domain should be considered in efforts to improve cardiovascular health by reducing SB.

Trial registration: ClinicalTrials.gov NCT03307343.

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Conflict of interest statement

Conflict of interest: None declared.

Figures

Figure 1.
Figure 1.. Relative Patterns of All-domain SB, Occupational SB, and Non-occupational SB among Desk Workers.
Paired t tests compared relative durations of occupational and non-occupational SB. *** p<0.001 Abbreviations: Total SB, total sedentary behavior; SB30, sedentary behavior accumulated in bouts of at least 30 minutes; SB60, sedentary behavior accumulated in bouts of at least 60 minutes.
Figure 2.
Figure 2.. Relative Patterns of Non-occupational SB on Workdays and Non-workdays among Desk Workers.
Paired t tests compared relative durations of occupational and non-occupational SB. NS p >0.05; ** p<0.01 Abbreviations: Total SB, total sedentary behavior; SB30, sedentary behavior accumulated in bouts of at least 30 minutes; SB60, sedentary behavior accumulated in bouts of at least 60 minutes.
See this image and copyright information in PMC

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