Sedentary Behavior, Physical Activity Patterns, and Cardiometabolic Risk Factors in South African Office-Based Workers

被引:1
作者
Phaswana, Merling [1 ,3 ]
Gordon, Neil F. [1 ,2 ]
Gradidge, Philippe Jean-Luc [1 ]
机构
[1] Univ Witwatersrand, Fac Hlth Sci, Dept Exercise Sci & Sports Med, Johannesburg, South Africa
[2] INTERVENT Int, Savannah, GA USA
[3] Univ Witwatersrand, Johannesburg Univ, Fac Hlth Sci, Dept Exercise Sci & Sports Med, 27 St Andrews St, Parktown, South Africa
关键词
physical activity; sedentary behavior; cardiometabolic risk factors; office-based workers; South Africa; SITTING TIME; MORTALITY; SYSTEM;
D O I
10.1177/15598276231210479
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Office-based workers typically have a sedentary lifestyle and spend the majority of their working hours sitting, which can lead to an increased risk of cardiometabolic diseases. This cross-sectional study aimed to quantify sedentary behavior and overall physical activity, and to determine their association with cardiometabolic risk factors in a cohort of 122 office workers. Sedentary behavior and physical activity were assessed using questionnaires and wrist-worn Axivity accelerometers. Weight, height, body mass index, waist circumference, waist-to-height ratio, blood pressure, and point-of-care blood variables (namely, lipids and lipoproteins, glucose, and glycated hemoglobin) were also measured. Most (68.0%) of the study participants were women, with a mean age of 40.2 +/- 9.3 years. The self-reported total daily sedentary time for this cohort was 595.5 min/day (IQR: 413.5-863.4 min/day). Accelerometry-measured sedentary behavior was positively associated with light physical activity (beta: .98, P = .001) and inversely associated with moderate-to-vigorous activity (beta: -.08, P = .01). Both systolic (beta: -.234, P = .037) and diastolic blood pressure (beta: -.250, P < .001) were inversely associated with accelerometry-measured light physical activity. However, there was no association between sedentary behavior and cardiometabolic risk factors. Our findings show that South African office workers spend a substantial amount of time sitting during work hours and while commuting, and support the need for public health workplace interventions to mitigate the potential health risks of sedentary behavior.
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页数:8
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