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Can the use of sit-stand tables change the level of physical activity and body composition of office workers with overweight/obesity?


The aim of this study is to investigate whether sit-stand table use during 6 months in real work settings is able to improve musculoskeletal symptoms, physical activity level and body composition parameters, in office workers classified as overweight/obese type I (Study 1); as well as to evaluate if sit-stand table use changes physical activity level at leisure time of this same population (Study 2). This study will evaluate 30 office workers, that will be divided into a case group (n=15) and a control group (n=15). The control group will be composed by office workers with BMI of 18.5-25.9 kg/m² and the case group will be composed by office workers with overweight or obesity type I (25.0 - 34.9 kg/m² BMI). In Study 1 workers will be assessed through self-reported questionnaires (perception of musculoskeletal symptoms, productivity and fatigue). Moreover, body composition will be measured by Dual-energy X-ray absorptiometry and the level of activity at work will be measured though accelerometers. A system that reminds the workers to change the position of the table and record the information of the table use (down - sitting work; up - standing work) will be integrated with the sit-stand table. In Study 2, accelerometers and a diary will be used to register the level of activity of the population outside of work. Understanding whether the use of an adjustable table can improve musculoskeletal health, without negatively changing the level of physical activity at leisure time, is very important for this population. Moreover, it can be considered a public health issue, since it deals with a subsidiary solution for the prevention of sedentary behavior and obesity. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BARBIERI, DECHRISTIAN FRANCA; BRUSACA, LUIZ AUGUSTO; MATHIASSEN, SVEND ERIK; OLIVEIRA, ANA BEATRIZ. Effects of Time in Sitting and Standing on Pleasantness, Acceptability, Fatigue, and Pain When Using a Sit-Stand Desk: An Experiment on Overweight and Normal-Weight Subjects. JOURNAL OF PHYSICAL ACTIVITY & HEALTH, v. 17, n. 12, p. 1222-1230, . (19/02004-0, 18/06359-4)
BRUSACA, LUIZ AUGUSTO; BARBIERI, DECHRISTIAN FRANCA; MATHIASSEN, SVEND ERIK; HOLTERMANN, ANDREAS; OLIVEIRA, ANA BEATRIZ. Physical Behaviours in Brazilian Office Workers Working from Home during the COVID-19 Pandemic, Compared to before the Pandemic: A Compositional Data Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, v. 18, n. 12, . (19/02004-0, 19/25140-6, 18/06359-4)

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