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Occurrence and duration of various operational definitions of sedentary bouts and cross-sectional associations with cardiometabolic health indicators : the ENERGY-project

Altenburg, T. M. and de Niet, M. and Verloigne, M. and De Bourdeaudhuij, I. and Androutsos, O. and Manios, Y. and Kovacs, E. and Bringolf-Isler, B. and Brug, J. and M. J. M, Chinapaw. (2015) Occurrence and duration of various operational definitions of sedentary bouts and cross-sectional associations with cardiometabolic health indicators : the ENERGY-project. Preventive medicine : an international journal devoted to practice and theory, Vol. 71. S. 101-106.

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Official URL: http://edoc.unibas.ch/dok/A6338903

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Abstract

This study examined the occurrence and duration of sedentary bouts and explored the cross-sectional association with health indicators in children applying various operational definitions of sedentary bouts.; Accelerometer data of 647 children (10-13 years old) were collected in five European countries. We analyzed sedentary time (>100cpm) accumulated in bouts of at least 5, 10, 20 or 30min based on four operational definitions, allowing 0, 30 or 60s ≥100cpm within bouts. Health indicators included anthropometrics (i.e. waist circumference and body mass index (BMI)) and in a subsample from two European countries (n=112) fasting capillary blood levels of glucose, C-peptide, high-density- and low-density cholesterol, and triglycerides. Data collection took place from March to July 2010. Associations were adjusted for age, gender, moderate-to-vigorous physical activity, total wear time and country.; Occurrence of sedentary bouts varied largely between the various definitions. Children spent most of their sedentary time in bouts of ≥5min while bouts of ≥20min were rare. Linear regression analysis revealed few significant associations of sedentary time accumulated in bouts of ≥5-30min with health indicators. Moreover, we found that more associations became significant when allowing no tolerance time within sedentary bouts.; Despite a few significant associations, we found no convincing evidence for an association between sedentary time accumulated in bouts and health indicators in 10-13 year old children.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
UniBasel Contributors:Bringolf-Isler, Bettina
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:1096-0260
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Feb 2015 09:59
Deposited On:06 Feb 2015 09:59

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