Research Database

1186 results for "Research Database"

ActiGraph GT3X+ cut-points for identifying sedentary behaviour in older adults in free-living environments

  • Published on Aug. 8, 2013

Objectives To determine the ActiGraph GT3X+ cut-points with the highest accuracy for estimating time spent in sedentary behaviour in older adults in free-living environments. ActivPAL3™ was used as the reference standard. Design Cross-sectional study. Methods 37 participants (13 males and 24 females, 73.5±7.3 years old) wore an ActiGraph GT3X+ and an ActivPAL3™ ...



Objectively measured sedentary behavior and physical activity in office employees: relationships with presenteeism

  • Published on August 2013

Objective Employee presenteeism is the extent to which health conditions adversely affect at-work productivity. Given the links between health and activity, this study examined associations between objectively measured physical activity, sedentary behavior, and presenteeism. Methods Participants were 108 office employees (70% women, mean age 40.7 ± 11.2 years). Activity was measured using ActiGraph GT3X+ ...


Validation of a previous-day recall measure of active and sedentary behaviors

  • Published on August 2013

Purpose A previous-day recall (PDR) may be a less error-prone alternative to traditional questionnaire-based estimates of physical activity and sedentary behavior (e.g., past year), but the validity of the method is not established. We evaluated the validity of an interviewer administered PDR in adolescents (12-17 yr) and adults (18-71 ...


Preschool physical activity and functional constipation: the generation R study

  • Published on December 2013

Objectives Decreased physical activity levels in children may partly explain the rising prevalence of functional constipation in childhood. The aim of the present study, therefore, was to examine the association between physical activity and functional constipation during the preschool period. Methods This study was embedded in the Generation R study, ...


Physical activity and respiratory symptoms in children: The generation R study.

  • Published on July 10, 2013

Background To assess the relationship between physical activity in second year of life and respiratory symptoms during the pre-school period. Methods This study was embedded in the Generation R Study, a large prospective birth-cohort study in Rotterdam, the Netherlands. Physical activity was measured in the second year of life by ...


Sedentary activity associated with metabolic syndrome independent of physical activity.

  • Published on February 2011

Objective This study examined the association between objectively measured sedentary activity and metabolic syndrome among older adults. Research Design & Methods Data were from 1,367 men and women, aged ≥ 60 years who participated in the 2003-2006 National Health and Nutrition Examination Survey (NHANES). Sedentary time during waking hours was measured by an ...


Physical Activity in German Adolescents Measured by Accelerometry and Activity Diary: Introducing a Comprehensive Approach for Data Management and Preliminary Results

  • Published on June 4, 2013

Introduction Surveillance of physical activity (PA) is increasingly based on accelerometry. However, data management guidelines are lacking. We propose an approach for combining accelerometry and diary based PA information for assessment of PA in adolescents and provide an example of this approach using data from German adolescents. Methods The 15-year-old ...



Factors Associated With Sedentary Lifestyle Of Hospitalized Patients Not Restricted To Bed

  • Added on December 11, 2013

Introduction: The prolonged length of stay on the bed is related to the development of musculoskeletal and respiratory disorders. Therefore, the investigation of the level of physical activity and to verifying which factors are associated with the physical activity level in hospitalized patients might be important for future strategies to ...