Research Database

197 results for "Adolescents"


Longitudinal Sedentary Behavior Changes in Adolescents in Ho Chi Minh City

  • Published on March 2013

Background Sedentary behavior is associated with increased risk of chronic disease and sedentary behavior is increasing among adolescents. Data on changes in sedentary behavior in developing countries are limited. Purpose To describe 5-year longitudinal changes in nonschool sedentary hours among urban adolescents in Ho Chi Minh City, and to identify ...


A cluster randomised trial of a school-based intervention to prevent decline in adolescent physical activity levels: study protocol for the ‘Physical Activity 4 Everyone’ trial

  • Published on January 22, 2013

Background Adolescence is an established period of physical activity decline. Multi-component school-based interventions have the potential to slow the decline in adolescents’ physical activity; however, few interventions have been conducted in schools located in low-income or disadvantaged communities. This study aims to assess the effectiveness of a multi-component school-based intervention ...


Validity and Reproducibility of Motion Sensors in Youth: A Systematic Update

  • Published on April 2009

Purpose To review recently published studies on the reproducibility, validity, and feasibility of motion sensors used to assess physical activity in healthy children and adolescents (2-l1 yr). Methods In October 2004, a systematic literature search in PubMed, EMBASE, and PsyclNFO was performed. This search has been updated in October 2007. In this ...


School Practices, Economic Disparities, and Objectively Measured MVPA during School in Children Aged 8-13

  • Presented on February 26 2013

Background and Purpose Schools are an important setting for providing physical activity opportunities, but children's physical activity varies drastically across schools. Identifying specific school practices that are related to children's physical activity during school could inform policies and interventions. Objectives To investigate the relation of elementary school physical activity practices ...


Sex Moderates the Associations Between Perceptions of the Physical and Social Environment with Physical Activity in Youth

  • Presented on February 26 2013

Background and Purpose Youth across the United States are insufficiently active. Emerging literature has identified numerous perceived correlates of physical activity in youth but many studies rely on associations with self-reported physical activity. However, a recent review of studies utilizing perceived environmental correlates and objectively-measured physical activity in youth concluded ...


A Preliminary Study of Park Availability, Awareness and Use in Children: Combining GIS, GPS, Accelerometer and Self-Report Methods

  • Presented on February 26 2013

Background and Purpose A growing body of research has linked children‘s physical activity to neighborhood built environmental characteristics. in particular, neighborhood parks and open spaces have garnered much research attention for the opportunities they provide children to engage in physical activity. Studies in this area typically investigate the availability ...



Validation of Youth Physical Activity Questionnaire using ActiGraph Accelerometer among Preadolescents and Adolescents in Urban Settings of Karachi, Pakistan

  • Presented on 26 February 2013

Background and Purpose Physical activity (PA) during childhood and adolescence is essential for good health, normal growth and development. Accurate measurement of PA in children has a great importance for assessing frequency, duration and intensity to examine the trends, dose response and effectiveness of interventions to reduce the attributable risk ...


Differences Between 9–11 year old British Pakistani and White British Girls in Physical Activity and Behavior During School Recess

  • Published on December 18. 2012

Background School recess provides an important opportunity for children to engage in physical activity. Previous studies indicate that children and adults of South Asian origin are less active than other ethnic groups in the United Kingdom, but have not investigated whether activity differs within the shared school environment. The aim ...