Research Database

553 results for "Children"

GIS Environmental Determinants of Objectively Measured Physical Activity and Intervention Uptake in Children

  • Presented on 03/01/2011

Background Although physical activity fosters healthy development among children (such as reducing obesity and type 2 diabetes risk as well as promoting positive mental well-being), less than half of children meet national physical activity guidelines. The accumulating research indicates that neighborhood environmental characteristics (e.g. access to walking destinations and community ...




Family and Home Correlates of Children’s Physical Activity in a Multi-Ethnic Population: The Cross-Sectional Child Heart and Health Study in England (CHASE)

  • Added on February 15, 2011

The influence of the family and home environment on childhood physical activity (PA) and whether this differs between ethnic groups remains uncertain. This paper investigates associations between family and home factors and childhood PA in a multi-ethnic population and explores whether associations differ between ethnic groups. Methods Cross-sectional study of 9...


Validity and Reliability of Activity Measures in African-American Girls for GEMS

  • Added on December 7, 2010

Purpose To determine the reliability and validity of physical activity monitors and self-report instruments suitable for young African-American girls. Methods A validation study was conducted by the Girls health Enrichment Multi-site Studies (GEMS) research team to compare an accelerometer with a pedometer and two self-report instruments for assessing physical activity ...


Validation and Calibration of Physical Activity Monitors in Children

  • Published on 2002

Objective This study was designed to validate accelerometer-based activity monitors against energy expenditure (EE) in children; to compare monitor placement sites; to field-test the monitors; and to establish sedentary, light, moderate, and vigorous threshold counts. Research Methods and Procedures Computer Science and Applications Actigraph (CSA) and Mini-Mitter Actiwatch (MM) monitors, ...



Selecting an Appropriate Motion Sensor in Children and Adolescents

  • Added on November 18, 2010

The purpose of the present study was to systematically review published evidence on the reproducibility, validity, and feasibility of motion sensors used to assess physical activity in healthy children and adolescents (2-18 yr). Method A systematic literature search was performed in October 2004 in PubMed, Embase, and SpycINFO. The clinimetric quality ...


Seasonality in Physical Activity and Sedentary Behavior in Young Children

  • Published on 2005

This study examined whether there was a significant seasonal variation in objectively measured habitual physical activity and sedentary behavior in young children. Participants were 209 children who attend nursery in Glasgow, Scotland, and measurements were taken using uniaxial accelerometry over 3 to 6 days. There were small but significant seasonal associations with physical ...


Sleep Changes Predict The Onset Of Physical Changes Associated With Puberty

  • Published on 12/03/2009

A study in the Dec.1 issue of the journal Sleep suggests that changes in children’s sleep patterns that typically occur between the ages of 11 and 12 years are evident before the physical changes associated with the onset of puberty. Results show that over the two-year course of the study, sleep ...