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Zhu, Zheng; Chen, Peijie; Zhuang, Jie – Research Quarterly for Exercise and Sport, 2013
Purpose: The purpose of this study was to develop and cross-validate an equation based on ActiGraph accelerometer GT3X output to predict children and youth's energy expenditure (EE) of physical activity (PA). Method: Participants were 367 Chinese children and youth (179 boys and 188 girls, aged 9 to 17 years old) who wore 1 ActiGraph GT3X…
Descriptors: Foreign Countries, Physical Activities, Physical Activity Level, Children
Schildhaus, Sam; Shaw-Taylor, Yoku; Pedlow, Steven; Pergamit, Michael R. – Office of National Drug Control Policy, 2004
The primary aim of this study was to describe the movement of adolescents and young adults into and out of drug use and to predict heavy drug use. The data source is the Department of Labor's National Longitudinal Survey of Youth, which began in 1979 with a sample of 12,686 adolescents aged 14-21. After 17 rounds and 19 years, the response rate in…
Descriptors: Drug Use, Young Adults, Adolescents, Longitudinal Studies
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Oxford, Rebecca; And Others – NABE: The Journal for the National Association for Bilingual Education, 1981
Unique in its use of several major national data sets to create a data base for future projections, this study reports the projected number of non-English language background and limited English proficient persons in the United States to the year 2000 for the nation, and by state, age, and language. (Author/CM)
Descriptors: Adolescents, Adults, Age Groups, Asian Americans