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Wang, Chao; Chen, Peijie; Zhuang, Jie – Research Quarterly for Exercise and Sport, 2013
Purpose: The purpose of this study was to objectively assess levels of physical activity (PA) and sedentary behavior (SB) of Chinese city children and youth aged 9 to 17 years old using accelerometers and to examine their differences by gender, age, grade, and weight status. Method: The PA and SB of 2,163 students in 4th grade through 11th grade…
Descriptors: Foreign Countries, Physical Activities, Physical Activity Level, Measurement Equipment
Black, Sandra E.; Devereux, Paul; Salvanes, Kjell – Centre for the Economics of Education (NJ1), 2006
Lower birth weight babies have worse outcomes, both short-run in terms of one year mortality rates and longer run in terms of educational attainment and earnings. However, recent research has called into question whether birth weight itself is important or whether it simply reflects other hard-to-measure characteristics. By applying within twin…
Descriptors: Body Weight, Educational Attainment, Mortality Rate, Labor Market