References
- Colley , R. C. , Janssen , I. and Tremblay , M. S. 2012 . Daily step target to measure adherence to physical activity guidelines in children . Medicine and Science in Sports and Exercise , 44 : 977 – 982 .
- Dollman , J. , Norton , K. and Cleland , V. 2005 . Evidence for secular trends in children's physical activity behaviour . British Journal of Sports Medicine , 39 : 892 – 897 .
- Huang , L. , Chen , P. , Zhuang , J. , Zhang , Y. and Walt , S. this supplement . Metabolic cost, mechanical work, and efficiency during normal walking in obese and normal-weight children . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Quan , M. , Chen , P. , Zhuang , J. and Wang , C. this supplement . Chinese city children and youth's walking behavior . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Sun , B. , Liu , Y. , Li , J. X. , Li , H. and Chen , P. this supplement . Prediction equations of energy expenditure in Chinese youth based on step frequency during walking and running . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Tomkinson , G. R. and Olds , T. S. 2007 . Secular changes in pediatric aerobic fitness test performance: The global picture . Medicine and Sport Science , 50 : 46 – 66 .
- Tudor-Locke , C. , Craig , C. L. , Beets , M. W. , Belton , S. , Cardon , G. M. , Duncan , S. and Blair , S. N. 2011 . How many steps/day are enough? for children and adolescents . The International Journal of Behavioral Nutrition and Physical Activity , 8 : 78 – 91 . doi:10.1186/1479-5868-8-78
- Tudor-Locke , C. , Pangrazi , R. P. , Corbin , C. B. , Rutherford , W. J. , Vincent , S. D. , Raustorp , A. and Cuddihy , T. F. 2004 . BMI-referenced standards for recommened pedometer-determined steps/day in children . Preventive Medicine , 38 : 857 – 864 . doi:10.1016/j.ypmed.2003.12.018
- Wang , C. , Chen , P. and Zhuang , J. this supplement-a . A national survey of physical activity and sedentary behavior of Chinese city children and youth using accelerometers . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Wang , C. , Chen , P. and Zhuang , J. this supplement-b . Validity and reliability of International Physical Activity Questionnaire–Short Form in Chinese youth . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Zhu , Z. , Chen , P. and Zhuang , J. this supplement-a . Intensity classification accuracy of accelerometer-measured physical activities in Chinese children and youth . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Zhu , Z. , Chen , P. and Zhuang , J. this supplement-b . Predicting Chinese children's and youth's energy expenditure using ActiGraph accelerometers: A calibration and cross-validation study . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Zhuang , J. , Chen , P. , Wang , C. , Huang , L. , Zhu , Z. , Zhang , W. and Fan , X. this supplement . Characteristics of missing physical activity data in children and youth . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )
- Zhuang , J. , Chen , P. , Wang , C. , Jin , J. , Zhu , Z. and Zhang , W. this supplement . Recovering physical activity missing data measured by accelerometers: A comparison of individual and group-centered recovery methods . Research Quarterly for Exercise and Sport , 84 ( Suppl. 2 )