B. K. Pedersen and B. Saltin, Evidence for prescribing exercise as therapy in chronic disease, Scand J Med Sci Sports, vol.16, pp.3-63, 2006.

P. C. Hallal, C. G. Victora, M. R. Azevedo, and J. C. Wells, Adolescent physical activity and health: a systematic review, Sports Med, vol.36, pp.1019-1049, 2006.

T. J. Saunders and J. K. Vallance, Screen time and health indicators among children and youth: current evidence, limitations and future directions, Appl Health Econ Health Policy, vol.15, pp.323-354, 2017.

J. R. Sirard and R. R. Pate, Physical activity assessment in children and adolescents, Sports Med, vol.31, pp.439-54, 2001.

G. Mclellan, R. Arthur, and D. S. Buchan, Wear compliance, sedentary behaviour and activity in free-living children from hip-and wrist-mounted ActiGraph GT3X+ accelerometers, J Sports Sci, vol.5, pp.1-7, 2018.

S. Brage, N. Wareham, N. Wedderkopp, L. Andersen, U. Ekelund et al., Features of the metabolic syndrome are associated with objectively measured physical activity and fitness in Danish children: the European youth heart study, Diabetes Care, vol.27, pp.2141-2149, 2004.

U. Ekelund, A. Yngve, S. Brage, K. Westerterp, and M. Sjostrom, Body movement and physical activity energy expenditure in children and adolescents: how to adjust for differences in body size and age, Am J Clin Nutr, vol.79, pp.851-857, 2004.

C. Riddoch, L. Andersen, N. Wedderkopp, M. Harro, L. Klasson-heggebo et al., Physical activity levels and patterns of 9-and 15-yr-old European children, Med Sci Sports Exerc, vol.36, pp.86-92, 2004.

M. D. Schmidt, P. S. Freedson, and L. Chasan-taber, Estimating physical activity using the CSA accelerometer and a physical activity log, Med Sci Sports Exerc, vol.35, pp.1605-1616, 2003.

J. R. Ruiz, F. B. Ortega, D. Martínez-gómez, I. Labayen, L. A. Moreno et al., Objectively measured physical activity and sedentary time in European adolescents: the HELENA study, Am J Epidemiol, vol.174, pp.173-84, 2011.

R. P. Troiano, D. Berrigan, K. W. Dodd, L. C. Masse, T. Tilert et al., Physical activity in the United States measured by accelerometer, Med Sci Sports Exerc, vol.40, pp.181-189, 2008.

E. Rousham, P. Clarke, and H. Gross, Significant changes in physical activity among pregnant women in the UK as assessed by accelerometry and self-reported activity, Eur J Clin Nutr, vol.60, pp.393-400, 2005.

L. Choi, Z. Liu, C. E. Matthews, and M. S. Buchowski, Validation of accelerometer wear and nonwear time classification algorithm, Med Sci Sports Exerc, vol.43, pp.357-64, 2011.

M. Toftager, P. L. Kristensen, M. Oliver, S. Duncan, L. B. Christiansen et al., Accelerometer data reduction in adolescents: effects on sample retention and bias, Int J Behav Nutr Phys Act, vol.10, p.140, 2013.

L. Choi, S. C. Ward, J. F. Schnelle, and M. S. Buchowski, Assessment of wear/nonwear time classification algorithms for triaxial accelerometer, Med Sci Sports Exerc, vol.44, pp.2009-2025, 2012.

K. R. Evenson and J. W. Terry, Assessment of differing definitions of accelerometer nonwear time, Res Q Exerc Sport, vol.80, pp.355-62, 2009.

L. C. Mâsse, B. F. Fuemmeler, C. B. Anderson, C. E. Matthews, S. G. Trost et al., Accelerometer data reduction: a comparison of four reduction algorithms on select outcome variables, Med Sci Sports Exerc, vol.37, pp.544-54, 2005.

E. L. Mailey, N. P. Gothe, T. R. Wójcicki, A. N. Szabo, E. A. Olson et al., Influence of allowable interruption period on estimates of accelerometer wear time and sedentary time in older adults, J Aging Phys Act, vol.22, pp.255-60, 2014.

S. K. Keadle, E. J. Shiroma, P. S. Freedson, and I. M. Lee, Impact of accelerometer data processing decisions on the sample size, wear time and physical activity level of a large cohort study, BMC Public Health, vol.14, p.1210, 2014.

J. A. Banda, K. F. Haydel, T. Davila, M. Desai, S. Bryson et al., Effects of varying epoch lengths, Wear time algorithms, and activity cut-points on estimates of child sedentary behavior and physical activity from accelerometer data, PLoS One, vol.11, p.150534, 2016.

E. Aadland, L. B. Andersen, S. A. Anderssen, and G. K. Resaland, A comparison of 10 accelerometer non-Wear time criteria and logbooks in children, BMC Pub Health, vol.18, p.323, 2018.

M. J. Chinapaw, M. De-niet, M. Verloigne, D. Bourdeaudhuij, I. Brug et al., From sedentary time to sedentary patterns: accelerometer data reduction decisions in youth, PLoS One, vol.9, p.111205, 2014.

X. L. Janssen, K. N. Basterfield, M. S. Parkinson, J. K. Pearce, A. J. Reilly et al., Objective measurement of sedentary behavior: impact of non-Wear time rules on changes in sedentary time, BMC Pub Health, vol.15, p.515, 2015.

D. W. Esliger, J. L. Copeland, J. D. Barnes, and M. S. Tremblay, Standardizing and optimizing the use of accelerometer data for free-living physical activity monitoring, J Phys Act Health, issue.3, pp.366-83, 2005.

A. Santos-lozano, P. J. Marín, G. Torres-luque, J. R. Ruiz, A. Lucía et al., Technical variability of the GT3X accelerometer, Med Eng Phys, vol.34, pp.787-90, 2012.

A. Santos-lozano, G. Torres-luque, P. J. Marín, J. R. Ruiz, A. Lucia et al., Intermonitor variability of GT3X accelerometer, Int J Sports Med, vol.33, pp.994-1003, 2012.

M. Romanzini, E. L. Petroski, D. Ohara, A. C. Dourado, and F. F. Reichert, Calibration of ActiGraph GT3X, Actical and RT3 accelerometers in adolescents, Eur J Sport Sci, vol.14, pp.91-100, 2014.

C. Rich, M. Geraci, L. Griffiths, F. Sera, C. Dezateux et al., Quality control methods in accelerometer data processing: defining minimum wear time, PLoS One, vol.24, p.67206, 2013.

J. Carrasco, B. Phillips, J. Puig-martinez, T. King, and V. Chinchilli, Estimation of the concordance correlation coefficient for repeated measures using SAS and R, Comput Methods Prog Biomed, vol.109, pp.293-304, 2013.

J. M. Bland and D. G. Altman, Agreement between methods of measurement with multiple observations per individual, J Biopharm Stat, vol.17, pp.571-82, 2007.

J. L. Fleiss, The design and analysis of clinical experiments, pp.1-32, 1986.

K. L. Cain, J. F. Sallis, T. L. Conway, D. Van-dyck, and L. Calhoon, Using accelerometers in youth physical activity studies: a review of methods, J Phys Act Health, vol.10, pp.437-50, 2013.

J. H. Migueles, C. Cadenas-sanchez, U. Ekelund, D. Nyström, C. Moragonzalez et al., Accelerometer data collection and processing criteria to assess physical activity and other outcomes: a systematic review and practical considerations, Sports Med, vol.47, pp.1821-1866, 2017.

K. Corder, S. J. Sharp, A. J. Atkin, S. J. Griffin, A. P. Jones et al., Change in objectively measured physical activity during the transition to adolescence, Br J Sports Med, vol.49, pp.730-736, 2015.

F. B. Ortega, K. Konstabel, E. Pasquali, J. R. Ruiz, A. Hurtig-wennlöf et al., Objectively measured physical activity and sedentary time during childhood, adolescence and young adulthood: a cohort study, PLoS One, vol.8, p.60871, 2013.