“…The age range of participants was between 5 and 17 years, with the smallest mean age 9.8 ± 2 years ( Palisano et al, 2011 ), and the largest mean age 17.4 ± 3.7 years ( Puce et al, 2019 ). There were 15 cross-sectional studies ( Batey et al, 2014 , Fiorilli et al, 2016 , Giese et al, 2017 , Jin et al, 2018 , Li et al, 2018 , Maher et al, 2015 , Martin et al, 2013 , Ng et al, 2014 , Puce et al, 2019 , Te Velde et al, 2018 , Shikako-Thomas et al, 2013 , Whitney et al, 2019a , Whitney et al, 2019b , Gür et al, 2020 , Gallego-Méndez et al, 2020 ), one longitudinal study ( Gawrilow et al, 2016 ), and two cohort studies ( Brunes et al, 2015 , PALISANO et al, 2011 ). The included studies were conducted mainly in Western countries.…”