Study	Reason for exclusion
Abdukić 2015	Intervention not aimed at promoting physical activity
Aceves‐Martins 2017	No objective measure of physical activity or physical fitness
ACTRN12619000091101	No objective measure of physical activity or physical fitness
ACTRN12619000431123	Intervention not aimed at promoting physical activity
ACTRN12619000457145	Data on outcomes from children aged 6 to 18 not reported
ACTRN12619000766112	Intervention < 12 weeks
ACTRN12619000854134	Data on relevant outcomes for children aged 6 to 18 years not reported
ACTRN12619001229167	No objective measure of physical activity or fitness
Adab 2014	Not a randomised controlled trial
Adkins 2017	Not a randomised controlled trial
Adsiz 2012	Data on relevant outcomes not reported
Agurto 2018	Intervention not school‐based
Aittasalo 2019	Intervention < 12 weeks
Akdemir 2017	Data on relevant outcomes in children aged 6 to 18 not reported
Aleksić 2013	No objective measure of physical activity or physical fitness
Alexander 2014	Not a randomised controlled trial
Alievi 2019	Data on relevant outcomes not reported
Allara 2018	Not a randomised controlled trial
Almas 2013	Not a randomised controlled trial
Androutsos 2014	Data on relevant outcomes for children aged 6 to 18 years not reported
Annesi 2017	Intervention not school‐based
Anselma 2019	Data on relevant outcomes not reported
Araujo‐Soares 2009a	No objective measures of physical activity, physical fitness, or body composition
Ardic 2017	Not a randomised controlled trial
Arlinghaus 2017	No objective measure of physical activity or physical fitness reported
Armstrong 2016	Not a randomised controlled trial
Ashanin 2018	Not a randomised controlled trial
Åvitsland 2020	Data on relevant outcomes not reported
Babic 2016	Not aimed at the general population
Bacardi‐Gascon 2012	Intervention not aimed at promoting physical activity
Bailey 2015	Intervention < 12 weeks
Baranowski 2019	Not aimed at general population
Barbosa 2015	No objective measure of physical activity or physical fitness
Barbosa Filho 2019	Data on relevant outcomes not reported
Barr‐Anderson 2012	Not a randomised controlled trial
Barrett‐Williams 2017	Not a randomised controlled trial
Bartholomew 2018	Data on physical activity not reported
Barton 2015	Intervention < 12 weeks
Batistão 2019	Intervention < 12 weeks
Bechter 2019	Intervention < 12 weeks
Bechter 2019a	Intervention < 12 weeks
Beets 2014	Intervention not school‐based.
Beets 2015	Intervention not school‐based.
Beets 2016	Intervention not school‐based.
Belansky 2016	Not a randomised controlled trial
Bell 2019	Intervention not aimed at promoting physical activity
Benden 2011	Data on relevant outcomes not reported
Benden 2014	Data on relevant outcomes not reported
Berger‐Jenkins 2014	Not a randomised controlled trial
Beyler 2014	Data on relevant outcomes not reported
Bhave 2016	Not a randomised controlled trial
Biddle 2015	Intervention not school‐based.
Bilak‐Moconja 2018	No objective measure of physical activity or physical fitness
Blaes 2013	Intervention < 12 weeks
Bleeker 2015	Data on relevant outcomes not reported
Bogart 2016	Intervention < 12 weeks
Bonnema 2020	Data on relevant outcomes not reported
Bonsergent 2013	Intervention not aimed at promoting physical activity
Brandstetter 2012	Intervention not aimed at promoting physical activity
Braun 2017	Not a randomised controlled trial
Bremer 2018	Not a randomised controlled trial
Brill 2012	Intervention < 12 weeks
Bronikowski 2011	Not a randomised controlled trial
Brusseau 2016	Not a randomised controlled trial
Buchan 2012	Intervention < 12 weeks
Bugge 2012	Not a randomised controlled trial
Bundy 2017	Data on relevant outcomes not reported
Bungum 2014	Not a randomised controlled trial
Bunketorp 2015	Not a randomised controlled trial
Burguera 2011	Intervention not school‐based
Burns 2015	Not a randomised controlled trial
Bustos 2016	Primary focus not to increase physical activity
Børrestad 2012	Not aimed at general population
Calvert 2018	Not a randomised controlled trial
Cao 2015	Intervention not aimed at promoting physical activity
Cao 2019	Intervention not aimed at promoting physical activity
Castelli 2014	Not a randomised controlled trial
Centis 2012	Clinical intervention; not relevant to public health
Chase 2018	Intervention < 12 weeks
Chen 2016	Data on relevant outcomes for children aged 6 to 18 years not reported
Chillon 2011	Not a randomised controlled trial
Christiansen 2014	Intervention not aimed at promoting physical activity
Cichy 2012	Data on relevant outcomes not reported
Clapham 2015	Not a randomised controlled trial
Clemes 2020	Primary purpose not to increase physical activity
Coknaz 2019	Intervention not school‐based
Colin‐Ramirez 2010	No objective measures of physical activity, physical fitness, or body composition
Collins 2014	Not aimed at general population
Costa‐Urrutia 2019	Not a randomised controlled trial
Costigan 2018	Intervention < 12 weeks
CTRI/2019/03/018133	Not aimed at the general population
CTRI/2019/04/018834	No objective measure of physical activity or physical fitness
CTRI/2019/09/021452	No objective measure of physical activity or fitness
Čuljak 2011	Data on relevant outcomes not reported
Cunha 2017	Data on relevant outcomes not reported
Cvejić 2017	Intervention < 12 weeks
D'Haese 2013	Intervention < 12 weeks
Dai 2014	Intervention not school‐based
Dallolio 2016	Not a randomised controlled trial
Danielson 2018	Not a randomised controlled trial
Dannenberg 2018	Data on relevant outcomes not reported
Darabi 2017	Data on relevant outcomes for children aged 6 to 18 years not reported
da Silva 2013	Not a randomised controlled trial
da Silva Bandeira 2019	No objective measure of physical activity or fitness
de Araujo 2012	Not a randomised controlled trial
de Barros 2009	Outcomes not reported for children aged 6 to 18
de Greeff 2014	Not a randomised controlled trial
Del Duca 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Delgado‐Floody 2018	Not aimed at general population
de Meij 2011	Not a randomised controlled trial
de Meij 2013	Not a randomised controlled trial
Demetriou 2019a	Data on relevant outcomes not reported
de Souza Santos 2015	Intervention not aimed at promoting physical activity
Detter 2014	Not a randomised controlled trial
Detter 2014a	Not a randomised controlled trial
Deutsch 2019	Not a randomised controlled trial
Dewar 2013	Not aimed at general population
Dewar 2014	Not aimed at general population
Dills 2011	Not a randomised controlled trial
Dishman 2004	No objective measures of physical activity, physical fitness, or body composition
Duberg 2020	Intervention not aimed at general population
Ducheyne 2014	Intervention < 12 weeks
Duncan 2011	Intervention < 12 weeks
Duncan 2019	Intervention < 12 weeks
Dzewaltowski 2011	Intervention not school‐based.
Dzielska 2020	No objective measure of physical activity or fitness
Efstathiou 2016	Not relevant to public health or health promotion
Egger 2019	Data on relevant outcomes not reported
Eichner 2016	Not a randomised controlled trial
Elder 2011	Objective measure of physical activity or physical fitness not reported
Elinder 2012	Not a randomised controlled trial
Elinder 2018	Not aimed at increasing physical activity
Elizondo‐Montemayor 2013	Not aimed at general population
Engelen 2013	Data on relevant outcomes in children aged 6 to 18 years not reported
Erfle 2015	Not a randomised controlled trial
Ericsson 2011	Data on relevant outcomes for children aged 6 to 18 years not reported
Ericsson 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Erwin 2011	Not a randomised controlled trial
Esquivel 2019	Not a randomised controlled trial
Esquivel 2019a	Not a randomised controlled trial
Evans 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Ezendam 2012	Intervention < 12 weeks
Farias 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Fedewa 2018	Data on relevant outcomes in children aged 6 to 18 years not reported
Fernandes 2014	Not a randomised controlled trial
Fernandez‐Jimenez 2019	Data on relevant outcomes not reported
Filho 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Filho 2019	Data on relevant outcomes not reported
Finn 2018	Not a randomised controlled trial
Fitzgibbon 2011	Data on relevant outcomes for children aged 6 to 18 years not reported
Foo 2014	Not aimed at general population
Ford 2012	Not a randomised controlled trial
Franceschi Neto 2017	Intervention not aimed at promoting physical activity
Francois 2014	Not a randomised controlled trial
Friedrich 2012	Not a randomised controlled trial
Fritz 2016	Not a randomised controlled trial
Fritz 2016a	Not a randomised controlled trial
Frost 2018	Not a randomised controlled trial
Fu 2016	Not a randomised controlled trial
Galle 2016	Not a randomised controlled trial
Gallotta 2015	Not aimed at general population
Gallotta 2017	Intervention not aimed at promoting physical activity
Gammon 2019	Intervention < 12 weeks
Garcia‐Hermoso 2020	Outcomes nor reported for children aged 6 to 18 years
Gatz 2018	Not a randomised controlled trial
Geanina 2011	Data on relevant outcomes in children aged 6 to 18 years not reported
Gevat 2012	Not a randomised controlled trial
Gill 2019	Data on relevant outcomes not reported
Giralt 2011	Data on relevant outcomes for children aged 6 to 18 years not reported
Glapa 2018	Data on relevant outcomes in children aged 6 to 18 years not reported
Goh 2014	Not a randomised controlled trial
Goh 2017	Not a randomised controlled trial
Gortmaker 2012	Intervention not school‐based.
Grasten 2017	Data on relevant outcomes in children aged 6 to 18 years not reported
Gray 2015	Intervention < 12 weeks
Greve 2015	Primary purpose not to increase physical activity
Griffiths 2019	Data on relevant outcomes not reported
Grillich 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Gunawardena 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Ha 2014	Intervention < 12 weeks
Ha 2015	Intervention < 12 weeks
Ha 2020	intervention < 12 weeks
Haapala 2017	Not a randomised controlled trial
Habib‐Mourad 2014	Primary purpose not to increase physical activity
Haerens 2009	No objective measures of physical activity, physical fitness, or body composition
Hager 2018	Intervention not aimed at promoting physical activity
Haible 2019	Intervention < 12 weeks
Haible 2019a	Intervention < 12 weeks
Hamilton 2020	Intervention < 12 weeks
Hankonen 2016	Intervention < 12 weeks
Hankonen 2017	Intervention < 12 weeks
Hannah 2018	Data on relevant outcomes not reported
Hardman 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Hayes 2014	Intervention not school‐based
Hebden 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Hejazi 2017	Not a randomised controlled trial
Heo 2018	Not a randomised controlled trial
Herbert 2013	Not a randomised controlled trial
Hernández López 2018	Not a randomised controlled trial
Hill 2015	Intervention not aimed at promoting physical activity
Hillman 2014	Intervention not school‐based
Hind 2014	Not a randomised controlled trial
Hogg 2012	Not a randomised controlled trial
Hortz 2015	Intervention < 12 weeks
Huberty 2011	Not a randomised controlled trial
Huberty 2014	Data on relevant outcomes not reported
Hyde 2020	Not a randomised controlled trial
Idris 2015	Not a randomised controlled trial
Ilyasova 2014	Intervention not aimed at promoting physical activity
Ilyasova 2015	Intervention not aimed at promoting physical activity
Ingrida 2012	Not a randomised controlled trial
ISRCTN75118772	Intervention < 12 weeks
Jago 2012	Intervention < 12 weeks
Jamerson 2017	Not a randomised controlled trial
James 2017	Data on relevant outcomes not reported
James‐Burdumy 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Janssen 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Jemmott 2019a	Intervention < 12 weeks
Jenkinson 2012	Data on relevant outcomes in children aged 6 to 18 years not reported
Jian 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Johnston 2013	Not aimed at general population
Jones 2008	No objective measures of physical activity, physical fitness, or body composition
Jones 2015	Not aimed at general population
Jones 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Jones 2020	Intervention not school‐based
Jurak 2013	Not a randomised controlled trial
Jussila 2015	Intervention < 12 weeks
Kahan 2018	Not a randomised controlled trial
Kahan 2019	Intervention < 12 weeks
Kahlin 2014	Not aimed at general population
Karachle 2017	Data on relevant outcomes in children aged 6 to 18 years not reported
Kawabata 2018	Intervention < 12 weeks
Keihner 2017	Intervention < 12 weeks
Kelly 2014	Intervention < 12 weeks
Kennedy 2018	Intervention < 12 weeks
Kennedy 2019	Intervention < 12 weeks
Ketelhut 2017	Intervention not aimed at promoting physical activity
Kidokoro 2019	Not a randomised controlled trial
Kipping 2008	No measure of physical activity or physical fitness
Klakk 2013	Not a randomised controlled trial
Knox 2012	Not a randomised controlled trial
Kobel 2017	Not aimed at general population
Koch 2019	Intervention not aimed at general population
Kokkonen 2019	No objective measure of physical activity or physical fitness
Kokkonen 2019a	No objective measures of physical activity or fitness
Kong 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Konijnenberg 2018	Not a randomised controlled trial
Kopaev 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Krawiec 2013	Not a randomised controlled trial
Kremer 2011	Not a randomised controlled trial
Kriellaars 2019	Not a randomised controlled trial
Ladapo 2016	Intervention < 12 weeks
Lane 2018	Intervention aim is not primarily to increase physical activity
Lang 2017	Intervention not aimed at promoting physical activity
Larsen 2017	Intervention not aimed at promoting physical activity
La Torre 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Lazorick 2015	Not a randomised controlled trial
Lee 2012	Data on relevant outcomes in children aged 6 to 18 years not reported
Leme 2016	Not aimed at general population
Lennox 2013	Not a randomised controlled trial
Leung 2018	Data on relevant outcomes in children aged 6 to 18 years not reported
Li 2010	No measure of physical activity or physical fitness
Li 2017	Intervention not aimed at promoting physical activity
Liao 2019	Intervention not school‐based
Liu 2019	Intervention not aimed at promoting physical activity
Llargues 2011	Intervention not aimed at promoting physical activity
Llaurado 2014	Intervention not aimed at promoting physical activity
Llaurado 2018	Data on relevant outcomes in children aged 6 to 18 years not reported
Lloyd 2017	Intervention not aimed at promoting physical activity
Lofgren 2013	Not a randomised controlled trial
Lonsdale 2013	Intervention < 12 weeks
Lonsdale 2019	Data on relevant outcomes not reported
Lopes 2017	Intervention not aimed at promoting physical activity
López Sánchez 2017	Data on relevant outcomes in children aged 6 to 18 years not reported
López Sánchez 2018	Not a randomised controlled trial
Lubans 2009	Data on relevant outcomes for children aged 6 to 18 years not reported
Lubans 2011	Intervention not aimed at general population (only low active boys were included in the study)
Lubans 2012b	Not aimed at general population
Lubans 2012c	Not aimed at general population
Lubans 2013	Not aimed at general population
Lubans 2014	Not aimed at general population
Lubans 2015	Not aimed at general population
Lubans 2016	Not aimed at general population
Lucertini 2013	Intervention not aimed at promoting physical activity
Ludyga 2019	Intervention < 12 weeks
Lynch 2016	Intervention not aimed at promoting physical activity
Madsen 2013	Intervention not school‐based.
Madsen 2020	Intervention < 12 weeks
Mandarić 2011	Intervention < 12 weeks
Mandigo 2019	Intervention < 12 weeks
Manley 2014	Not a randomised controlled trial
Marandi 2014	Not a randomised controlled trial
Marin 2013	Data on relevant outcomes in children aged 6 to 18 years not reported
Martin 2017	Intervention < 12 weeks
Martinez 2008	No measure of physical activity or physical fitness
Martinez‐Vizcaino 2019a	Data on relevant outcomes not reported
Martinez‐Vizcaino 2020	Outcomes not reported for children aged 6 to 18 years
Masse 2012	Not a randomised controlled trial
Massey 2017	Not a randomised controlled trial
Maszczak 2013	Data on relevant outcomes in children aged 6 to 18 years not reported
Mavilidi 2019	Intervention < 12 weeks
Mayorga‐Vega 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Mayorga‐Vega 2020	Intervention < 12 weeks
Mazzoli 2019	Intervention < 12 weeks
McCluskey 2020	No objective measure of physical activity or fitness
McCreary 2012	Not a randomised controlled trial
McDonald 2015	Intervention < 12 weeks
McFarlin 2013	Not aimed at general population
McKay 2015	Not a randomised controlled trial
McLoughlin 2017	Intervention < 12 weeks
McManus 2008	Intervention < 12 weeks
McMinn 2012	Not a randomised controlled trial
Meinhardt 2013	Data on relevant outcomes in children aged 6 to 18 years not reported
Mejia 2017	Intervention not aimed at promoting physical activity
Mekic 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Mendoza 2011	Intervention < 12 weeks
Mendoza 2017	Intervention < 12 weeks
Menrath 2015	Intervention not aimed at promoting physical activity
Merrotsy 2019	Not a randomised controlled trial
Messiah 2015	Intervention not school‐based.
Michailidis 2019	Intervention not school‐based
Miller 2015	Intervention < 12 weeks
Möhrle 2015	Not a randomised controlled trial
Mok 2020	Data on relevant outcomes not reported
Monti 2012	Intervention not school‐based
Monyeki 2012	Not a randomised controlled trial
Moodie 2011	Intervention not school‐based.
Moreira 2012	Intervention not school‐based
Morris 2013	Not a randomised controlled trial
Morris 2019	Not a randomised controlled trial
Moya 2011	Intervention not school‐based
Moynihan 2014	Not a randomised controlled trial
Muller 2019	Intervention not aimed at promoting physical activity
Muntaner‐Mas 2017	Intervention < 12 weeks
Murillo 2016	Not a randomised controlled trial
Murtagh 2013	Intervention < 12 weeks
Muzaffar 2019	Intervention not school‐based
Nabors 2015	Not a randomised controlled trial
Naidoo 2012	Not a randomised controlled trial
Nathan 2019a	Data on relevant outcomes not reported
Nawi 2015	Not aimed at general population
Nazieffa 2020	Intervention not primarily aimed at increasing physical activity
NCT03081013	Intervention not school‐based
NCT03308500	Intervention not aimed at promoting physical activity
NCT03885115	Intervention not school‐based
NCT03893149	Intervention < 12 weeks
NCT03937336	Intervention < 12 weeks
NCT03952754	Intervention < 12 weeks
NCT03975335	Intervention not aimed at promoting physical activity
NCT04113707	Intervention not aimed at promoting physical activity
NCT04118543	Intervention < 12 weeks
NCT04213014	Not aimed at the general population
Nelson 2011	Not a randomised controlled trial
Neto 2014	Intervention not aimed at promoting physical activity
Nichols 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Nigg 2019	Not a randomised controlled trial
Norris 2016	Intervention < 12 weeks
NTR6173	Intervention < 12 weeks
O'Neill 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Oli 2019	Intervention not school‐based
Ostergaard 2012	Not aimed at general population
PACTR201903750173871	Not school‐based
Pardo 2013	Not a randomised controlled trial
Pardo 2014	Not a randomised controlled trial
Parrish 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Parrish 2018	Intervention not aimed at promoting physical activity
Penalvo 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Perez 2012	Intervention not aimed at promoting physical activity
Pesce 2013	Not a randomised controlled trial
Petchers 1988	No objective measures of physical activity, physical fitness, or body composition
Pienaar 2012	Data on relevant outcomes in children aged 6 to 18 years not reported
Pinto‐Escalona 2019	Intervention < 12 weeks
Plavsic 2020	Intervention not aimed at the general population
Polet 2019	Intervention < 12 weeks
Polevoy 2020	Not a randomised controlled trial
Polo‐Oteyza 2017	Not a randomised controlled trial
Post 2019	Not a randomised controlled trial
Post 2019a	Not a randomised controlled trial
Postler 2017	Not a randomised controlled trial
Powell 2013	Intervention < 12 weeks
Prins 2012	Intervention < 12 weeks
Puma 2013	Not a randomised controlled trial
Quizan‐Plata 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Radnor 2017	Intervention < 12 weeks
RBR‐5fm97x	Data on relevant outcomes not reported
RBR‐86xv46	No objective measure of physical activity or fitness
Reed 2013	Not a randomised controlled trial
Rees‐Punia 2017	Not a randomised controlled trial
Resal 2018	Not a randomised controlled trial
Resaland 2011	Not a randomised controlled trial
Resaland 2018	Not a randomised controlled trial
Rexen 2015	Not a randomised controlled trial
Reznik 2015	Intervention < 12 weeks
Riiser 2020	Intervention not school‐based
Riley 2014	Intervention < 12 weeks
Robbins 2014	Intervention < 12 weeks
Robbins 2020	No objective measure of physical activity or fitness
Robinson 1999	Stated aim not to increase physical activity or physical fitness
Romanelli 2015	Not a randomised controlled trial
Ronsley 2013	Not a randomised controlled trial
Rosenkranz 2012	Intervention < 12 weeks
Rostami‐Moez 2017	Intervention < 12 weeks
Routen 2017	Not a randomised controlled trial
Ruiz‐Ariza 2019	Data on relevant outcomes not reported
Ruiz‐Ariza 2019a	Data on relevant outcomes not reported
Sahota 2019	No objective measure of physical activity or fitness
Salmoirago‐Blotcher 2015	Intervention < 12 weeks
Salmon 2011	Data on relevant outcomes in children aged 6 to 18 years not reported
Sanchez‐Lopez 2019	Outcomes not reported for children aged 6 to 18 years
Sanchez‐Lopez 2019a	Outcomes not reported for children aged 6 to 18 years
Saraf 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Sauder 2018	Not aimed at general population
Savin 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Schneider 2017	Not aimed at general population
Schoerner 2014	Data on relevant outcomes not reported
Schwager 2019	Intervention not aimed at promoting physical activity
Sebire 2018	Intervention < 12 weeks
Sebire 2019	Intervention < 12 weeks
Seo 2013	Not a randomised controlled trial
Shang 2020	Intervention not aimed at promoting physical activity
Shang‐yi 2013	Not a randomised controlled trial
Sharma 2017	Intervention not aimed at promoting physical activity
Sigmund 2012	Not a randomised controlled trial
Silva 2014	Outcomes not reported for children aged 6 to 18 years
Silva 2018	Not a randomised controlled trial
Simon 2011	Not a randomised controlled trial
Singh 2009	No measure of physical activity or physical fitness
Singhal 2010	No measure of physical activity or physical fitness
Sinyavsky 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Skoradal 2018	Intervention < 12 weeks
Smedegaard 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Smith 2011	Intervention not school‐based
Smith 2014a	Not aimed at general population
Smith 2016	Not aimed at general population
Smith 2017	Not aimed at general population
Spencer 2013	Not a randomised controlled trial
Springer 2013	Data on relevant outcomes in children aged 6 to 18 years not reported
Springer 2019	No objective measure of physical activity or physical fitness
Stephens 1998	Data on relevant outcomes for children aged 6 to 18 years not reported
Stoepker 2018	Not a randomised controlled trial
Story 2012	Data on relevant outcomes in children aged 6 to 18 years not reported
Sujová 2016	Not a randomised controlled trial
Sun 2011	Intervention < 12 weeks
Sutherland 2019a	Data on relevant outcomes not reported
Swartz 2019	Intervention < 12 weeks
Takehara 2019a	Data on relevant outcomes not reported
Tarro 2014	Data on relevant outcomes not reported
Tarro 2017	Data on relevant outcomes in children aged 6 to 18 years not reported
Taylor 2018	Intervention < 12 weeks
Telford 2019a	Data on relevant outcomes not reported
Telles 2013	Intervention not aimed at promoting physical activity
Tercedor 2017	Intervention < 12 weeks
Thakur 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
Theodore 2018	Not a randomised controlled trial
Tian 2017	Not a randomised controlled trial
Tolano 2015	Data on relevant outcomes in children aged 6 to 18 years not reported
Tomlin 2012	Not a randomised controlled trial
Trajkovic 2020	No objective measure of physical activity or fitness
Treu 2017	Not a randomised controlled trial
Tumynaitė 2014	Data on relevant outcomes in children aged 6 to 18 years not reported
Tymms 2016	Intervention < 12 weeks
Uys 2016	Data on relevant outcomes in children aged 6 to 18 years not reported
van den Berg 2019	Intervention < 12 weeks
van den Berg 2019a	Intervention < 12 weeks
van der Niet 2016	Not a randomised controlled trial
Vander Ploeg 2014	Not a randomised controlled trial
van Dongen 2019	Data on relevant outcomes not reported
Van Kann 2015	Not a randomised controlled trial
van Stralen 2012	Not a randomised controlled trial
Verloigne 2012	Intervention < 12 weeks
Verloigne 2018	Outcome data on outcomes relevant to this review not reported
Verstraete 2006	Outcome data on outcomes relevant to this review not reported
Vetter 2015	Intervention < 12 weeks
Vetter 2018	Intervention < 12 weeks
Vetter 2020	Intervention < 12 weeks
Vidoni 2012	Not a randomised controlled trial
Vieira 2019	Not a randomised controlled trial
Villa‐Gonzalez 2017	Not a randomised controlled trial
Wade 2019	Intervention not school‐based
Wadolowska 2019	No objective measure of physical activity or physical fitness
Wadsworth 2015	Not a randomised controlled trial
Wallinga 2014	Intervention < 12 weeks
Wang 2012	Intervention < 12 weeks
Wang 2017	Not a randomised controlled trial
Wassenaar 2019a	Data on relevant outcomes not reported
Watanabe 2016	Intervention not aimed at promoting physical activity
Watson 2017	Intervention < 12 weeks
Watson 2019	Intervention < 12 weeks
Weaver 2018	Not a randomised controlled trial
Weaver 2018a	Not a randomised controlled trial
Weber 2017	Not a randomised controlled trial
Webster 2015	Not a randomised controlled trial
Weiss 2015	Not a randomised controlled trial
Weiss 2019	Not a randomised controlled trial
Welk 2016	Not a randomised controlled trial
Wells 2014	Not aimed at general population
White 2018	Not a randomised controlled trial
White 2018a	Not a randomised controlled trial
Whitt‐Glover 2011	Intervention < 12 weeks
Whooten 2018	Not a randomised controlled trial
Widhalm 2018	No objective measure of physical activity or physical fitness
Wilkinson 2013	Not a randomised controlled trial
Williams 2014	Not a randomised controlled trial
Williamson 2012	Intervention not aimed at promoting physical activity
Willis 2019a	Outcomes not reported for children aged 6 to 18 years
Wilson 2009	Data on relevant outcomes not reported
Winkler 2016	Intervention not aimed at promoting physical activity
Woods‐Townsend 2015	Intervention not aimed at promoting physical activity
Wyatt 2011	Not a randomised controlled trial
Xu 2015	Intervention not aimed at promoting physical activity
Yañez 2015	Not a randomised controlled trial
Yang 2017	Not a randomised controlled trial
You 2013	Intervention < 12 weeks
Yu 2020	Not aimed at general population
Семенов 2017	Not a randomised controlled trial
项立敏 2016	Not a randomised controlled trial