“…The longest intervention length was 2 years, compared with the shortest intervention trial of 3 weeks. Additionally, twelve studies included only an education intervention component (40,45,(47)(48)(49)(50)(51)58,59,63,67,(69)(70)(71)(72) , whilst sixteen studies were part of a larger intervention involving multiple components (e.g. school garden, school policies, parental involvement, school canteens) (31,(41)(42)(43)(44)46,(52)(53)(54)(55)(56)(57)(60)(61)(62)(64)(65)(66)68,(73)(74)(75)(76)(77) .…”