Table 2.

Summary of key characteristics of studies included in update review (shaded studies reported a significant positive effect on physical activity). For full description of studies, please see Supplementary Table 2.

Ref	Target population				Intervention characteristics
	Weight	Age	Sex	Ethnicity	Theory-based	Session types	Location	Target	Type1	Duration
Family-based interventions
Chen ‘1036	All	8-10 yr	Both	Chinese American	SCT	Group, P/C separately	Outside home	PA & diet	C: EDU + EXE P: EDU	2M
Hovell ‘0937	All	10-13 yr	Both	-	-	Group, P/C separately	Outside home	PA & diet	C: EDU + EXE P: EDU	2M
Morgan ‘1038	All	5-12 yr	Both	-	SCT/FST	Group, P/C together and separately	Outside home	PA & diet	EDU + EXE	3M
Reinehr ‘1039	OV only	8-16 yr	Both	-	Systemic & solution-focused theories	Group, P/C together and separately	Outside home	PA & diet	C: EDU + EXE P: EDU	6M
Sacher ‘1040	OB only	8-12 yr	Both	-	Learning and SC theories	Group, P/C together	Outside home	PA & diet	C: EDU + EXE P: EDU	6M
Shelton ‘0741	OV/OB only	3-10 yr	Both	-	-	Group, P only	Outside home	PA & diet	EDU	1M
Community-based interventions
Black ‘1042	All	11-16 yr	Both	Non- Hispanic black African- American	SCT/MI	Mentor, 1-1 with C, P present	At home	PA & diet	EDU + EXE	11M
Farley ‘0743	All	7-14 yr	Both	-	N/A	N/A – Playground made available	Outside home	PA	ENV	2yr
Haire-Joshu ‘1044	All	5-12 yr	Both	-	SCT	Mentor, 1-1 with C, info for P	Outside home	PA & diet	EDU	~6M
Rosenkranz ‘1045	All	9-13 yr	Girls	-	SCT	Group (C only)	Outside home	PA & diet	EDU + EXE	6M

Abbreviations: Ref: Reference; OV: overweight; OB: obese; SCT: Social-Cognitive Theory; FST: Family Systems Theory; MI: Motivational Interviewing; P: Parent; C: Child; yr: year; PA: physical activity; M: month.

¹Type of intervention categorised as: ENV (environmental) - changes to policy or physical environment; EDU (educational) - including giving information, working with participants to set goals, etc; EXE (exercise) – providing exercise sessions.