TABLE 1.

Key characteristics of n = 44 included studies

#	Citation details	Policy details				Study details	Outcomes reported
	Lead author and year of publication	Country or region of policy	Policy evaluated	Year of implementation	Policy type	Study design	Medium a	Exp.	Power	Sales	Diet	UC	PC
1	Adams et al. 24	UK	UK content and scheduling (Ofcom) restrictions	Phased 2007–2009	Mandatory	Repeated CS survey	TV	✓
2	Berning & McCullough 25	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	Repeated CS survey	TV	✓
3	Brindal et al. 51	Australia	Australian Food and Grocery Councils (AFGC) Responsible Marketing to Children Initiative (RCMI)	2009	Voluntary	Repeated CS survey	TV	✓	✓
4	Campos et al. 26	Spain	European and Spanish Public Health laws	2011	Mandatory	Repeated CS content analysis	TV	✓
5	Clark 47	Canada	Quebec Consumer Protection Act	1980	Mandatory	CS survey	N/A						✓
6	Dembek et al. 24	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	Repeated CS survey	TV	✓
7	Dillman Carpentier et al. 28	Chile	Chile Food Labelling and Advertising Regulation	2016	Mandatory	Repeated CS content analysis and survey	TV	✓
8	Dhar & Baylis 48	Canada	Quebec Consumer Protection Act	1980	Mandatory	Natural experiment	N/A			✓
9	Effertz & Wilcke 29	EU	EU Pledge	2007	Voluntary	Repeated CS content analysis	TV	✓	✓
10	Frazier & Harris 30	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	Repeated CS survey	TV	✓
11	Galloway & Calvert 52	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	Repeated CS content analysis	Packaging	✓	✓
12	Harris et al. 55	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	CS survey	TV	✓	✓
13	Harris et al. 53	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	CS survey	TV	✓
14	Harris & Kalnova 54	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	CS survey	TV	✓
15	Hebden et al. 63	Australia	Australian Quick Service Restaurant Industry Initiative for Responsible Advertising and Marketing to Children (QSRI)	2009	Voluntary	Repeated CS content analysis and survey	TV	✓
16	Huang & Yang 31	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2007	Voluntary	Repeated CS survey	TV	✓		✓
17	Kim et al. 32	South Korea	Special Act on Safety Management of Childrens Dietary Life	2010	Mandatory	Repeated CS content analysis	TV	✓				✓
18	King et al. 65	Australia	Australian Food and Grocery Councils (AFGC) Responsible Marketing to Children Initiative (RCMI)	2009	Voluntary	Repeated CS content analysis	TV	✓	✓
19	King et al. 64	Australia	Australian Food and Grocery Councils (AFGC) Responsible Marketing to Children Initiative (RCMI) Australian Quick Service Restaurant Industry Initiative for Responsible Advertising and Marketing to Children (QSRI)	2009	Voluntary	Repeated CS content analysis	TV	✓
20	Kunkel et al. 66	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	Repeated CS content analysis	TV	✓	✓
21	Landwehr & Hartmann 56	Germany	EU Pledge	2007	Voluntary	CS content analysis	TV	✓
22	Lwin et al. 33	Singapore	Singapore Code of Advertising Practice (SCAP)	2015	Voluntary	Repeated CS content analysis and survey	TV	✓		✓	✓
23	Mediano et al. 39	Chile	Chile Food Labeling and Advertising Regulation	2016	Mandatory	Repeated CS content analysis	Packaging	✓	✓
24	Morton et al. 34	Australia	Australian Broadcasting Authoritys Childrens Television Standards	2009	Mandatory	CS content analysis	TV	✓	✓
25	Neyens & Smits 57	EU	EU Pledge	2007	Voluntary	CS content analysis	Websites	✓	✓
26	Ofcom 35	UK	UK content and scheduling (Ofcom) restrictions	Phased 2007–2009	Mandatory	Repeated CS survey	TV	✓	✓			✓
27	Ofcom 36	UK	UK content and scheduling (Ofcom) restrictions	Phased 2007–2009	Mandatory	Repeated CS survey	TV	✓	✓
28	Otten et al. 43	US	San Francisco Healthy Food Incentives Ordinance	2011	Mandatory	Repeated CS survey	Packaging			✓
29	Potvin Kent et al. 45	Canada	Quebec Consumer Protection Act	1980	Mandatory	Repeated CS content analysis and survey	TV	✓	✓
30	Potvin Kent et al. 49	Canada	Canadian Childrens Food and Beverage Advertising Initiative (CAI)	2008	Voluntary	CS content analysis and survey	TV	✓	✓
31	Potvin Kent et al. 46	Canada	Quebec Consumer Protection Act	1980	Mandatory	CS content analysis and survey	TV	✓
32	Potvin Kent et al. 67	Canada	Quebec Consumer Protection Act	1980	Mandatory	CS content analysis	Websites		✓
33	Potvin Kent et al. 42	Canada	Canadian Childrens Food and Beverage Advertising Initiative (CAI)	2008	Voluntary	Repeated CS survey	TV	✓	✓
34	Potvin Kent & Pauze 50	Canada	Canadian Childrens Food and Beverage Advertising Initiative (CAI)	2008	Voluntary	CS content analysis	Websites	✓
35	Potvin Kent et al. 61	Canada	Canadian Childrens Food and Beverage Advertising Initiative (CAI)	2008	Voluntary	CS survey	TV	✓
36	Powell et al. 38	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	Repeated CS survey	TV	✓
37	Powell et al. 37	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	Repeated CS survey	TV	✓
38	Powell et al. 58	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	CS survey	TV	✓
39	Silva et al. 44	UK	UK content and scheduling (Ofcom) restrictions	Phased 2007–2009	Mandatory	Repeated CS survey	N/A			✓		✓
40	Théodore et al. 59	Mexico	Mexican Self‐regulation	2009	Voluntary	CS content analysis	TV	✓
41	Vaala & Ritter 62	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	CS survey	Packaging		✓				✓
42	Vergeer et al. 60	Canada	Canadian Childrens Food and Beverage Advertising Initiative (CAI)	2008	Voluntary	CS content analysis	Websites	✓	✓
43	Warren et al. 40	US	Childrens Food and Beverage Advertising Initiative (CFBAI)	2006	Voluntary	Repeated CS content analysis	TV	✓	✓
44	Whalen et al. 41	UK	UK content and scheduling (Ofcom) restrictions	Phased 2007–2009	Mandatory	Repeated CS content analysis	TV	✓

Note: Mandatory—government‐enforced policies, Voluntary—voluntary measures.

Abbreviations: CS, cross‐sectional; Exp., Exposure; PC, product change; Sales, purchasing/sales; UC, unintended consequences.

^a Medium assessed is only applicable for exposure and power outcomes (it is not applicable for behavioral outcomes, unintended consequences, or product change).