Table 1.

Summary of main characteristics of included studies (n = 57).

Methods	Object of Study	Child Population Age Ranges	Outcomes Measured *
Content Analysis (22) Experimental (20) Mixed Methods (5) Focus Groups (4) Surveys (2) Interviews (1) Observational (1) Critical Research Paper (2)	Physical Food Packaging (42) Photo images of food packaging (hard copy) (8) Digital images of food packaging (5) Not applicable (2)	Between 2-12 years (24) No age range provided (14) Under and/or over 2-12 years (9) Children & parents (7) Children, teenagers & adults (3)	Exposure (25) Attitudes (22) Behaviours (11) Cognitive (3) Physiological (1) Not applicable (2)

* some studies measure more than one outcome.