“…Three studies (42,46,50) referenced social marketing theory (51). Nine studies used environmental strategies (23,24,29,34,35,43,52–54) and 19 studies used nutrition education (23,24,29,31–33,35,39–41,43,44,52–58) as both rationale and framework. The most frequently reported outcomes were awareness and use (17 studies) and knowledge and beliefs (18 studies), followed by sales data and process measures.…”