Assessing reliability and validity of the GroPromo audit tool for evaluation of grocery store marketing and promotional environments.

摘要: Abstract Objective To evaluate reliability and validity of a new tool for assessing the placement promotional environment in grocery stores. Methods Trained observers used GroPromo instrument 40 stores to code 7 products 9 locations within store, along with other characteristics. test construct validity, customers' receipts were coded percentage food purchases each categories. Results Of 22 categories tested, 21 demonstrated moderate high interrater (intraclass correlation ≥ 0.61). When more unhealthy items placed prominent locations, higher money was spent on less-healthy items, lower dollars fruits vegetables. The prominence important than number locations. Conclusions Implications can be assess practices Data may help advocates campaign healthy key