Table 1 Example of terms used to describe interventions altering product Availability in physical micro-environments
From: Altering the availability of products within physical micro-environments: a conceptual framework
Term used to describe intervention | Targeted change | Example reference(s) |
|---|---|---|
Availability | Presence or absence of products | Wilcox et al. [84]: Including healthy options in choice sets in the laboratory Wilbur et al. [83]: Introducing lower-calorie options in vending machines |
Number of different products | Perry et al. [64]: Increasing the fruit and vegetable options in schools Bartholomew and Jowers [8]: Decreasing the number of less healthy entrées in schools | |
Proportion comprised by a subset of products | Fiske et al. (2004): Increasing low-fat products and decreasing high-fat products in vending machines | |
Assortment size | Number of different products | Sela et al. [72]: Number of fruit and cookie options on university campus |
Assortment structure1 | Proportion comprised by a subset of products | Van Kleef et al. [82]: Increasing healthier products and decreasing less healthy products in a shop display |
Food provision | Number of different products | Anderson et al. [4]: Increasing the fruit and vegetable options in schools |
Stockpiling | Number of units of a particular product | Chandon & Wansink [16]: Units of particular brands of crackers, popcorn, fruit juice, noodles, oatmeal and granola bars in homes |