HIGHLIGHTS
SUMMARY
Receipts can provide indepth information about purchased food items such as price, production mode (conventional vs. organic) or food stores types and locations, thus allowing an analysis of food costs or food purchasing behaviours (frequency of visits to food outlets, food trips, etc.). Consequently, FP data are of great interest when exploring the relationship between nutritional quality and diet cost based on real food expenditures, rather than estimated based on mean food prices. In this context, the authors previously developed the Healthy Purchase Index (HPI), a scoring system based on FP from a convenience . . .
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