Fig. 1.

Possible pathways linking socioeconomic status with healthiness of food choices.

Dashed lines represent pathways that have been reported elsewhere; solid lines indicate relationships to be explored in this paper:

a1: Pathway from socioeconomic status to food expenditure; a2: Pathway from socioeconomic status to food expenditure, controlling for supermarket choice; b: Pathway from food expenditure to healthiness of choices; c: Pathway from socioeconomic status to healthiness of choices; c′: Pathway from socioeconomic status to healthiness of choices, controlling for food expenditure; d: Pathway from healthiness of choices to food expenditure.