Table 1 Summary of study measures

Primary and secondary outcomes

Store level

Combined fruit and vegetable purchasing (grams/person/day)

Water, diet soft-drink, fruit and vegetable purchasing (grams/person/day)

Percent total sugars (grams) to total energy (kJ) purchased

Sodium (mg) per 1000 kJ of total energy purchased

Proportion of total sugar-sweetened soft drinks purchased (grams) to total fruit and vegetables purchased

Proportion of healthy food to unhealthy food purchased

Other outcomes to measure impact on total diet

Totals of each of dietary energy (kJ), sodium (mg) and sales ($) and sub-totals for each of 20+ food groupings

Proportions per 1000 kJ of energy for each of fruit and vegetables (grams), sugar sweetened soft drinks (grams), healthy foods (grams) and unhealthy foods (grams)

Proportion of healthy foods to total foods, unhealthy food to total foods and diet soft-drinks and water to total beverages, using a total energy (kJ), sales ($) and weight (grams)

Mediation sub-study outcomes

Fruit consumption

Vegetable consumption

Water consumption

Diet and sugar sweetened soft-drink consumption

Process evaluation

Contextual factors

Population movement

Positioning of food and beverage products in-store

Price and price ticketing practice

Range of food and beverages available for purchase

Provisioning of food and beverages to other services/organisations

Community income

Store policy

Product promotion

Store infrastructure

Delivery of food and beverages

Store management and staffing/ community social issues

Mediation sub-study

Outcome expectations of perceived affordability of fruit and vegetables

Outcome expectations of perceived benefits of fruit and vegetables

Self-efficacy for increasing fruit and vegetable consumption

Self-efficacy for drinking water and reducing sugar sweetened soft drink consumption

Food security

Personal preferences

Barriers to consuming more fruit and vegetables

Intervention fidelity

Intervention fidelity

Dose and reach of nutrition education strategy activities

Perceived barriers and enablers to intervention implementation (price discount and combined strategy)