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Table 1 Summary of study measures

From: Stores Healthy Options Project in Remote Indigenous Communities (SHOP@RIC): a protocol of a randomised trial promoting healthy food and beverage purchases through price discounts and in-store nutrition education

Measures Baseline Post intervention Follow-up
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)