Table 2 Summary of study measures
Measures | Instrument | Baseline | Interim | Post-intervention |
|---|---|---|---|---|
Impact | ||||
Consumer-level | ||||
Food acquisition1 | AIQ | ✓ | ✓ | |
Food-related psychosocial factors1 | AIQ | ✓ | ✓ | |
Food source use | AIQ, 24-hour dietary recall | ✓ | ✓ | |
Health beliefs & attitudes | AIQ | ✓ | ✓ | |
Food Assistance participation | AIQ | ✓ | ✓ | |
Socio-demographics | AIQ | ✓ | ✓ | |
Household food security | AIQ | ✓ | ✓ | |
Weight | AIQ | ✓ | ✓ | |
Height | AIQ | ✓ | ✓ | |
Promoted food consumption2 | QFFQ | ✓ | ✓ | |
Diet | 24-hour dietary recall | ✓ | ✓ | |
Store-level | ||||
Stock of promoted foods2 | SIQ, Environmental Assessment | ✓ | ✓ | ✓ |
Sales of promoted foods2 | SIQ, Weekly sales recall | ✓ | ✓ | ✓ |
Food-related psychosocial factors2 | SIQ | ✓ | ✓ | |
Store operations | SIQ | ✓ | ✓ | |
Customer & employee attributes | SIQ | ✓ | ✓ | |
Food acquisition & promotion | SIQ | ✓ | ✓ | |
Wholesale-level | ||||
Sales of promoted foods | Wholesale sales records | ✓ | ✓ | ✓ |
Process evaluation | ||||
Dose delivered, reach, fidelity of consumer communications (e.g., interactive sessions) | Interventionist PE form | ✓ | ||
Dose received of consumer communications and pricing components | Consumer intervention exposure form | ✓ | ||
In-store communications strategies (store, wholesaler) | Environmental assessment, Wholesale PE form | ✓ | ✓ | ✓ |
Healthy food availability & visibility (store, wholesaler) | Environmental assessment, Wholesaler PE form | ✓ | ✓ | ✓ |
Price discount implementation (store, wholesaler) | Environmental assessment, Wholesale sales records | ✓ | ✓ | ✓ |
Dose received of store owner communications and pricing components | Store intervention exposure form | ✓ | ||
Small store environment & infrastructure | Environmental assessment | ✓ | ✓ | ✓ |