Hypertension Circulatory System Essential (primary) hypertension
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. People aged 18 or over 2. Self-reported high blood pressure 3. Speak English 4. Regularly shop in a supermarket spending at least £25 per shop 5. Responsible for at least some of their household grocery shopping
Exclusion criteria
Exclusion criteria: 1. People who are following a medically prescribed diet or restricted diet such as a vegetarian, vegan or gluten-free diet 2. People without self-reported hypertension 3. Not meeting the other inclusion criteria
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Salt content of foods in the total basket (measured in g/100g), recorded automatically by the study website at completion of the study task | — |
Secondary
| Measure | Time frame |
|---|---|
| Recorded automatically by the study website at completion of the study task: 1. The mean salt reduction across all foods, measured in mg/MJ 2. The mean reduction in salt content of swapped items (mg) 3. The proportion of swaps accepted out of those offered 4. Frequency of swaps offered 5. The proportion of accepted swaps out of total shopping basket items 6. The overall cost of the shopping basket 7. The total energy, energy density, sugar and saturated fat content of the shopping basket | — |
Countries
United Kingdom