| Rich foods Potassium | Control | Intervention | Change/K | p | ||
| Before | After | Before | After | |||
| Vegetable salad | 7.1 | 5 | 3.9 | 4 | 2.2 | 0.0756 |
| Leafy green sauces | 31.3 | 35 | 20.6 | 21 | 7.5 | 0.022 |
| Fruit and vegetable | 32.1 | 25 | 3.9 | 4 | −3.6 | 0.2818 |
| Five portions of fruit_vegetables | 1.8 | 5 | 1 | 2 | −2.2 | 0.2102 |
| Coconut | 16.1 | 34 | 2 | 2 | −17.9 | 0.9512 |
| Physical exercise | 22.3 | 50 | 3.9 | 4 | −27.6 | 0.9939 |