| Healthy diets | Sustainable diets | ||||
---|---|---|---|---|---|---|
 | cumulative percent | GHGE (kgCO2e/d)a | cumulative percent | GHGE (kgCO2e/d)a | ||
(n = 1491) | mean (SD) | (n = 1491) | mean (SD) | |||
 | current | new | current | new | ||
No change | 0.1 | 3.24 | 3.24 | 0.0 | - | - |
Step 1: up to a maximum of 50 % change in the amount of any food group currently eaten | ||||||
1–20 % change | 0.6 | 2.59 (0.71) | 2.67 (0.65) | 0.2 | 2.07 (0.65) | 2.14 (0.60) |
21–50 % change | 7.5 | 3.24 (0.90) | 2.99 (0.65) | 4.6 | 2.78 (0.66) | 2.46 (0.36) |
Step 2: up to a maximum of 50 % change in the amount of any food group currently eaten and new foods added to the diet | ||||||
1–3 new items | 20.6 | 3.12 (1.00) | 2.96 (0.76) | 16.2 | 2.85 (0.72) | 2.47 (0.35) |
4–6 new items | 45.3 | 3.14 (1.14) | 2.75 (0.73) | 38.7 | 2.93 (0.90) | 2.44 (0.44) |
7–13 new items | 58.6 | 2.64 (1.12) | 2.51 (0.65) | 52.9 | 2.64 (1.06) | 2.37 (0.46) |
Step 3:up to a maximum 50 % increase and/or 75 % reduction in amount of any food group currently eaten and new foods added to the diet | ||||||
1–3 new items | 67.8 | 4.30 (1.71) | 3.38 (0.92) | 61.9 | 3.99 (1.25) | 2.66 (0.36) |
4–6 new items | 86.3 | 4.09 (1.71) | 3.13 (0.81) | 83.2 | 4.14 (1.51) | 2.67 (0.40) |
7–10 new items | 96.1 | 3.37 (1.74) | 2.69 (0.73) | 95.2 | 3.87 (2.01) | 2.48 (0.45) |
Step 4: up to a maximum of 50 % change in the amount of any food group currently eaten and food items removed from the diet | ||||||
1–24 items removed | 100 | 4.80 (2.98) | 3.46 (1.02) | 100 | 5.25 (3.08) | 2.70 (0.46) |
Total change in GHGE (kgCO2e/d) | Â | 3.44 (1.58) | 2.91 (0.81) | Â | 3.44 (1.57) | 2.52 (0.43) |