Table A1.
Plant-based diet index scoring.
| Food Category | Food Groups | Frequency | PDI | hPDI | uPDI | |
|---|---|---|---|---|---|---|
| Plant-based food | Healthful | Whole grain | Yes | 5 | 5 | 1 |
| No | 1 | 1 | 5 | |||
| Vegetable oils | Yes | 5 | 5 | 1 | ||
| No | 1 | 1 | 5 | |||
| Fresh fruits | Almost everyday | 5 | 5 | 1 | ||
| Quite often | 4 | 4 | 2 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Fresh vegetables | Almost everyday | 5 | 5 | 1 | ||
| Quite often | 4 | 4 | 2 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Legumes | Almost everyday | 5 | 5 | 1 | ||
| ≥1 time/week | 4 | 4 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Garlic | Almost everyday | 5 | 5 | 1 | ||
| ≥1 time/week | 4 | 4 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Nuts | Almost everyday | 5 | 5 | 1 | ||
| ≥1 time/week | 4 | 4 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Tea | Almost everyday | 5 | 5 | 1 | ||
| ≥1 time/week | 4 | 4 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 2 | 4 | |||
| Rarely or never | 1 | 1 | 5 | |||
| Unhealthful | Refined grains | Yes | 5 | 1 | 5 | |
| No | 1 | 5 | 1 | |||
| Sugar (white granulated sugar or candies) | Almost everyday | 5 | 1 | 5 | ||
| ≥1 time/week | 4 | 2 | 4 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 4 | 2 | |||
| Rarely or never | 1 | 5 | 1 | |||
| Preserved vegetables | Almost everyday | 5 | 1 | 5 | ||
| ≥1 time/week | 4 | 2 | 4 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 2 | 4 | 2 | |||
| Rarely or never | 1 | 5 | 1 | |||
| Animal-based food | Animal fat | Yes | 1 | 1 | 1 | |
| No | 5 | 5 | 5 | |||
| Meat | Almost everyday | 1 | 1 | 1 | ||
| ≥1 time/week | 2 | 2 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 4 | 4 | 4 | |||
| Rarely or never | 5 | 5 | 5 | |||
| Fish | Almost everyday | 1 | 1 | 1 | ||
| ≥1 time/week | 2 | 2 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 4 | 4 | 4 | |||
| Rarely or never | 5 | 5 | 5 | |||
| Eggs | Almost everyday | 1 | 1 | 1 | ||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 4 | 4 | 4 | |||
| Rarely or never | 5 | 5 | 5 | |||
| Dairy products | Almost everyday | 1 | 1 | 1 | ||
| ≥1 time/week | 2 | 2 | 2 | |||
| ≥1 time/month | 3 | 3 | 3 | |||
| Occasionally | 4 | 4 | 4 | |||
| Rarely or never | 5 | 5 | 5 | |||
Abbreviations: PDI: plant-based diet index; hPDI: healthful plant-based diet index; uPDI: unhealthful plant-based diet index.