TABLE 1.
Diet definitions and frequencies1
| Diet | Definition | Sample size (n = 16,412) | % ± SE | Population represented2 |
|---|---|---|---|---|
| Omnivore | Anyone outside of the categories below | 14,175 | 86.3 ± 0.4 | 192,203,100 |
| Vegetarian | <0.5 oz-equivalent3 of meat, poultry, and seafood | 1179 | 7.5 ± 0.3 | 16,697,789 |
| Pescatarian | <0.5 oz-equivalent3 of meat and poultry; consumed seafood | 778 | 4.7 ± 0.3 | 10,535,824 |
| Vegan | <0.5 oz-equivalent3 total of meat, poultry, seafood, eggs; <0.25 cup equivalent4 of dairy | 141 | 0.7 ± 0.1 | 1,617,799 |
| Keto | ≤50 g of net carbohydrates (total carbohydrates–total fiber)5 | 77 | 0.4 ± 0.1 | 792,171 |
| Paleo | <0.5 oz-equivalent3 total of grains and legumes; <0.25 cup-equivalent4 of dairy6 | 62 | 0.3 ± 0.1 | 748,365 |
1
Vegan, vegetarian, pescatarian, paleo, and keto diets are mutually exclusive. Individuals with intake matching >1 diet were excluded from the analysis. 2Survey-weighted proportion multiplied by population totals from NHANES documentation [51]. 31 oz = 28.35 g. 41 cup = 236.59 mL. 5See reference [30]. 6See references [[31], [32], [33], [34], [35]].