Table 1.
Scenarios for the land requirements of diet analysis of the U.S.
GroupDescriptionNameSymbolKey attributes
Current consumption Based on USDA estimates of per capita loss-adjusted food availability. Baseline BAS Food intake equals loss-adjusted food availability for individual food commodities. 
Positive control POS As above, except intake of fats and sweeteners is reduced to make diet energy-balanced. 
Healthy diet, omnivorous Complies with 2010 Dietary Guidelines for Americans. Includes animal flesh. 100% healthy omnivorous OMNI 100 100% of person-meals follow an omnivorous healthy diet pattern. 
80% healthy omnivorous OMNI 80 80% of person-meals follow an omnivorous healthy diet pattern and 20% follow a ovo-lacto vegetarian healthy diet pattern. 
60% healthy omnivorous OMNI 60 60% of person-meals follow an omnivorous healthy diet pattern and 40% follow a ovo-lacto vegetarian healthy diet pattern. 
40% healthy omnivorous OMNI 40 40% of person-meals follow an omnivorous healthy diet pattern and 60% follow a ovo-lacto vegetarian healthy diet pattern. 
20% healthy omnivorous OMNI 20 20% of person-meals follow an omnivorous healthy diet pattern and 80% follow a ovo-lacto vegetarian healthy diet pattern. 
Healthy diet, vegetarian Complies with 2010 Dietary Guidelines for Americans. Excludes animal flesh. Ovolacto vegetarian OVO Includes both eggs and dairy products. 
Lacto vegetarian LAC Includes dairy products. Excludes eggs. 
Vegan VEG Excludes all livestock products. 
GroupDescriptionNameSymbolKey attributes
Current consumption Based on USDA estimates of per capita loss-adjusted food availability. Baseline BAS Food intake equals loss-adjusted food availability for individual food commodities. 
Positive control POS As above, except intake of fats and sweeteners is reduced to make diet energy-balanced. 
Healthy diet, omnivorous Complies with 2010 Dietary Guidelines for Americans. Includes animal flesh. 100% healthy omnivorous OMNI 100 100% of person-meals follow an omnivorous healthy diet pattern. 
80% healthy omnivorous OMNI 80 80% of person-meals follow an omnivorous healthy diet pattern and 20% follow a ovo-lacto vegetarian healthy diet pattern. 
60% healthy omnivorous OMNI 60 60% of person-meals follow an omnivorous healthy diet pattern and 40% follow a ovo-lacto vegetarian healthy diet pattern. 
40% healthy omnivorous OMNI 40 40% of person-meals follow an omnivorous healthy diet pattern and 60% follow a ovo-lacto vegetarian healthy diet pattern. 
20% healthy omnivorous OMNI 20 20% of person-meals follow an omnivorous healthy diet pattern and 80% follow a ovo-lacto vegetarian healthy diet pattern. 
Healthy diet, vegetarian Complies with 2010 Dietary Guidelines for Americans. Excludes animal flesh. Ovolacto vegetarian OVO Includes both eggs and dairy products. 
Lacto vegetarian LAC Includes dairy products. Excludes eggs. 
Vegan VEG Excludes all livestock products. 
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