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Table 1 Relationship between diet quality and agricultural resource use, by land use category

From: Healthy diets can create environmental trade-offs, depending on how diet quality is measured

Land use category Agricultural land Fertilizer nutrients Pesticides Irrigation water
Total
 HEI-2015
 AHEI-2010
Grains
 HEI-2015
 AHEI-2010
Fruits
 HEI-2015
 AHEI-2010
Vegetables
 HEI-2015
 AHEI-2010
Legumes
 HEI-2015
 AHEI-2010
Nuts
 HEI-2015
 AHEI-2010
Sweeteners
 HEI-2015
 AHEI-2010
Feed grains and oilseeds
 HEI-2015
 AHEI-2010
Hay     
 HEI-2015
 AHEI-2010
Cropland pasture
 HEI-2015
 AHEI-2010
Permanent pasture
 HEI-2015
 AHEI-2010
  1. Total Food Demand represents the sum of retail waste, consumer waste, inedible portions, and consumed food
  2. HEI-2015, Healthy Eating Index-2015
  3. AHEI-2010, Alternative Healthy Eating Index-2010
  4. Upward arrow (↑) represents a statistically significant (P < 0.05) positive relationship between diet quality and agricultural resource use, downward arrow (↓) represents a statistically significant negative relationship, and horizontal line (−) represents a non-statistically significant relationship