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Table 1 Scoring method for the Diet Quality Index (DQI)

From: Diet quality and carotid atherosclerosis in intermediate cardiovascular risk individuals

1. Daily frequency consumption of the following foods during the last 12 months
Food Amount <1 time/day 1 time/day ≥2 times/day
Bread 1–2 slices 1 2 3
Vegetables/salad 1 serving 1 2 3
Fruit 1 piece of serving 1 2 3
Yoghurt or milk 1 tub/1 glass 1 2 3
Pasta or rice 1 serving 1 2 3
Oil (olive or sunflower) 1 tablespoon 1 2 3
Alcoholic beverages 1 drink 1 3 1
Breakfast flakes 1 bowl 1 2 3
2. Weekly frequency consumption of the following during the last 12 months
Food Amount <4 times/week 4–6 times/week ≥7 times/week
Meat 1 serving 3 2 1
Sausages 1–3 slices 3 2 1
Cheese 1 serving 3 2 1
Pastry or sweets 1 piece or serving 3 2 1
Butter or lard 1 teaspoon 3 2 1
Other vegetable oils 1 tablespoon 3 2 1
Fast food 1 serving 3 2 1
3. Weekly frequency consumption of the following foods during the last 12 months
Food Amount <2 times/week 2–3 times/week ≥4 times/week
Fish 1 serving 1 2 3
Legumes 1 serving 1 2 3
Nuts 1 handful 1 2 3
  1. Source: Public Health Nutr 2012, 15(4):618–626