Table 1.

Points assigned to each variable of dietary intake and dietary behaviors.

	Variable	Points
Dietary intake
1	Milk consumption	Less than 1 bag/week = 0; 1–3 bags/week = 1 point; 4–6 bags/week = 2 points; 1 bag/day and above = 3 points
2	Meat consumption frequency	Less than 1 time/week = 0; 1–3 times/week = 1 point; 4–6 times/week = 2 points; 1 time/day and above = 3 points
3	Egg consumption	Less than 1/week = 0; 1–3/week = 1 point; 4–6/week = 2 points; 1/day and above = 3 points
4	Vegetable consumption variety	Less than 1 kind/week = 0; 1 kind/day = 1 point; 2 kinds/day = 2 points; 3 kinds/day and above = 3 points
5	Fruit consumption frequency	Less than 1 time/week = 0; 1–3 times/week = 1 point; 4–6 times/week = 2 points; 1 time/day and above = 3 points
Dietary behaviors
6	Breakfast consumption frequency	1–2 days/week = 0; 3–4 days/week = 1 point; 5–6 days/week = 2 points; everyday = 3 points
7	Snack consumption frequency	Less than 1 time/week = 3 points; 1–3 times/week = 2 points; 4–6 times/week = 1 point; 1 time/day and above = 0
8	Beverage consumption frequency	Less than 1 time/week = 3 points; 1–3 times/week = 2 points; 4–6 times/week = 1 point; 1 time/day and above = 0
9	Plain water consumption	Less than 1 cup/day = 0; 1–2 cups/day = 1 point; 3–4 cups/day = 2 points; 5 cups/day and above = 3 points

Note: The volume of milk is 250 mL. The weight of an egg is 50~60 g. The volume of a cup of water is about 300 mL.