Food groups or nutrients | FFQ1 | FFQ2 | Percentages of median difference | ||
---|---|---|---|---|---|
Median | 25–75th percentile | Median | 25–75th percentile | ||
Food groups(g/d) | |||||
 Tuber crops | 47.0 | 21.6–94.0 | 47.0 | 25.9–70.5 | 0.0b |
 Meats | 29.5 | 14.7–63.7 | 37.5 | 19.1–69.1 | 21.2b |
 Eggs | 8.8 | 1.3–18.5 | 18.5 | 3.5–37.0 | 52.4a |
 Grains | 416.5 | 307.3–547.0 | 443.5 | 328.9–540.4 | 6.1 |
 Oil | 33.3 | 25.0–44.4 | 33.3 | 25.0–44.4 | 0.0 |
 Vegetables | 387.0 | 230.3–522.0 | 510.0 | 383.3–637.0 | 24.1a |
 Fruits | 4.2 | 0.4–14.0 | 4.0 | 0.1–11.2 | −3.5b |
 Aquatic products | 42.3 | 20.0–100.0 | 64.2 | 40–101.4 | 34.1 |
 Legumes and products | 42.9 | 20.0–65.8 | 45.5 | 23.2–71.7 | 5.7 |
 Dairy and products | 16.8 | 0.0–84.0 | 40.0 | 0.0–87.6 | 58.0 |
 Salty agent | 10.0 | 7.4–13.1 | 10.0 | 7.4–13.3 | 0.0 |
 Spicy agent | 16.7 | 8.3–20.8 | 16.7 | 8.3–25.0 | 0.0 |
 Sour agent | 1.0 | 0.3–2.5 | 1.0 | 0.3–2.1 | 0.0 |
Nutrients | |||||
 Energy(kcal/d) | 1633.1 | 1329.9–2064.2 | 1912.0 | 1483.4–2287.8 | 14.6a |
 Carbohydrate(g/d) | 61.0 | 44.9–79.0 | 70.4 | 57.6–88.8 | 13.4a |
 Protein(g/d) | 49.2 | 39.0–65.2 | 60.2 | 44.1–72.7 | 18.2a |
 Dietary fiber(g/d) | 11.8 | 8.0–15.1 | 14.9 | 11.6–17.9 | 21.2a |
 Cholesterol(mg/d) | 104.9 | 57.2–178.0 | 163.9 | 84.5–257.1 | 36.0a |
 Fat(g/d) | 222.4 | 171.2–289.7 | 248.1 | 187.3–310.9 | 10.4a |
 SFA(g/d) | 9.0 | 6.2–12.2 | 10.5 | 7.7–13.9 | 14.6a |
 MUFA(g/d) | 21.3 | 16.0–29.8 | 25.8 | 20.8–35.1 | 17.4b |
 PUFA(g/d) | 19.7 | 14.0–25.8 | 21.1 | 16.1–27.6 | 6.9a |
 Vitamin A(μgRE/d) | 263.4 | 174.5–380.7 | 350.6 | 270.0–447.7 | 24.9 |
 Vitamin D(μg/d) | 0.8 | 0.4–1.7 | 1.1 | 0.5–1.9 | 23.3 |
 Vitamin E(mg/d) | 82.6 | 22.3–146.7 | 88.2 | 30.2–151.2 | 6.3 |
 Thiamin(mg/d) | 0.8 | 0.6–1.0 | 0.9 | 0.7–1.1 | 9.8a |
 Riboflavin(mg/d) | 0.8 | 0.6–1.0 | 0.9 | 0.7–1.1 | 14.1a |
 Pyridoxine(mg/d) | 0.3 | 0.2–0.5 | 0.4 | 0.3–0.5 | 9.2a |
 Vitamin C(mg/d) | 100.3 | 60.5–140.4 | 133.7 | 98.9–167.5 | 25.0a |
 Folate(μg/d) | 159.1 | 103.8–220.6 | 208.7 | 160.3–267.8 | 23.8a |
 Niacin(mg/d) | 14.5 | 11.4–18.5 | 16.5 | 12.5–20.4 | 12.0a |
 Calcium(mg/d) | 383.7 | 277.8–499.6 | 492.0 | 378.2–605.6 | 22.0a |
 Phosphorus(mg/d) | 843.5 | 668.6–1080.0 | 998.2 | 788.1–1188.0 | 15.5a |
 Potassium(mg/d) | 1783.2 | 1331.8–2364.8 | 2251.3 | 1731.6–2621.4 | 20.8a |
 Sodium(mg/d) | 3804.4 | 3015.3–4748.1 | 3843.8 | 2968.8–4828.0 | 1.0 |
 Magnesium(mg/d) | 306.9 | 232.3–371.5 | 361.0 | 286.0–425.2 | 15.0a |
 Iron(mg/d) | 21.2 | 16.2–26.1 | 24.7 | 18.7–29.5 | 14.3a |
 Zinc(mg/d) | 9.0 | 7.1–11.4 | 10.4 | 8.0–12.6 | 14.2a |
 Selenium(μg/d) | 27.8 | 22.1–39.1 | 34.3 | 25.5–43.3 | 19.0a |
 Copper(mg/d) | 1.5 | 1.1–1.9 | 1.7 | 1.3–2.1 | 12.2a |
 Iodine(μg/d) | 31.0 | 20.8–58.5 | 42.1 | 28.0–68.4 | 26.4 |