Categories | Contents | Dietary intake frequency | |||||
Always | Often | Sometime | Occasionally | Never | |||
Carbohydrate | Rice | 46 (44.2) | 44 (42.3) | 12 (11.5) | 2 (1.9) | 0 (0.0) | |
| Wheat | 6 (5.8) | 34 (32.7) | 35 (33.7) | 26 (25.0) | 3 (2.9) | |
| Corn | 0 (0.0) | 5 (4.8) | 12 (11.5) | 60 (57.7) | 27 (26.0) | |
| Starchy | 1 1.0) | 18 (17.3) | 35 (33.7) | 26 (25.0) | 24 (23.1) | |
Protein | Milk and products | 3 (2.9) | 10 (9.6) | 12 (11.5) | 15 (14.4) | 64 (61.5) | |
| Beans and products | 14 (13.5) | 36 (34.6) | 17 (16.3) | 25 (24.0) | 12 (11.5) | |
| Eggs | 21 (20.2) | 47 (45.2) | 17 (16.3) | 18 (17.3) | 1 (1.0) | |
| Red meat | 13 (12.5) | 33 (31.7) | 22 (21.2) | 28 (26.9) | 8 (7.7) | |
| Poultry meat | 12 (11.5) | 42 (40.4) | 26 (25.0) | 14 (13.5) | 10 (9.6) | |
| Fish | 14 (13.5) | 50 (48.1) | 17 (16.3) | 10 (9.6) | 13 (12.5) | |
| River shrimp and crab | 1 (1.0) | 19 (18.3) | 21 (20.2) | 28 (26.9) | 35 (33.7) | |
Fat | Visceral food | 0 (0.0) | 9 (8.7) | 24 (23.1) | 45 (43.3) | 26 (25.0) | |
| Greasiness | 0 (0.0) | 4 (3.8) | 17 (16.3) | 58 (55.8) | 25 (24.0) | |
Fiber | Coarse grain | 4 (3.8) | 12 (11.5) | 23 (22.1) | 31 (29.8) | 34 (32.7) | |
| Fruit and vegetables | 4 (3.8) | 25 (24.0) | 18 (17.3) | 29 (27.9) | 28 (26.9) | |
Supplement | Vitamins and trace elements | 0 (0.0) | 13 (12.5) | 16 (15.4) | 4 (3.8) | 71 (68.3) | |