| Favorite rice | Multi-grain rice | 19(38.78) | 33(47.15) | 52(43.70) | 12.522* |
| Boiled rice | 10(20.41) | 19(27.14) | 29(24.37) |
| Rice with beans | 11(22.45) | 5(7.14) | 16(13.45) |
| Brown rice | 8(16.32) | 5(7.14) | 13(10.92) |
| Barley rice | 0(0.00) | 6(8.57) | 6(5.04) |
| Rice cooked together with red-beans | 1(2.04) | 2(2.86) | 3(2.52) |
| Other | 0(0.00) | 0(0.00) | 0(0.00) |
|
| Favorite state of rice | Soft boiled rice | 2(4.08) | 6(8.57) | 8(6.72) | 11.171* |
| A little soft-boiled rice | 3(6.12) | 15(21.43) | 18(15.13) |
| Ordinary | 31(63.27) | 43(61.43) | 74(62.18) |
| A little hard boiled rice | 11(22.45) | 5(7.14) | 16(13.45) |
| Hard boiled rice | 2(4.08) | 1(1.43) | 3(2.52) |
|
| Favorite noodle | Wheat vermicelli | 9(18.37) | 9(12.86) | 18(15.13) | 17.331* |
| Buckwheat noodles | 6(12.24) | 8(11.43) | 14(11.77) |
| Kalguksu | 10(20.41) | 24(34.29) | 34(28.57) |
| Bibmiguksu | 7(14.29) | 2(2.86) | 9(7.56) |
| Naengmyeon | 3(6.12) | 0(0.00) | 3(2.52) |
| Dumpling | 2(4.08) | 2(2.86) | 4(3.36) |
| Sujebi | 3(6.12) | 4(5.72) | 7(5.88) |
| Chinese noodles | 8(16.33) | 11(15.71) | 19(15.97) |
| Udon | 1(2.04) | 2(2.86) | 3(2.52) |
| Other | 0(0.00) | 8(11.43) | 8(6.72) |
|
| Favorite of porridge | Rice congee | 5(10.20) | 2(2.86) | 7(5.88) | 12.203* |
| Pine-nut porridge | 5(10.20) | 4(5.71) | 9(7.56) |
| Abalone rice porridge | 17(34.69) | 23(32.86) | 40(33.62) |
| Mung-bean rice porridge | 6(12.25) | 4(5.71) | 10(8.40) |
| Red-bean porridge | 8(16.33) | 14(20.00) | 22(18.49) |
| Pumpkin porridge | 7(14.29) | 10(14.29) | 17(14.29) |
| Vegetable rice porridge | 1(2.04) | 5(7.14) | 6(5.04) |
| Other | 0(0.00) | 8(11.43) | 8(6.72) |