Table 2. Food group intakes (g/day) calculated from 28- or 14-day DRs and 2 FFQs and their correlations in men (n = 244).
| Food groups | FFQ_Ra | FFQ_Vb | DRc | Spearman correlations | |
| Mean (SD) | Mean (SD) | Mean (SD) | FFQ_R vs FFQ_V | DR vs FFQ_V | |
| Noodle | 119.9 (146.8) | 111.3 (93.0) | 62.6 (43.3) | 0.49 | 0.44 |
| Rice | 438.7 (200.5) | 417.0 (202.1) | 479.9 (159.0) | 0.79 | 0.67 |
| Bread | 24.3 (52.4) | 18.9 (25.3) | 20.7 (23.4) | 0.70 | 0.65 |
| Potatoes | 30.4 (28.1) | 28.0 (27.5) | 34.4 (19.4) | 0.54 | 0.21 |
| Soy products | 67.4 (52.3) | 70.3 (53.2) | 68.3 (32.0) | 0.62 | 0.39 |
| Miso soup | 240.0 (162.0) | 227.8 (173.7) | 204.4 (100.6) | 0.79 | 0.51 |
| Nuts | 2.6 (4.3) | 2.3 (3.8) | 1.0 (2.5) | 0.56 | 0.25 |
| Green, leafy vegetables | 32.7 (35.2) | 33.7 (36.2) | 24.8 (16.0) | 0.52 | 0.33 |
| Other green vegetables | 13.6 (15.1) | 13.2 (14.3) | 11.9 (8.5) | 0.61 | 0.26 |
| Dark-yellow vegetables | 30.3 (32.0) | 29.9 (28.4) | 31.1 (15.3) | 0.51 | 0.45 |
| Tomatoes | 33.9 (43.4) | 32.6 (42.2) | 25.4 (28.5) | 0.55 | 0.42 |
| Other vegetables | 109.0 (80.1) | 108.1 (75.4) | 134.6 (44.7) | 0.59 | 0.25 |
| Pickles | 42.4 (53.2) | 38.7 (49.4) | 23.1 (24.2) | 0.76 | 0.72 |
| Other fruit | 121.3 (127.3) | 116.1 (100.2) | 78.0 (58.8) | 0.68 | 0.51 |
| Citrus fruit | 67.4 (81.4) | 75.4 (85.0) | 25.1 (23.0) | 0.60 | 0.48 |
| Fruit juice | 40.4 (62.2) | 35.8 (59.9) | 3.7 (11.5) | 0.52 | 0.22 |
| Mushroom | 11.5 (11.6) | 11.4 (9.8) | 11.2 (7.2) | 0.54 | 0.37 |
| Seaweed | 12.4 (14.5) | 11.9 (10.2) | 7.8 (6.7) | 0.50 | 0.24 |
| Seafood other than fish | 17.5 (14.5) | 17.1 (14.6) | 20.9 (12.1) | 0.50 | 0.37 |
| Oily fish | 28.5 (25.1) | 26.3 (22.2) | 23.6 (17.9) | 0.51 | 0.06 |
| Salmon | 10.0 (13.0) | 8.3 (10.4) | 10.3 (10.3) | 0.59 | 0.51 |
| Eel | 2.3 (2.8) | 2.3 (2.6) | 2.0 (2.9) | 0.59 | 0.25 |
| Lean fish | 14.5 (13.3) | 13.5 (10.9) | 21.9 (15.1) | 0.58 | 0.33 |
| Salty fish | 21.8 (26.6) | 23.8 (40.2) | 11.5 (9.7) | 0.73 | 0.57 |
| Fish products | 7.9 (7.1) | 7.4 (6.6) | 8.3 (5.5) | 0.55 | 0.20 |
| Pork | 32.3 (30.7) | 29.7 (25.0) | 28.2 (15.1) | 0.49 | 0.42 |
| Beef | 16.0 (13.9) | 16.3 (16.0) | 15.3 (12.2) | 0.55 | 0.43 |
| Chicken | 10.5 (11.9) | 10.6 (12.5) | 16.0 (12.1) | 0.52 | 0.20 |
| Liver | 2.9 (3.8) | 2.7 (3.8) | 1.4 (3.0) | 0.58 | 0.30 |
| Processed meats | 7.3 (7.8) | 7.3 (9.2) | 9.0 (8.1) | 0.60 | 0.45 |
| Eggs | 30.8 (21.7) | 31.8 (28.2) | 38.3 (14.8) | 0.56 | 0.51 |
| Milk | 179.4 (232.8) | 163.9 (179.0) | 101.6 (87.9) | 0.66 | 0.69 |
| Dairy products | 35.9 (67.3) | 33.3 (45.2) | 17.5 (35.2) | 0.72 | 0.67 |
| Soup | 1.9 (3.7) | 1.7 (3.5) | — | 0.36 | — |
| Confectionaries | 18.6 (21.1) | 17.8 (20.6) | 21.7 (19.1) | 0.71 | 0.51 |
| Green tea | 609.7 (510.5) | 559.1 (421.1) | 301.4 (235.5) | 0.61 | 0.44 |
| Coffee | 148.8 (194.1) | 125.9 (155.2) | 81.8 (116.5) | 0.80 | 0.75 |
| Soft drink | 62.7 (104.0) | 62.9 (126.9) | 24.9 (56.7) | 0.61 | 0.35 |
| Oolong tea | 41.5 (128.5) | 35.8 (89.7) | 32.3 (65.8) | 0.57 | 0.26 |
| Black tea | 18.5 (88.2) | 12.8 (28.1) | 6.3 (20.3) | 0.56 | 0.45 |
| Sauce | 1.3 (1.5) | 1.3 (1.5) | 2.5 (2.1) | 0.52 | 0.23 |
| Mayonnaise | 1.3 (1.6) | 1.2 (1.4) | 2.1 (1.7) | 0.40 | 0.42 |
| Dressing | 1.7 (2.6) | 1.4 (2.0) | 0.8 (1.3) | 0.53 | 0.32 |
| Sake | 76.1 (128.4) | 80.0 (137.6) | 59.7 (94.2) | 0.78 | 0.72 |
| Shochu | 44.0 (116.9) | 47.1 (108.9) | 30.2 (84.4) | 0.76 | 0.67 |
| Beer | 147.5 (245.5) | 143.2 (261.4) | 196.4 (223.0) | 0.58 | 0.53 |
| Whisky | 3.6 (15.2) | 3.6 (16.1) | 4.4 (16.5) | 0.36 | 0.37 |
| Wine | 2.3 (13.1) | 3.7 (19.6) | 3.2 (18.0) | 0.21 | 0.13 |
Abbreviations: DR, dietary record; FFQ, food frequency questionnaire; SD, standard deviation.
aFFQ_R was administered 1 year after or before FFQ_V.
bFFQ_V was administered after completion of the DRs.
c28- and 14-day DRs were collected over a 1-year period.