Comparison of diet quality scores among patients completing diet quality questionnaires at more than one visit
| Self-rated diet quality, n=204* | Baseline | Follow-up | P value |
| Poor | 7 (3.4) | 4 (2.0) | <0.0001 |
| Fair | 36 (17.7) | 28 (13.7) | |
| Good | 76 (37.3) | 85 (41.7) | |
| Very good | 70 (34.3) | 74 (36.3) | |
| Excellent | 15 (7.4) | 13 (6.4) | |
| Mediterranean Diet Score (MDS), n=205 | |||
| Vegetables | 131(64) | 148 (72) | <0.0001 |
| Fruit | 134 (65) | 148(72) | <0.0001 |
| Whole grains | 127(62) | 136(66) | <0.0001 |
| Wine | 58(28) | 62(30) | <0.0001 |
| Fish | 115(56) | 128(62) | <0.0001 |
| Legumes/beans | 122(60) | 127(62) | <0.0001 |
| Nuts/seeds | 128(62) | 135(66) | <0.0001 |
| Fat | 174(85) | 178(87) | <0.0001 |
| Red or processed meats | 133(65) | 143(70) | <0.0001 |
| MDS, mean±SD | 5.6±1.8 | 5.9±1.8 | <0.0001 |
*Twenty-four per cent of the patients repeated the screener.