Table 3.
(a) Spearman correlation coefficients of raw variables and (b) Pearson partial correlation coefficients of ranked variables adjusted for age, sex, BMI, and underreporting.
| (a) | FCS | HSR | MedDietScore | |
|---|---|---|---|---|
| FCS | rho (p) | - | 0.794 (p < 0.001) | 0.434 (p < 0.001) |
| HSR | rho (p) | 0.794 (p < 0.001) | - | 0.466 (p < 0.001) |
| MedDietScore | rho (p) | 0.434 (p < 0.001) | 0.466 (p < 0.001) | |
| Juices | rho (p) | ns | ns | 0.131 (p = 0.015) |
| Sodas | rho (p) | −0.477 (p < 0.001) | −0.427 (p < 0.001) | −0.224 (p < 0.001) |
| Alcoholic drinks | rho (p) | −0.232 (p < 0.001) | −0.295 (p < 0.001) | ns |
| Low-fat dairy | rho (p) | 0.128 (p = 0.01) | 0.215 (p < 0.001) | 0.267 (p < 0.001) |
| High-fat dairy | rho (p) | −0.115 (p = 0.03) | −0.233 (p < 0.001) | −0.333 (p < 0.001) |
| Vegetables | rho (p) | 0.401 (p < 0.001) | 0.355 (p < 0.001) | 0.465 (p < 0.001) |
| Legumes | rho (p) | 0.359 (p < 0.001) | 0.357 (p < 0.001) | 0.526 (p < 0.001) |
| Eggs | rho (p) | ns | ns | 0.137 (p = 0.01) |
| Red meat | rho (p) | −0.367 (p < 0.001) | −0.322 (p < 0.001) | −0.142 (p = 0.008) |
| Poultry | rho (p) | −0.106 (p = 0.05) | ns | ns |
| Fish–seafoods | rho (p) | 0.140 (p = 0.009) | 0.124 (p = 0.02) | 0.433 (p < 0.001) |
| Refined grains | rho (p) | −0.328 (p < 0.001) | ns | 0.165 (p = 0.002) |
| Whole grains | rho (p) | 0.299 (p < 0.001) | 0.266 (p < 0.001) | 0.582 (p < 0.001) |
| Fruits | rho (p) | 0.434 (p < 0.001) | 0.389 (p < 0.001) | 0.489 (p < 0.001) |
| Sweets | rho (p) | −0.553 (p < 0.001) | −0.586 (p < 0.001) | ns |
| Fats other than olive oil | rho (p) | −0.314 (p < 0.001) | −0.378 (p < 0.001) | ns |
| Olive oil | rho (p) | 0.165 (p = 0.002) | ns | 0.141 (p = 0.009) |
| Tea | rho (p) | 0.225 (p < 0.001) | 0.197 (p < 0.001) | 0.361 (p < 0.001) |
| Coffee | rho (p) | ns | ns | ns |
| Nuts | rho (p) | ns | ns | 0.130 (p = 0.01) |
| Fast foods | rho (p) | −0.432 (p < 0.001) | −0.420 (p < 0.001) | −0.166 (p = 0.002) |
| (b) Ranked variables of scores/food groups | FCS | HSR | MedDietScore | |
| FCS | rho (p) | - | 0.761 (p < 0.001) | ns |
| HSR | rho (p) | 0.761 (p < 0.001) | - | ns |
| MedDietScore | rho (p) | ns | ns | - |
| Juices | rho (p) | 0.121 (p = 0.02) | ns | ns |
| Sodas | rho (p) | −0.392 (p < 0.001) | −0.322 (p < 0.001) | −0.247 (p < 0.001) |
| Alcoholic drinks | rho (p) | −0.161 (p = 0.003) | −0.248 (p < 0.001) | ns |
| Low-fat dairy | rho (p) | ns | 0.155 (p = 0.004) | 0.236 (p < 0.001) |
| High-fat dairy | rho (p) | 0.116 (p = 0.03) | ns | −0.380 (p < 0.001) |
| Vegetables | rho (p) | 0.243 (p < 0.001) | 0.218 (p < 0.001) | 0.408 (p < 0.001) |
| Legumes | rho (p) | 0.140 (p = 0.01) | 0.156 (p = 0.004) | 0.488 (p < 0.001) |
| Eggs | rho (p) | ns | ns | 0.129 (p = 0.01) |
| Red meat | rho (p) | −0.281 (p < 0.001) | −0.237 (p < 0.001) | −0.194 (p < 0.001) |
| Poultry | rho (p) | ns | ns | ns |
| Fish–seafoods | rho (p) | ns | ns | 0.398 (p < 0.001) |
| Refined grains | rho (p) | −0.369 (p < 0.001) | ns | 0.106 (p = 0.05) |
| Whole grains | rho (p) | ns | ns | 0.560 (p < 0.001) |
| Fruits | rho (p) | 0.284 (p < 0.001) | 0.250 (p < 0.001) | 0.442 (p < 0.001) |
| Sweets | rho (p) | −0.492 (p < 0.001) | −0.505 (p < 0.001) | −0.185 (p < 0.001) |
| Fats other than olive oil | rho (p) | −0.256 (p < 0.001) | −0.335 (p < 0.001) | ns |
| Olive oil | rho (p) | 0.144 (p = 0.008) | ns | ns |
| Tea | rho (p) | ns | ns | 0.340 (p < 0.001) |
| Coffee | rho (p) | −0.144 (p < 0.001) | −0.191 (p < 0.001) | ns |
| Nuts | rho (p) | ns | ns | 0.119 (p = 0.02) |
| Fast foods | rho (p) | −0.352 (p < 0.001) | −0.321 (p < 0.001) | −0.202 (p < 0.001) |
Only significant correlations are shown. FCS: food compass score; HSR: health star rating; MedDietScore: Mediterranean diet score; ns: non-significant (p > 0.05).