| Correlations | ||
| BMI vs. foods | Old men n = 44 | Old women n = 39 |
| Energy | 0.072 | 0.125 |
| Protein | 0.050 | 0.158 |
| Animal protein | 0.000 | 0.125 |
| Vegetable protein | 0.144 | 0.168 |
| Lipid | 0.220 | 0.157 |
| Animal lipid | 0.091 | 0.066 |
| Vegetable lipid | 0.335* | 0.216 |
| Carbohydrate | 0.055 | 0.073 |
| Saturated fatty acid | 0.108 | 0.145 |
| Monounsaturated fatty acid | 0.279 | 0.152 |
| Polyunsaturated fatty acid | 0.255 | 0.190 |
| Cholesterol | 0.228 | −0.009 |
| Soluble dietary fiber | 0.204 | 0.080 |
| Insoluble dietary fiber | 0.222 | 0.161 |
| Total dietary fiber | 0.236 | 0.136 |
| Salt | 0.103 | 0.203 |
| Sucrose | 0.031 | 0.022 |
| Alcohol | −0.084 | −0.024 |
| n − 3 fatty acid | 0.102 | 0.196 |
| n − 6 fatty acid | 0.298* | 0.181 |
| Grains | −0.052 | −0.009 |
| Potatoes | −0.030 | −0.047 |
| Sucrose | −0.237 | −0.037 |
| Beans | −0.061 | 0.289 |
| Green yellow vegetables | 0.174 | 0.095 |
| Other vegetables | 0.230 | 0.248 |
| Fruits | 0.298* | −0.047 |
| Fish | −0.095 | 0.105 |
| Meats | 0.142 | 0.125 |
| Eggs | 0.367* | −0.260 |
| Milk | −0.255 | 0.082 |
| Oil | 0.257 | 0.258 |
| Cakes | 0.203 | 0.068 |
| Beverages | −0.009 | 0.130 |
| Seasonings, spices | 0.012 | 0.023 |