Table 2: Correlation coefficient matrix among seven categories.
| Nutrition state | Oral function | Healthy life | Cognitive function | Social participation | Vitality | Motor function |
Nutrition state | 1.0000 | 0.1920 | 0.2499 | 0.0732 | 0.0756 | 0.1108 | 0.1261 |
Oral function | 0.1920 | 1.0000 | 0.1077 | 0.0306 | 0.0124 | -0.0326 | 0.2036 |
Healthy life | 0.2499 | 0.1077 | 1.0000 | 0.2423 | 0.0966 | 0.4086 | 0.1939 |
Cognitive function | 0.0732 | 0.0306 | 0.2423 | 1.0000 | 0.0924 | 0.2581 | 0.1295 |
Social participation | 0.0756 | 0.0124 | 0.0966 | 0.0924 | 1.0000 | 0.0924 | -0.0060 |
Vitality | 0.1108 | -0.0326 | 0.4086 | 0.2581 | 0.2094 | 1.0000 | 0.1991 |
Motor function | 0.01261 | 0.2036 | 0.1939 | 0.1295 | -0.0060 | 0.1991 | 1.0000 |