| The amplification of meal intake function 1 | β | p |
| Assessment of oral functions using a feeding and swallowing assessment checklist every three months | 0.14 | <0.05 |
| Holding care conferences related to ingestion and swallowing every three months | 0.10 | <0.05 |
| Maintaining the 1:2 ratio for meal-time assistants to residents | 0.08 | <0.05 |
| R2 | 0.14 | |
| n | 1067 | |