| Family no. | Stay date | Staying | Toilet usage frequency | |
| person number | [times/day] | [times/person・day] | ||
| A-1 | 12/1 | 4 | 15 | 3.8 |
| A-2 | 12/2 | 3 | 19 | 6.3 |
| A-3 | 12/3 | 5 | 30 | 6.0 |
| B-1 | 12/1 | 4 | 24 | 6.0 |
| B-2 | 12/2 | 4 | 11 | 2.8 |
| B-3 | 12/3 | 4 | 11 | 2.8 |
| C-1 | 12/1 | 3 | 5 | 2.5 (Note) |
| C-2 | 12/2 | 4 | 23 | 5.8 |
| C-3 | 12/3 | 4 | 17 | 4.3 |