| Name | Labels | Units | Levels | Storage |
| week | Week | integer | ||
| site | Site | 9 | integer | |
| id | ID | integer | ||
| treat | Treatment | 3 | integer | |
| age | Age | years | integer | |
| sex | Sex | 2 | integer | |
| twstrs | TWSTRS-total score | integer |
| Variable | Levels |
| site | 1 |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| treat | 10000U |
| 5000U | |
| Placebo | |
| sex | F |
| M |