Table 3.
Characteristics of the participants
| % | valid* | ||
| GMFCS score V | 82.7 | 0.95 | |
| Can communicate "yes" and "no" | 20.6 | 0.87 | |
| Can verbally communicate "yes" and "no" | 3.1 | 0.87 | |
| Living with parents at home | 81.4 | 1 | |
| Intentional movements | none | 34.8 | |
| little | 27.9 | ||
| regularly | 37.7 | 0.66 | |
| Involuntary movements | most of the day | 29.6 | |
| regularly | 35.2 | ||
| < 2 hours a week | 35.2 | 0.64 | |
| Seated > 3 hours / day | 84.5 | 0.68 | |
| Standing < 30 minutes / week | 38.3 | 0.59 | |
| Activity < 30 min / day | 51.3 | 0.58 | |
GMFCS = Gross Motor Function Classification Scale, *valid = fraction of the population with known information