| Variables | 1 | 2 | 3 | 4 | 5 | 6 |
| 1) Frequency (right hand) | - | |||||
| 2) Frequency (left hand) | 0.73** | - | ||||
| 3) Frequency (both hands) | 0.92** | 0.92** | - | |||
| 4) Frequency (left-right difference) | −0.02 | −0.62** | −0.37* | - | ||
| 5) Age | −0.16 | −0.12 | −0.10 | −0.06 | - | |
| 6) Duration of MVT use | 0.37* | 0.55** | 0.5** | −0.4* | 0.21 | - |