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Final reduced model type 3 fixed effects.
| Effect | Numerator Degrees of Freedom | Denominator Degrees of Freedom | F value | P-value |
| Age group | 2 | 55.8 | 0.79 | 0.4599 |
| Sex | 1 | 48 | 0.05 | 0.8164 |
| BMI | 1 | 47 | 2.30 | 0.1358 |
| Dominant hand | 1 | 54.4 | 2.10 | 0.1532 |
| Device | 7 | 49.5 | 3.56 | 0.0036 |
| Age group x device | 14 | 76.3 | 2.00 | 0.0287 |
