Table 3. Parameters for longitudinal models with or without tremor items Table 3. Parameters for longitudinal models with or without tremor items Table 3. Parameters for longitudinal models with or without tremor items Table 3. Parameters for longitudinal models with or without tremor items Table 3. Parameters for longitudinal models with or without tremor items
Model
Severity (all items) Severity (non-tremor) Sum of score (all items) Sum of score (non-tremor)
Fixed effects (%RSE) Fixed effects (%RSE) Fixed effects (%RSE) Fixed effects (%RSE) Fixed effects (%RSE)
Baseline
Slope (year-1)
Effect of baseline on slope
0 (fixed) 0.227 (5) -0.0545 (20) 0 (fixed) 0.243 (5) -0.0568 (23) 19.6 (2) 2.99 (11) -0.043 (33) 15 (3) 2.24 (11) -0.0292 (49)
Inter-individual variability Inter-individual variability Inter-individual variability Inter-individual variability Inter-individual variability
ω2­baseline
ω2­slope
1 (fixed) a 0.0365 a 1 (fixed) a 0.0436 a 0.171 b 0.565 b 0.252 b 0.585 b
Inter-occasion variability Inter-occasion variability Inter-occasion variability Inter-occasion variability Inter-occasion variability
σproportional σadditive – 0.181 – 0.197 0.0567 – 0.0665 –
a additive variability; b exponential variability a additive variability; b exponential variability a additive variability; b exponential variability a additive variability; b exponential variability a additive variability; b exponential variability