aFor the regression analysis, scores were adjusted to be in the same direction: higher scores = more problems. |
bIndependent variables in the analysis were fatigue (FACIT-F), age (years), PD-duration (years), pain (NHP), turning hesitations (item 6, FOGQsa: dichotomized, 1 = turning hesitations), fluctuations (1 = yes), dyskinesia (1 = yes), freezing (item 3, FOGQsa: dichotomized, 1 = freezing), falls (1 = yes), near falls (1 = yes), need help from others in daily activities (1 = yes), and walking difficulties (Walk12-G).
cListed by order of entry into the model (forward method).
B: regression coefficient; CI: confidence interval; β: standardized regression coefficient.