Table 2.

Ordinal Regression Analysis: Patient‐rated Adjusted Best‐fit Model

Parameter	Hypothesis Test			OR	95% Wald CI for OR
	Wald ${\mathit{\chi }}^2$	df	P Value		Lower	Upper
Analgesics vs. no analgesics	33.671	1	0.000	3.667	2.364	5.688
Comorbidities vs. no comorbidities	12.748	1	0.000	1.789	1.300	2.461
Age	3.638	1	0.056	1.009	1.000	1.019
Female vs. male	6.097	1	0.014	1.339	1.062	1.687
Dementia vs. no dementia	1.140	1	0.286	0.833	0.597	1.165
Premanifest vs. stage IV or V	1.058	1	0.304	0.677	0.322	1.424
Stage I vs. stage IV or V	0.136	1	0.713	0.893	0.489	1.630
Stage II vs. stage IV or V	0.176	1	0.675	0.895	0.531	1.506
Stage III vs. stage IV or V	0.981	1	0.322	0.796	0.506	1.251
Motor score	0.777	1	0.378	0.996	0.987	1.005
PR anxiety	46.191	1	0.000	1.118	1.083	1.155
PR depression	14.582	1	0.000	1.064	1.030	1.098

CI, confidence interval, OR, odds ratio; df, degrees of freedom; PR, patient‐rated.