Validation of the Parkinson’s Disease Caregiver Burden Questionnaire in Progressive Supranuclear Palsy

Table 3

Spearman correlations of patient and caregiver measures including Parkinson’s disease caregiver burden questionnaire total score (n = 22).

	1	2	3	4	5	6	7	8	9
1. PDCB total score	—
2. CBI	0.911	—
3. PSP-QoL	0.408	0.359	—
4. PSP rating scale	0.585	0.552	0.450	—
5. Patient GDS-15	0.471	0.373	0.533	0.292	—
6. Patient MoCA	−0.462	−0.453	−0.198	−0.654	−0.247	—
7. Caregiving hours per day	0.05	−0.048	−0.184	0.168	−0.473	0.11	—
8. Caregiver SF-36	−0.474	−0.584	−0.193	−0.371	−0.228	0.252	−0.221	—
9. Caregiver GDS-15	0.535	0.542	0.396	0.345	0.236	−0.119	0.087	−0.802	—

Note: correlations and r values of interest for the validity of the PDCB total score are displayed in column 1. The remaining correlations of the other column were not compared to a significance threshold. Significance at ; significance at .