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

Table 4

Item characteristics of the German version of the Parkinson’s disease caregiver burden questionnaire (n = 22).

Item	Mean	SD	Corrected item total correlation	α if item 2 was deleted
1	1.00	1.34	0.602	0.779
2	1.48	1.54	−0.053	0.825
3	1.00	1.27	0.499	0.786
4	1.48	1.29	0.527	0.784
5	2.05	1.40	0.423	0.791
6	2.14	1.11	0.150	0.806
7	1.05	1.24	0.511	0.785
8	0.76	1.22	0.188	0.805
9	1.81	1.17	0.549	0.784
10	0.76	0.94	0.207	0.802
11	1.57	1.21	0.383	0.793
12	1.90	1.30	0.543	0.783
13	0.19	0.402	0.510	0.796
14	1.05	1.32	0.273	0.800
15	0.76	0.70	0.593	0.788
16	1.05	1.12	0.794	0.770
17	0.67	1.16	0.141	0.807
18	0.67	1.20	0.320	0.797
19	3.19	1.03	0.513	0.787
20	1.48	1.17	0.143	0.807