Table 4.

Intraclass correlation coefficient (ICC) for each item

	ICC	95 % CI
P1	0.54	0.43	–	0.63
P2	0.85	0.80	–	0.88
P3a	0.77	0.71	–	0.82
P3b	0.86	0.81	–	0.89
P4	0.80	0.75	–	0.85
P5a	0.70	0.62	–	0.76
P5b	0.59	0.49	–	0.68
P6	0.68	0.59	–	0.75
P7	0.84	0.79	–	0.87
P8	0.95	0.93	–	0.96
P9a	0.88	0.85	–	0.91
P9b	0.66	0.58	–	0.74
P10	0.76	0.69	–	0.81
P11a	0.73	0.66	–	0.79
P11b	0.79	0.73	–	0.84