Table 12.

Reliability statistics for scales, by type and rater-target groups

Raters-Targets	Communication	Accommodation	Isolation	NWI-NPRS
Composite reliability (individuals)
N→P	.76	.85	.76	.92
A→P	.73	.79	.79
P→N	.80	.86	.71
A→N	.82	.88	.72
Average interitem correlation (hospitals)
N→P1	.38	.59	.78
A→P1	.03	.52	.63
P→N2	.17	.47	.51
A→N1	.58	.64	.68
ICC(1, k) (hospitals)
N→P	.99	.95	.97	.71
A→P	.95	.75	.94
P→N	.87	.86	out of range
A→N	.89	.50	.64

¹Polychoric. ²Pearson.