Reliability of the interRAI suite of assessment instruments: a 12-country study of an integrated health information system

Table 3 Average weighted kappa values by type of item and interRAI instrument

Item Domains	Number of Items	Long term care facility (LTCF)	Home Care (HC)	Palliative Care (PC)	Post Acute Care (PAC)	Mental Health (MH)	All Instruments
		148 common 48 unique	112 common 62 unique	63 common 64 unique	120 common 8 unique	48 common 170 unique	Weighed Kappa⁴
Sex	1	0.96	0.93	0.98	0.98		0.96
Marital Status	1	0.93	0.92	0.90	0.94	0.92	0.93
ADL	9	0.87	0.90	0.81	0.84	0.92	0.89
Discharge status	2	0.65	-	-	0.39	0.86	0.87
Height, weight	2	0.82	0.85	-	0.96	0.81	0.84
Stage of pressure ulcer	1	0.85	0.87	0.80	0.82	-	0.84
Communication	2	0.76	0.75	0.88	0.80	0.82	0.83
Tobacco, Alcohol	2	0.91	0.73	0.78	0.71	0.92	0.82
Allergy to drugs	1	0.91	0.74	0.88	0.76	-	0.82
IADL performance	6	-	0.77	-	0.74	-	0.82
IADL capacity	4	-	0.79	-	0.74	-	0.78
Standing	2	0.83	NA	-	0.75	-	0.81
Continence	3	0.90	0.76	0.72	0.63	0.91	0.80
Treatments	8	0.83	0.93	0.79	0.76	-	0.80
Thoughts	3	0.73	0.75	-	0.41	0.66	0.79
Cognition	4	0.77	0.65	0.83	0.69	0.87	0.79
Falls, fractures	3	0.86	0.65	0.61	0.82	0.73	0.77
Prevention	4	0.65	0.77	-	-	-	0.74
Pain	4	0.63	0.76	0.69	0.73	0.71	0.73
Legal status	5	0.73	0.61	-	0.76	0.94	0.73
Advance directives	4	0.63	-	0.87	0.83	1.00	0.73

For variable sets with a single item the kappa value reflects the value for that item alone. All other rows reflect the average kappa value for the types of items available for that domain area.

ISSN: 1472-6963