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.

Hirdes et al. BMC Health Services Research 2008 8:277   doi:10.1186/1472-6963-8-277