Functional ability in a population: normative survey data and reliability for the ICF based Norwegian Function Assessment Scale

Table 2 Weighted kappa and ICC in a test-retest study using NFAS(N = 101)

No.	N	Weighted kappa	ICC^a
Walking/standing		0.66	0.85
1	99	0.47
2	100	0.60
3	99	0.70
4	98	0.66
5	100	0.65
6	100	0.64
7	101	0.76
Holding/picking up things		0.67	0.87
8	100	0.76
9	99	0.40
10	100	0.83
11	100	0.71
12	101	0.72
13	99	0.51
14	99	0.57
15	101	0.70
Lifting/carrying		0.65	0.82
16	97	0.58
17	98	0.69
18	101	0.56
19	99	0.64
20	100	0.76
21	99	0.52
Sitting		0.61	0.79
22	100	0.63
23	101	0.64
24	99	0.58
Managing		0.57	0.79
25	100	0.67
26	96	0.75
27	97	0.48
28	99	0.57
29	101	0.56
30	97	0.51
31	99	0.38
Cooperation/communication		0.68	0.88
32	98	0.64
33	100	0.61
34	100	0.60
35	101	0.74
36	101	0.64
37	101	0.47
Senses		0.68	0.80
38	100	0.42
39	101	0.82

^a ICC = Intraclass correlation coefficient (two-way mixed with absolute agreement)

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