Table 6

κ Levels of agreement^6-151 for importance of function (n=25 in each group)

Groups		Simple κ values				Quadratic weighted κ values
Groups		8 Domain MHAQ	20 ADL HAQ			8 Domain MHAQ	20 ADL HAQ
Single groups:
RA (patients) (n=25)	0.09	0.04^6-150		0.244^6-165	0.241^6-165
HP (professionals) (n=25)	0.16^6-150	0.17^6-150		0.327^6-165	0.241^6-165
NAC (controls) (n=25)	0.08	0.05		0.299^6-165	0.368^6-165
Combined groups:
RA + HP (n=50)	0.11^6-150	0.10^6-150		0.275^6-165	0.238^6-165
RA + NAC (n=50)	0.07	0.05^6-150		0.308^6-165	0.323^6-165
HP + NAC (n=50)	0.12^6-150	0.09^6-150		0.381^6-165	0.365^6-165
All subject groups:
RA + HP + NAC (n=75)	0.10^6-150	0.08^6-150		0.326^6-165	0.316^6-165

↵6-150 p<0.05;
6-160 p<0.01;
↵6-165 p<0.001.
↵6-151 Levels of agreement: poor (0); slight (0.01–0.2); fair (0.21–0.4); moderate (0.41–0.6); substantial (0.61–0.8); almost perfect (0.81–1.00).