Table 3.

Inter-rater and intra-rater agreement statistics

Dimension/item	Inter-rater agreement (N = 170)		Intra-rater agreement (N = 50)
	Kappa	%a	Kappa	%a
Static sitting balance
Item 1	1b	100	1b	100
Item 2	1b	100	1b	100
Item 3	0.63c	79.41	0.80c	88.00
Dynamic sitting balance
Item 4	0.87	93.54	0.71	93.00
Item 5	0.81	92.35	0.77	94.00
Item 6	0.89	94.71	0.79	90.00
Item 7	0.88	90.25	0.82	92.00
Item 8	0.71	92.94	0.85	98.00
Item 9	0.84	93.53	0.74	94.00
Item 10	0.41	85.88	0.81	96.00
Item 11	0.63	84.12	0.83	94.00
Item 12	0.45	90.59	1b	100
Item 13	0.55	81.76	0.63	88.00
Co-ordination
Item 14	0.83a	92.94	0.70a	88.00
Item 15	0.84	92.94	0.77	90.00
Item 16	0.81a	90.59	0.91a	96.00
Item 17	0.84	92.35	0.84	92.00

^aPercentage of inter- or intra-rater agreement;

^bParticipants obtained the same score given their body function at mild or moderate severity of impairment instead of deteriorating status

^cWeighted kappa