Table 3.

Test–retest reliability in Italy and Spain (retest after 7–10 days)

	Italy		Spain
	Kappa coefficient	Agreement (%)	Kappa coefficient	Agreement (%)
Mobility (walking about)	0.222	91.5	−0.003*	99.4
Looking after myself	0.000a	93.8	0.665*	99.7
Doing usual activities	0.352*	82.9	0.557*	97.5
Having pain or discomfort	0.350*	69.8	0.435*	86.2
Feeling worried, sad or unhappy	0.549*	78.3	0.468*	87.4

* Significant at P ≤ 0.01

^aThe responses in the retest are identical