The development and preliminary validation of a Preference-Based Stroke Index (PBSI)

Table 3 Inter-item correlation coefficients on PBSI

	Walking	Stairs	Physical activities	Recreational activities	Work	Driving	Memory	Speech	Coping	Self-esteem
Walking	1.00	.665	.602	.571	.603	.305	.335	.414	.324	.271
Stairs	------	1.00	.466	.348	.420	.280	.443	.541	.379	.224†
Physical activities			1.00	.749	.710	.419	.300	.271	.397	.395
Recreational activities				1.00	.662	.275	.333	.215†	.414	.384
Work					1.00	.423	.263	.345	.434	.360
Driving						1.00	.063†	.139†	.095†	.292
Memory							1.00	.365	.573	.485
Speech								1.00	.372	.358
Coping									1.00	.528
Self-esteem										1.00

ISSN: 1477-7525