Table 2.

Question to the subject

A.	You have now completed 5 various questionnaires
	Please indicate on a rating scale scored 1–5 the degree of difficulty to complete them:
	1 = very easy		2 = easy	3 = acceptable
	4 = difficult			5 = very difficult
	1)	SF-36	____
	2)	SGRQ	____
	3)	EQ-5D	____
	4)	WPAI	____
	5)	HS-COPD	____
To be completed by administrator.
B.	Time for completion: ____ min
C.	The administrator's opinion of how the subject understands the meaning of the questionnaires
	Good understanding			(1)
	Probably understood			(2)
	Possibly understood			(3)
	Did not understand			(4)