Exploration of the content validity and feasibility of the EQ-5D-3L, ICECAP-O and ASCOT in older adults

Table 3 Matrix of issues experienced by respondents versus items of the EQ-5D, ICECAP-O and ASCOT

		EQ-5D					ICECAP-O					ASCOT
		Mobility	Self-care	Usual activities	Pain/discomfort	Anxiety/depression	Attachment	Security	Role	Enjoyment	Control	Control over daily life	Personal cleanliness and comfort	Food and drink	Personal safety	Social participation and involvement	Occupation	Accommodation cleanliness and comfort	Dignity (filter question)	Dignity
Comprehension phase
Understanding the words
-	Odd wording												/
-	Difficult wording																		///	/
Interpreting intended scope and meaning
-	Difficult interpretation of item								////		/	//					/		//////	//
-	Wrong interpretation of item				/				///
-	Narrow interpretation of item			/////	//////	//////	///////	///////			////				//////			///////
Selecting and reporting phase
Mapping
-	Different answers for different aspects	/	/				/				//
-	Response option partly applicable												//			///
-	Irrelevant response option						/								//	////
-	Missing intermediate response options	//								/		/
-	Similar response options									/			/		/		//
-	Disagreement with order of response options										/			///		/
Editing
-	Positive responding	//		///	//	//	////	/		//	////	///	/		/	//	/

ISSN: 1472-6963