Review of disability weight studies: comparison of methodological choices and values

Haagsma, Juanita A; Polinder, Suzanne; Cassini, Alessandro; Colzani, Edoardo; Havelaar, Arie H

doi:10.1186/s12963-014-0020-2

Population Health Metrics

Table 1 Included studies: Panel of judges, health state description, and time presentation

From: Review of disability weight studies: comparison of methodological choices and values

Year	Study	Ref no.	Region	Multiple or single cause?	Panel composition	N panel	N health states	Health state description	Time presentation	Valuation methods(% of total number of health states valued by each of the methods)
1996	Murray et al.	[25]	Global	M	ME	10	483	DS	PP	<1% PTO, 99% VAS
1997	Stouthard et al.	[19]	Netherlands	M	ME	38	175	DS + EQ-5D	PP & AP	10% PTO, 90% VAS
1999	Üstün et al.	[26]	Global	M	HP, PM, PT, PX	241	17	DS	PP	100% ranking
2000	Havelaar et al.	[29]	Netherlands	M	ME	35	NA	NA	PP	Interpolation
2000	Jelsma et al.	[30]	Zimbabwe	M	PP, ME	68	22	NA	PP	VAS (ranking)
2000	Mathers et al.	[31]	Australia	M	Model	-	Model	MAUI (EQ-6D) + DDW	PP	EQ-6D: Not applicable
2002	Baltussen et al.	[32]	Burkina Faso	M	PP, HP	56	9	DS (scenarios)	PP	Adapted VAS/interpolation
2003	Schwarzinger et al.	[33]	Europe	M	ME, NHP	232	15	DS + EQ-5D	PP	100% VAS, 60% TTO, 60% PTO
2004	Brennan et al.	[34]	Australia	S (oral)	Model	-	18	MAUI (EQ-5D)	PP	EQ-6D: Not applicable
2005	Kruijshaar et al.	[35]	Netherlands	M	ME	49	9	DS + EQ-5D	PP	100% interpolation
2007	Brennan et al.	[36]	Australia	S (oral)	Model	-	6	MAUI (EQ-5D)	PP	EQ-6D: not applicable
2007	Yoon et al.	[37]	Korea	M	ME	30	123	NA	PP	13% PTO, 87% interpolation
2008	Basiri et al.	[38]	Iran	S (urologic)	ME	10	76	NA	PP	100% interpolation
2008	Haagsma et al.	[20]	Netherlands	S (injury)	PP	143	44	DS + EQ-5D	AP	100% VAS, 100% TTO
2008	Haagsma et al.	[39]	Netherlands	M	PP	107	39	DS + EQ-5D	AP	100% VAS, 100% PTO
2009	Haagsma et al.	[23]	Netherlands	S (injury)	Model	-	7	MAUI (EQ-5D)	PP	EQ-5D: not applicable
2009	Hong et al.	[28]	US/Southeast Asia	S (stroke)	ME	9	5	NA	NA	100% PTO
2009	Lai et al.	[40]	Estonia	M	ME	25	283	DS	PP	9% PTO, 91% VAS
2010	Kwong et al.	[41]	Canada	M	Model	-	Model	MAUI (CLAMES)	PP	CLAMES: not applicable
2011	Lyons et al.	[42]	UK	S (injury)	Model	-	13	MAUI (EQ-5D)	PP	EQ-5D: not applicable
2012	Salomon et al.	[27]	Global	M	PP	30230	220	DS (without label)	PP	100% Paired comparison
2011	Van Spijker et al.	[43]	Netherlands	M	ME	16	12	DS + EQ-5D	PP	100% VAS

NA = not available.
Multiple or single cause of disease: M = multiple, S = single.
Panel: ME = medical experts, HP = health professionals, PM = policymakers, PT = patients/people with disabilities, PX = patient proxies, PP = population.
Health state description: DS = disease-specific, MAUI = generic multi-attribute utility.
EQ-5D = multi-attribute utility instrument that consists of five attributes (mobility, self-care, usual activities, pain/discomfort. and anxiety/depression).
EQ-6D = EQ-5D appended with a cognitive attribute.
Clames model = Classification and Measurement System of Functional Health; a combination of HUI, SF36, and EQ-5D attributes.
Time presentation: PP = period profile, AP = annual profile.
Valuation method: VAS = visual analog scale, TTO = time trade-off, PTO = person trade-off.

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