{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T19:18:04Z","timestamp":1791141484456,"version":"4.1.0"},"reference-count":29,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2004,1,9]],"date-time":"2004-01-09T00:00:00Z","timestamp":1073606400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Health Economics"],"published-print":{"date-parts":[[2004,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>As the number of preference\u2010based instruments grows, it becomes increasingly important to compare different preference\u2010based measures of health in order to inform an important debate on the choice of instrument. This paper presents a comparison of two of them, the EQ\u20105D and the SF\u20106D (recently developed from the SF\u201036) across seven patient\/population groups (chronic obstructive airways disease, osteoarthritis, irritable bowel syndrome, lower back pain, leg ulcers, post menopausal women and elderly). The mean SF\u20106D index value was found to exceed the EQ\u20105D by 0.045 and the intraclass correlation coefficient between them was 0.51. Whilst this convergence lends some support for the validity of these measures, the modest difference at the aggregate level masks more significant differences in agreement across the patient groups and over severity of illness, with the SF\u20106D having a smaller range and lower variance in values. There is evidence for floor effects in the SF\u20106D and ceiling effects in the EQ\u20105D. These discrepancies arise from differences in their health state classifications and the methods used to value them. Further research is required to fully understand the respective roles of the descriptive systems and the valuation methods and to examine the implications for estimates of the impact of health care interventions. Copyright \u00a9 2004 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/hec.866","type":"journal-article","created":{"date-parts":[[2004,9,14]],"date-time":"2004-09-14T08:15:56Z","timestamp":1095149756000},"page":"873-884","source":"Crossref","is-referenced-by-count":657,"title":["A comparison of the EQ\u20105D and SF\u20106D across seven patient groups"],"prefix":"10.1002","volume":"13","author":[{"given":"John","family":"Brazier","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer","family":"Roberts","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aki","family":"Tsuchiya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Busschbach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,1,9]]},"reference":[{"key":"e_1_2_1_2_2","volume-title":"Methods for the Economic Evaluation of Health Care Programme","author":"Drummond MF","year":"1987"},{"key":"e_1_2_1_3_2","first-page":"1","article-title":"A review of the use of Health Status measures in economic evaluation","volume":"3","author":"Brazier JE","year":"1999","journal-title":"Int J Health Technol Assess"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0168-8510(90)90421-9"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0168-8510(96)00822-6"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005650-199711000-00002"},{"key":"e_1_2_1_7_2","volume-title":"The Measurement and Valuation of Health: Final Report on the Modelling of Valuation Tariffs","author":"The MVH Group","year":"1995"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1177\/0272989X0102100102"},{"key":"e_1_2_1_9_2","unstructured":"ClaesC GreinerW UberA et al.An interview\u2010based comparison of the TTO and VAS values given to EuroQol states of health by the general German population. 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