Common values in assessing health outcomes from disease and injury: disability weights measurement study for the Global Burden of Disease Study 2010

JA Salomon, T de Vos, DR Hogan, M Gagnon, M Naghavi, A Mokdad, N Begum, R Shah, M Karyana, S Kosen, MR Farje, G Moncada, A Dutta, S Sazawal, A Dyer, J Seiler, V Aboyans, L Baker, A Baxter, EJ BenjaminK Bhalla, A Bin Abdulhak, F Blyth, R Bourne, T Braithwaite, P Brooks, TS Brugha, C Bryan-Hancock, R Buchbinder, P Burney, B Calabria, HL Chen, SS Chugh, R Cooley, MH Criqui, M Cross, KC Dabhadkar, N Dahodwala, A Davis, L Degenhardt, C Diaz-Torne, ER Dorsey, T Driscoll, K Edmond, A Elbaz, M Ezzati, V Feigin, CP Ferri, AD Flaxman, L Flood, Mirjam Fransen, K Fuse, BJ Gabbe, RF Gillum, J Haagsma, JE Harrison, R Havmoeller, RJ Hay, A Hel-Baqui, HW Hoek, H Hoffman, E Hogeland, D Hoy, D Jarvis, G Karthikeyan, LM Knowlton, T Lathlean, JL Leasher, SS Lim, SE Lipshultz, AD Lopez, R Lozano, R Lyons, R Malekzadeh, W Marcenes, L March, DJ Margolis, N McGill, J McGrath, GA Mensah, AC Meyer, C Michaud, A Moran, R Mori, ME Murdoch, L Naldi, CR Newton, R Norman, SB Omer, R Osborne, N Pearce, F Perez-Ruiz, N Perico, K Pesudovs, D Phillips, F Pourmalek, M Prince, JT Rehm, G Remuzzi, K Richardson, R Room, S Saha, U Sampson, L Sanchez-Riera, M Segui-Gomez, S Shahraz, K Shibuya, D Singh, K Sliwa, E Smith, Isabelle Soerjomataram, T Steiner, Wilma Stolk, LJ Stovner, C Sudfeld, HR Taylor, IM Tleyjeh, MJ (Marieke) van der Werf, WL Watson, DJ Weatherall, R Weintraub, MG Weisskopf, H Whiteford, JD Wilkinson, AD Woolf, ZJ Zheng, CJL Murray

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Abstract

Background Measurement of the global burden of disease with disability-adjusted life-years (DALYs) requires disability weights that quantify health losses for all non-fatal consequences of disease and injury. There has been extensive debate about a range of conceptual and methodological issues concerning the definition and measurement of these weights. Our primary objective was a comprehensive re-estimation of disability weights for the Global Burden of Disease Study 2010 through a large-scale empirical investigation in which judgments about health losses associated with many causes of disease and injury were elicited from the general public in diverse communities through a new, standardised approach. Methods We surveyed respondents in two ways: household surveys of adults aged 18 years or older (face-to-face interviews in Bangladesh, Indonesia, Peru, and Tanzania; telephone interviews in the USA) between Oct 28, 2009, and June 23, 2010; and an open-access web-based survey between July 26, 2010, and May 16, 2011. The surveys used paired comparison questions, in which respondents considered two hypothetical individuals with different, randomly selected health states and indicated which person Findings 13 902 individuals participated in household surveys and 16 328 in the web survey. Analysis of paired comparison responses indicated a high degree of consistency across surveys: correlations between individual survey results and results from analysis of the pooled dataset were 0.9 or higher in all surveys except in Bangladesh (r=0.75). Most of the 220 disability weights were located on the mild end of the severity scale, with 58 (26%) having weights below 0.05. Five (11%) states had wei Interpretation This study represents the most extensive empirical effort as yet to measure disability weights. By contrast with the popular hypothesis that disability assessments vary widely across samples with different cultural environments, we have reported strong evidence of highly consistent results.
Original languageUndefined/Unknown
Pages (from-to)2129-2143
Number of pages15
JournalLancet (UK)
Volume380
Issue number9859
DOIs
Publication statusPublished - 2012

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