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. 2012 Dec 15;380(9859):2224-60.
doi: 10.1016/S0140-6736(12)61766-8.

A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010

Stephen S Lim  1 Theo VosAbraham D FlaxmanGoodarz DanaeiKenji ShibuyaHeather Adair-RohaniMarkus AmannH Ross AndersonKathryn G AndrewsMartin AryeeCharles AtkinsonLoraine J BacchusAdil N BahalimKalpana BalakrishnanJohn BalmesSuzanne Barker-ColloAmanda BaxterMichelle L BellJed D BloreFiona BlythCarissa BonnerGuilherme BorgesRupert BourneMichel BoussinesqMichael BrauerPeter BrooksNigel G BruceBert BrunekreefClaire Bryan-HancockChiara BucelloRachelle BuchbinderFiona BullRichard T BurnettTim E ByersBianca CalabriaJonathan CarapetisEmily CarnahanZoe ChafeFiona CharlsonHonglei ChenJian Shen ChenAndrew Tai-Ann ChengJennifer Christine ChildAaron CohenK Ellicott ColsonBenjamin C CowieSarah DarbySusan DarlingAdrian DavisLouisa DegenhardtFrank DentenerDon C Des JarlaisKaren DevriesMukesh DheraniEric L DingE Ray DorseyTim DriscollKaren EdmondSuad Eltahir AliRebecca E EngellPatricia J ErwinSaman FahimiGail FalderFarshad FarzadfarAlize FerrariMariel M FinucaneSeth FlaxmanFrancis Gerry R FowkesGreg FreedmanMichael K FreemanEmmanuela GakidouSantu GhoshEdward GiovannucciGerhard GmelKathryn GrahamRebecca GraingerBridget GrantDavid GunnellHialy R GutierrezWayne HallHans W HoekAnthony HoganH Dean Hosgood 3rdDamian HoyHoward HuBryan J HubbellSally J HutchingsSydney E IbeanusiGemma L JacklynRashmi JasrasariaJost B JonasHaidong KanJohn A KanisNicholas KassebaumNorito KawakamiYoung-Ho KhangShahab KhatibzadehJon-Paul KhooCindy KokFrancine LadenRatilal LallooQing LanTim LathleanJanet L LeasherJames LeighYang LiJohn Kent LinSteven E LipshultzStephanie LondonRafael LozanoYuan LuJoelle MakReza MalekzadehLeslie MallingerWagner MarcenesLyn MarchRobin MarksRandall MartinPaul McGaleJohn McGrathSumi MehtaGeorge A MensahTony R MerrimanRenata MichaCatherine MichaudVinod MishraKhayriyyah Mohd HanafiahAli A MokdadLidia MorawskaDariush MozaffarianTasha MurphyMohsen NaghaviBruce NealPaul K NelsonJoan Miquel NollaRosana NormanCasey OlivesSaad B OmerJessica OrchardRichard OsborneBart OstroAndrew PageKiran D PandeyCharles D H ParryErin PassmoreJayadeep PatraNeil PearcePamela M PelizzariMax PetzoldMichael R PhillipsDan PopeC Arden Pope 3rdJohn PowlesMayuree RaoHomie RazaviEva A RehfuessJürgen T RehmBeate RitzFrederick P RivaraThomas RobertsCarolyn RobinsonJose A Rodriguez-PortalesIsabelle RomieuRobin RoomLisa C RosenfeldAnanya RoyLesley RushtonJoshua A SalomonUchechukwu SampsonLidia Sanchez-RieraElla SanmanAmir SapkotaSoraya SeedatPeilin ShiKevin ShieldRupak ShivakotiGitanjali M SinghDavid A SleetEmma SmithKirk R SmithNicolas J C StapelbergKyle SteenlandHeidi StöcklLars Jacob StovnerKurt StraifLahn StraneyGeorge D ThurstonJimmy H TranRita Van DingenenAaron van DonkelaarJ Lennert VeermanLakshmi VijayakumarRobert WeintraubMyrna M WeissmanRichard A WhiteHarvey WhitefordSteven T WiersmaJames D WilkinsonHywel C WilliamsWarwick WilliamsNicholas WilsonAnthony D WoolfPaul YipJan M ZielinskiAlan D LopezChristopher J L MurrayMajid EzzatiMohammad A AlMazroaZiad A Memish
Affiliations
Free PMC article

A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010

Stephen S Lim et al. Lancet. .
Free PMC article

Erratum in

  • Lancet. 2013 Apr 13;381(9874):1276
  • Lancet. 2013 Feb 23;381(9867):628. AlMazroa, Mohammad A [added]; Memish, Ziad A [added]

Abstract

Background: Quantification of the disease burden caused by different risks informs prevention by providing an account of health loss different to that provided by a disease-by-disease analysis. No complete revision of global disease burden caused by risk factors has been done since a comparative risk assessment in 2000, and no previous analysis has assessed changes in burden attributable to risk factors over time.

Methods: We estimated deaths and disability-adjusted life years (DALYs; sum of years lived with disability [YLD] and years of life lost [YLL]) attributable to the independent effects of 67 risk factors and clusters of risk factors for 21 regions in 1990 and 2010. We estimated exposure distributions for each year, region, sex, and age group, and relative risks per unit of exposure by systematically reviewing and synthesising published and unpublished data. We used these estimates, together with estimates of cause-specific deaths and DALYs from the Global Burden of Disease Study 2010, to calculate the burden attributable to each risk factor exposure compared with the theoretical-minimum-risk exposure. We incorporated uncertainty in disease burden, relative risks, and exposures into our estimates of attributable burden.

Findings: In 2010, the three leading risk factors for global disease burden were high blood pressure (7·0% [95% uncertainty interval 6·2-7·7] of global DALYs), tobacco smoking including second-hand smoke (6·3% [5·5-7·0]), and alcohol use (5·5% [5·0-5·9]). In 1990, the leading risks were childhood underweight (7·9% [6·8-9·4]), household air pollution from solid fuels (HAP; 7·0% [5·6-8·3]), and tobacco smoking including second-hand smoke (6·1% [5·4-6·8]). Dietary risk factors and physical inactivity collectively accounted for 10·0% (95% UI 9·2-10·8) of global DALYs in 2010, with the most prominent dietary risks being diets low in fruits and those high in sodium. Several risks that primarily affect childhood communicable diseases, including unimproved water and sanitation and childhood micronutrient deficiencies, fell in rank between 1990 and 2010, with unimproved water and sanitation accounting for 0·9% (0·4-1·6) of global DALYs in 2010. However, in most of sub-Saharan Africa childhood underweight, HAP, and non-exclusive and discontinued breastfeeding were the leading risks in 2010, while HAP was the leading risk in south Asia. The leading risk factor in Eastern Europe, most of Latin America, and southern sub-Saharan Africa in 2010 was alcohol use; in most of Asia, North Africa and Middle East, and central Europe it was high blood pressure. Despite declines, tobacco smoking including second-hand smoke remained the leading risk in high-income north America and western Europe. High body-mass index has increased globally and it is the leading risk in Australasia and southern Latin America, and also ranks high in other high-income regions, North Africa and Middle East, and Oceania.

Interpretation: Worldwide, the contribution of different risk factors to disease burden has changed substantially, with a shift away from risks for communicable diseases in children towards those for non-communicable diseases in adults. These changes are related to the ageing population, decreased mortality among children younger than 5 years, changes in cause-of-death composition, and changes in risk factor exposures. New evidence has led to changes in the magnitude of key risks including unimproved water and sanitation, vitamin A and zinc deficiencies, and ambient particulate matter pollution. The extent to which the epidemiological shift has occurred and what the leading risks currently are varies greatly across regions. In much of sub-Saharan Africa, the leading risks are still those associated with poverty and those that affect children.

Funding: Bill & Melinda Gates Foundation.

Figures

Figure 1
Figure 1. Burden of disease attributable to 20 leading risk factors in 1990, expressed as a percentage of global disability-adjusted life-years
For men (A), women (B), and both sexes (C).
Figure 2
Figure 2. Burden of disease attributable to 20 leading risk factors in 2010, expressed as a percentage of global disability-adjusted life-years
For men (A), women (B), and both sexes (C).
Figure 3
Figure 3. Global risk factor ranks with 95% UI for all ages and sexes combined in 1990, and 2010, and percentage change
PM=particulate matter. UI=uncertainty interval. SHS=second-hand smoke. An interactive version of this figure is available online at http://healthmetricsandevaluation.org/gbd/visualizations/regional.
Figure 4
Figure 4. 95% uncertainty intervals for risk factors ranked by global attributable disability-adjusted life-years, 2010
An interactive version of this figure is available online at http://healthmetricsandevaluation.org/gbd/visualizations/regional
Figure 5
Figure 5. Risk factors ranked by attributable burden of disease, 2010
Regions are ordered by mean life expectancy. No data=attributable disability-adjusted life-years were not quantified.
Figure 6
Figure 6. Attributable burden for each risk factor
As percentage of disability-adjusted life-years in 1990 (A), and 2010 (B), and as disability-adjusted life-years per 1000 people in 1990 (C), and 2010 (D). Regions ordered by mean life expectancy. Burden of disease attributable to individual risk factors are shown sequentially for ease of presentation. In reality, the burden attributable to different risks overlaps because of multicausality and because the effects of some risk factors are partly mediated through other, more proximal, risks. An interactive version of this figure is available online at http://healthmetricsandevaluation.org/gbd/visualizations/regional.

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