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.

Authors:
Hialy Gutierrez, MPH
Dr. David Sleet, MA, Ph.D
Dr. David Sleet, MA, Ph.D
Health Promotion Assoc, San Diego State U, Emory University;Centers for Disease Control and Prevention
Consultant, Injury Prevention; Bizzell Group; CDC
Injury Prevention
Atlanta and San Diego, Georgia and California | United States
Stephen S Lim Theo Vos Abraham D Flaxman Goodarz Danaei Kenji Shibuya Heather Adair-Rohani Markus Amann H Ross Anderson Kathryn G Andrews Martin Aryee Charles Atkinson Loraine J Bacchus Adil N Bahalim Kalpana Balakrishnan John Balmes Suzanne Barker-Collo Amanda Baxter Michelle L Bell Jed D Blore Fiona Blyth Carissa Bonner Guilherme Borges Rupert Bourne Michel Boussinesq Michael Brauer Peter Brooks Nigel G Bruce Bert Brunekreef Claire Bryan-Hancock Chiara Bucello Rachelle Buchbinder Fiona Bull Richard T Burnett Tim E Byers Bianca Calabria Jonathan Carapetis Emily Carnahan Zoe Chafe Fiona Charlson Honglei Chen Jian Shen Chen Andrew Tai-Ann Cheng Jennifer Christine Child Aaron Cohen K Ellicott Colson Benjamin C Cowie Sarah Darby Susan Darling Adrian Davis Louisa Degenhardt Frank Dentener Don C Des Jarlais Karen Devries Mukesh Dherani Eric L Ding E Ray Dorsey Tim Driscoll Karen Edmond Suad Eltahir Ali Rebecca E Engell Patricia J Erwin Saman Fahimi Gail Falder Farshad Farzadfar Alize Ferrari Mariel M Finucane Seth Flaxman Francis Gerry R Fowkes Greg Freedman Michael K Freeman Emmanuela Gakidou Santu Ghosh Edward Giovannucci Gerhard Gmel Kathryn Graham Rebecca Grainger Bridget Grant David Gunnell Hialy R Gutierrez Wayne Hall Hans W Hoek Anthony Hogan H Dean Hosgood Damian Hoy Howard Hu Bryan J Hubbell Sally J Hutchings Sydney E Ibeanusi Gemma L Jacklyn Rashmi Jasrasaria Jost B Jonas Haidong Kan John A Kanis Nicholas Kassebaum Norito Kawakami Young-Ho Khang Shahab Khatibzadeh Jon-Paul Khoo Cindy Kok Francine Laden Ratilal Lalloo Qing Lan Tim Lathlean Janet L Leasher James Leigh Yang Li John Kent Lin Steven E Lipshultz Stephanie London Rafael Lozano Yuan Lu Joelle Mak Reza Malekzadeh Leslie Mallinger Wagner Marcenes Lyn March Robin Marks Randall Martin Paul McGale John McGrath Sumi Mehta George A Mensah Tony R Merriman Renata Micha Catherine Michaud Vinod Mishra Khayriyyah Mohd Hanafiah Ali A Mokdad Lidia Morawska Dariush Mozaffarian Tasha Murphy Mohsen Naghavi Bruce Neal Paul K Nelson Joan Miquel Nolla Rosana Norman Casey Olives Saad B Omer Jessica Orchard Richard Osborne Bart Ostro Andrew Page Kiran D Pandey Charles D H Parry Erin Passmore Jayadeep Patra Neil Pearce Pamela M Pelizzari Max Petzold Michael R Phillips Dan Pope C Arden Pope John Powles Mayuree Rao Homie Razavi Eva A Rehfuess Jürgen T Rehm Beate Ritz Frederick P Rivara Thomas Roberts Carolyn Robinson Jose A Rodriguez-Portales Isabelle Romieu Robin Room Lisa C Rosenfeld Ananya Roy Lesley Rushton Joshua A Salomon Uchechukwu Sampson Lidia Sanchez-Riera Ella Sanman Amir Sapkota Soraya Seedat Peilin Shi Kevin Shield Rupak Shivakoti Gitanjali M Singh David A Sleet Emma Smith Kirk R Smith Nicolas J C Stapelberg Kyle Steenland Heidi Stöckl Lars Jacob Stovner Kurt Straif Lahn Straney George D Thurston Jimmy H Tran Rita Van Dingenen Aaron van Donkelaar J Lennert Veerman Lakshmi Vijayakumar Robert Weintraub Myrna M Weissman Richard A White Harvey Whiteford Steven T Wiersma James D Wilkinson Hywel C Williams Warwick Williams Nicholas Wilson Anthony D Woolf Paul Yip Jan M Zielinski Alan D Lopez Christopher J L Murray Majid Ezzati Mohammad A AlMazroa Ziad A Memish

Lancet 2012 Dec;380(9859):2224-60

Institute for Health Metrics and Evaluation, Seattle, WA 98121, USA.

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.

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Source
http://dx.doi.org/10.1016/S0140-6736(12)61766-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4156511PMC
December 2012
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