20 results on '"Prüss-Ustün, Annette"'
Search Results
2. Handwashing with soap after potential faecal contact: global, regional and country estimates.
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Wolf, Jennyfer, Johnston, Richard, Freeman, Matthew C, Ram, Pavani K, Slaymaker, Tom, Laurenz, Eric, and Prüss-Ustün, Annette
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HAND washing ,MULTILEVEL models ,HIGH-income countries ,INFECTIOUS disease transmission ,MIDDLE-income countries ,META-analysis - Abstract
Background: Limited data have been available on the global practice of handwashing with soap (HWWS). To better appreciate global HWWS frequency, which plays a role in disease transmission, our objectives were to: (i) quantify the presence of designated handwashing facilities; (ii) assess the association between handwashing facility presence and observed HWWS; and (iii) derive country, regional and global HWWS estimates after potential faecal contact.Methods: First, using data from national surveys, we applied multilevel linear modelling to estimate national handwashing facility presence. Second, using multilevel Poisson modelling on datasets including both handwashing facility presence and observed HWWS after potential faecal contact, we estimated HWWS prevalence conditional on handwashing facility presence by region. For high-income countries, we used meta-analysis to pool handwashing prevalence of studies identified through a systematic review. Third, from the modelled handwashing facility presence and estimated HWWS prevalence conditional on the presence of a handwashing facility, we estimated handwashing practice at country, regional and global levels.Results: First, approximately one in four persons did not have a designated handwashing facility in 2015, based on 115 data points for 77 countries. Second the prevalence ratio between HWWS when a designated facility was present compared with when it was absent was 1.99 (1.66, 2.39) P <0.001 for low- and middle-income countries, based on nine datasets. Third, we estimate that in 2015, 26.2% (23.1%, 29.6%) of potential faecal contacts were followed by HWWS.Conclusions: Many people lack a designated handwashing facility, but even among those with access, HWWS is poorly practised. People with access to designated handwashing facilities are about twice as likely to wash their hands with soap after potential faecal contact as people who lack a facility. Estimates are based on limited data. [ABSTRACT FROM AUTHOR]- Published
- 2019
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3. Environmental risks and non-communicable diseases.
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Prüss-Ustün, Annette, van Deventer, Emilie, Mudu, Pierpaolo, Campbell-Lendrum, Diarmid, Vickers, Carolyn, Ivanov, Ivan, Forastiere, Francesco, Gumy, Sophie, Dora, Carlos, Adair-Rohani, Heather, and Neira, Maria
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- 2019
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4. Data integration model for air quality: a hierarchical approach to the global estimation of exposures to ambient air pollution.
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Shaddick, Gavin, Thomas, Matthew L., Green, Amelia, Brauer, Michael, van Donkelaar, Aaron, Burnett, Rick, Chang, Howard H., Cohen, Aaron, Dingenen, Rita Van, Dora, Carlos, Gumy, Sophie, Liu, Yang, Martin, Randall, Waller, Lance A., West, Jason, Zidek, James V., and Prüss‐Ustün, Annette
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AIR pollution ,DATA integration ,DATABASE management ,AEROSOLS ,AIR pollutants - Abstract
Air pollution is a major risk factor for global health, with 3 million deaths annually being attributed to fine particulate matter ambient pollution (PM
2.5 ). The primary source of information for estimating population exposures to air pollution has been measurements from ground monitoring networks but, although coverage is increasing, regions remain in which monitoring is limited. The data integration model for air quality supplements ground monitoring data with information from other sources, such as satellite retrievals of aerosol optical depth and chemical transport models. Set within a Bayesian hierarchical modelling framework, the model allows spatially varying relationships between ground measurements and other factors that estimate air quality. The model is used to estimate exposures, together with associated measures of uncertainty, on a high resolution grid covering the entire world from which it is estimated that 92% of the world's population reside in areas exceeding the World Health Organization's air quality guidelines. [ABSTRACT FROM AUTHOR]- Published
- 2018
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5. Environmental risks and non-communicable diseases.
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Prüss-Ustün, Annette
- Published
- 2019
6. Have We Substantially Underestimated the Impact of Improved Sanitation Coverage on Child Health? A Generalized Additive Model Panel Analysis of Global Data on Child Mortality and Malnutrition.
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Hunter, Paul R. and Prüss-Ustün, Annette
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CHILDREN'S health ,SANITATION ,CHILD mortality ,MALNUTRITION in children ,DIARRHEA in children - Abstract
Background: Although widely accepted as being one of the most important public health advances of the past hundred years, the contribution that improving sanitation coverage can make to child health is still unclear, especially since the publication of two large studies of sanitation in India which found no effect on child morbidity. We hypothesis that the value of sanitation does not come directly from use of improved sanitation but from improving community coverage. If this is so we further hypothesise that the relationship between sanitation coverage and child health will be non-linear and that most of any health improvement will accrue as sanitation becomes universal. Methods: We report a fixed effects panel analysis of country level data using Generalized Additive Models in R. Outcome variables were under 5 childhood mortality, neonatal mortality, under 5 childhood mortality from diarrhoea, proportion of children under 5 with stunting and with underweight. Predictor variables were % coverage by improved sanitation, improved water source, Gross Domestic Product per capita and Health Expenditure per capita. We also identified three studies reporting incidence of diarrhoea in children under five alongside gains in community coverage in improved sanitation. Findings: For each of the five outcome variables, sanitation coverage was independently associated with the outcome but this association was highly non-linear. Improving sanitation coverage was very strongly associated with under 5 years diarrhoea mortality, under 5years all-cause mortality, and all-cause neonatal mortality. There was a decline as sanitation coverage increased up to about 20% but then no further decline was seen until about 70% (60% for diarrhoea mortality and 80% for neonatal mortality, respectively). The association was less strong for stunting and underweight but a threshold about 50% coverage was also seen. Three large trials of sanitation on diarrhoea morbidity gave results that were similar to what would have been predicted by our model. Conclusions: Improving sanitation coverage may be one of the more effective means to reduce childhood mortality, but only if high levels of community coverage are achieved. Studies of the impact of sanitation that focus on the individual’s use of improved sanitation as the predictor variable rather than community coverage is likely to severely underestimate the impact of sanitation. [ABSTRACT FROM AUTHOR]
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- 2016
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7. Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: systematic review and meta-regression.
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Wolf, Jennyfer, Prüss-Ustün, Annette, Cumming, Oliver, Bartram, Jamie, Bonjour, Sophie, Cairncross, Sandy, Clasen, Thomas, Colford Jr, John M, Curtis, Valerie, De France, Jennifer, Fewtrell, Lorna, Freeman, Matthew C, Gordon, Bruce, Hunter, Paul R, Jeandron, Aurelie, Johnston, Richard B, Mäusezahl, Daniel, Mathers, Colin, Neira, Maria, and Higgins, Julian P T
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Objective: To assess the impact of inadequate water and sanitation on diarrhoeal disease in low- and middle-income settings.Methods: The search strategy used Cochrane Library, MEDLINE & PubMed, Global Health, Embase and BIOSIS supplemented by screening of reference lists from previously published systematic reviews, to identify studies reporting on interventions examining the effect of drinking water and sanitation improvements in low- and middle-income settings published between 1970 and May 2013. Studies including randomised controlled trials, quasi-randomised trials with control group, observational studies using matching techniques and observational studies with a control group where the intervention was well defined were eligible. Risk of bias was assessed using a modified Ottawa-Newcastle scale. Study results were combined using meta-analysis and meta-regression to derive overall and intervention-specific risk estimates.Results: Of 6819 records identified for drinking water, 61 studies met the inclusion criteria, and of 12,515 records identified for sanitation, 11 studies were included. Overall, improvements in drinking water and sanitation were associated with decreased risks of diarrhoea. Specific improvements, such as the use of water filters, provision of high-quality piped water and sewer connections, were associated with greater reductions in diarrhoea compared with other interventions.Conclusions: The results show that inadequate water and sanitation are associated with considerable risks of diarrhoeal disease and that there are notable differences in illness reduction according to the type of improved water and sanitation implemented. [ABSTRACT FROM AUTHOR]- Published
- 2014
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8. Burden of disease from inadequate water, sanitation and hygiene in low- and middle-income settings: a retrospective analysis of data from 145 countries.
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Prüss‐Ustün, Annette, Bartram, Jamie, Clasen, Thomas, Colford, John M., Cumming, Oliver, Curtis, Valerie, Bonjour, Sophie, Dangour, Alan D., De France, Jennifer, Fewtrell, Lorna, Freeman, Matthew C., Gordon, Bruce, Hunter, Paul R., Johnston, Richard B., Mathers, Colin, Mäusezahl, Daniel, Medlicott, Kate, Neira, Maria, Stocks, Meredith, and Wolf, Jennyfer
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DIARRHEA ,SANITATION ,RETROSPECTIVE studies ,HAND care & hygiene ,WATERBORNE infection ,CONTAMINATION of drinking water - Abstract
Copyright of Tropical Medicine & International Health is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2014
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9. Systematic review: Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: systematic review and meta-regression.
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Wolf, Jennyfer, Prüss‐Ustün, Annette, Cumming, Oliver, Bartram, Jamie, Bonjour, Sophie, Cairncross, Sandy, Clasen, Thomas, Colford, John M., Curtis, Valerie, France, Jennifer, Fewtrell, Lorna, Freeman, Matthew C., Gordon, Bruce, Hunter, Paul R., Jeandron, Aurelie, Johnston, Richard B., Mäusezahl, Daniel, Mathers, Colin, Neira, Maria, and Higgins, Julian P. T.
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DIARRHEA ,SANITATION ,META-analysis ,DRINKING water ,REGRESSION analysis ,RANDOMIZED controlled trials ,WATER quality - Abstract
Copyright of Tropical Medicine & International Health is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2014
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10. Systematic review: Hygiene and health: systematic review of handwashing practices worldwide and update of health effects.
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Freeman, Matthew C., Stocks, Meredith E., Cumming, Oliver, Jeandron, Aurelie, Higgins, Julian P. T., Wolf, Jennyfer, Prüss‐Ustün, Annette, Bonjour, Sophie, Hunter, Paul R., Fewtrell, Lorna, and Curtis, Valerie
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HAND washing ,SOAP ,META-analysis ,HYGIENE ,DIARRHEA ,RANDOMIZED controlled trials - Abstract
Copyright of Tropical Medicine & International Health is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2014
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11. Global assessment of exposure to faecal contamination through drinking water based on a systematic review.
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Bain, Robert, Cronk, Ryan, Hossain, Rifat, Bonjour, Sophie, Onda, Kyle, Wright, Jim, Yang, Hong, Slaymaker, Tom, Hunter, Paul, Prüss‐Ustün, Annette, and Bartram, Jamie
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FECES ,META-analysis ,CONTAMINATION of drinking water ,ESCHERICHIA coli ,THERMAL tolerance (Physiology) ,WATER quality ,PREDICTION models - Abstract
Copyright of Tropical Medicine & International Health is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2014
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12. An Integrated Risk Function for Estimating the Global Burden of Disease Attributable to Ambient Fine Particulate Matter Exposure.
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Burnett, Richard T., Pope III, C. Arden, Ezzati, Majid, Olives, Casey, Lim, Stephen S., Mehta, Sumi, Shin, Hwashin H., Singh, Gitanjali, Hubbell, Bryan, Brauer, Michael, Anderson, H. Ross, Smith, Kirk R., Balmes, John R., Bruce, Nigel G., Kan, Haidong, Laden, Francine, Prüss-Ustün, Annette, Turner, Michelle C., Gapstur, Susan M., and Diver, W. Ryan
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DISEASE risk factors ,CONFIDENCE intervals ,DISEASES ,EPIDEMIOLOGY ,REGRESSION analysis ,DATA analysis ,PARTICULATE matter ,RELATIVE medical risk ,STATISTICAL models ,DESCRIPTIVE statistics - Abstract
BACKGROUND: Estimating the burden of disease attributable to long-term exposure to fine particulate matter (PM
2.5 ) in ambient air requires knowledge of both the shape and magnitude of the relative risk (RR) function. However, adequate direct evidence to identify the shape of the mortality RR functions at the high ambient concentrations observed in many places in the world is lacking. OBJECTIVE: We developed RR functions over the entire global exposure range for causes of mortality in adults: ischemic heart disease (IHD), cerebrovascular disease (stroke), chronic obstructive pulmonary disease (COPD), and lung cancer (LC). We also developed RR functions for the incidence of acute lower respiratory infection (ALRI) that can be used to estimate mortality and lost-years of healthy life in children < 5 years of age. METHODS: We fit an integrated exposure-response (IER) model by integrating available RR information from studies of ambient air pollution (AAP), second hand tobacco smoke, household solid cooking fuel, and active smoking (AS). AS exposures were converted to estimated annual PM2.5 exposure equivalents using inhaled doses of particle mass. We derived population attributable fractions (PAFs) for every country based on estimated worldwide ambient PM2.5 concentrations. Results: The IER model was a superior predictor of RR compared with seven other forms previously used in burden assessments. The percent PAF attributable to AAP exposure varied among countries from 2 to 41 for IHD, 1 to 43 for stroke, < 1 to 21 for COPD, < 1 to 25 for LC, and < 1 to 38 for ALRI. CONCLUSIONS: We developed a fine particulate mass-based RR model that covered the global range of exposure by integrating RR information from different combustion types that generate emissions of particulate matter. The model can be updated as new RR information becomes available. [ABSTRACT FROM AUTHOR]- Published
- 2014
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13. Solid Fuel Use for Household Cooking: Country and Regional Estimates for 1980-2010.
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Bonjour, Sophie, Adair-Rohani, Heather, Wolf, Jennyfer, Bruce, Nigel G., Mehta, Sumi, Prüss-Ustün, Annette, Lahiff, Maureen, Rehfuess, Eva A., Mishra, Vinod, and Smith, Kirk R.
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CONFIDENCE intervals ,COOKING ,INDOOR air pollution ,POPULATION geography ,POWER resources ,RESEARCH funding ,SECONDARY analysis ,DATA analysis software ,STATISTICAL models ,DESCRIPTIVE statistics - Abstract
Background: Exposure to household air pollution from cooking with solid fuels in simple stoves is a major health risk. Modeling reliable estimates of solid fuel use is needed for monitoring trends and informing policy. Objectives: In order to revise the disease burden attributed to household air pollution for the Global Burden of Disease 2010 project and for international reporting purposes, we estimated annual trends in the world population using solid fuels. Methods: We developed a multilevel model based on national survey data on primary cooking fuel. Results: The proportion of households relying mainly on solid fuels for cooking has decreased from 62% (95% CI: 58, 66%) to 41% (95% CI: 37, 44%) between 1980 and 2010. Yet because of population growth, the actual number of persons exposed has remained stable at around 2.8 billion during three decades. Solid fuel use is most prevalent in Africa and Southeast Asia where > 60% of households cook with solid fuels. In other regions, primary solid fuel use ranges from 46% in the Western Pacific, to 35% in the Eastern Mediterranean and < 20% in the Americas and Europe. Conclusion: Multilevel modeling is a suitable technique for deriving reliable solid-fuel use estimates. Worldwide, the proportion of households cooking mainly with solid fuels is decreasing. The absolute number of persons using solid fuels, however, has remained steady globally and is increasing in some regions. Surveys require enhancement to better capture the health implications of new technologies and multiple fuel use. [ABSTRACT FROM AUTHOR]
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- 2013
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14. HIV Due to Female Sex Work: Regional and Global Estimates
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Prüss-Ustün, Annette, Wolf, Jennyfer, Driscoll, Tim, Degenhardt, Louisa, Neira, Maria, and Calleja, Jesus Maria Garcia
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SEX workers ,HIV infection transmission ,POPULATION biology ,MEDICAL databases ,DRUG utilization - Abstract
Introduction: Female sex workers (FSWs) are at high risk of HIV infection. Our objective was to determine the proportion of HIV prevalence in the general female adult population that is attributable to the occupational exposure of female sex work, due to unprotected sexual intercourse. Methods: Population attributable fractions of HIV prevalence due to female sex work were estimated for 2011. A systematic search was conducted to retrieve required input data from available sources. Data gaps of HIV prevalence in FSWs for 2011 were filled using multilevel modeling and multivariate linear regression. The fraction of HIV attributable to female sex work was estimated as the excess HIV burden in FSWs deducting the HIV burden in FSWs due to injecting drug use. Results: An estimated fifteen percent of HIV in the general female adult population is attributable to (unsafe) female sex work. The region with the highest attributable fraction is Sub Saharan Africa, but the burden is also substantial for the Caribbean, Latin America and South and Southeast Asia. We estimate 106,000 deaths from HIV are a result of female sex work globally, 98,000 of which occur in Sub-Saharan Africa. If HIV prevalence in other population groups originating from sexual contact with FSWs had been considered, the overall attributable burden would probably be much larger. Discussion: Female sex work is an important contributor to HIV transmission and the global HIV burden. Effective HIV prevention measures exist and have been successfully targeted at key populations in many settings. These must be scaled up. Conclusion: FSWs suffer from high HIV burden and are a crucial core population for HIV transmission. Surveillance, prevention and treatment of HIV in FSWs should benefit both this often neglected vulnerable group and the general population. [ABSTRACT FROM AUTHOR]
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- 2013
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15. An exploration of multilevel modeling for estimating access to drinking-water and sanitation.
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Wolf, Jennyfer, Bonjour, Sophie, and Prüss-Ustün, Annette
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DRINKING water ,SANITATION ,WATER quality management ,WATER quality ,WATER pollution ,COMPOSITION of water - Abstract
Monitoring progress towards the targets for access to safe drinking-water and sanitation under the Millennium Development Goals (MDG) requires reliable estimates and indicators. We analyzed trends and reviewed current indicators used for those targets. We developed continuous time series for 1990 to 2015 for access to improved drinking-water sources and improved sanitation facilities by country using multilevel modeling (MLM). We show that MLM is a reliable and transparent tool with many advantages over alternative approaches to estimate access to facilities. Using current indicators, the MDG target for water would be met, but the target for sanitation missed considerably. The number of people without access to such services is still increasing in certain regions. Striking differences persist between urban and rural areas. Consideration of water quality and different classification of shared sanitation facilities would, however, alter estimates considerably. To achieve improved monitoring we propose: (1) considering the use of MLM as an alternative for estimating access to safe drinking-water and sanitation; (2) completing regular assessments of water quality and supporting the development of national regulatory frameworks as part of capacity development; (3) evaluating health impacts of shared sanitation; (4) using a more equitable presentation of countries' performances in providing improved services. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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16. Knowns and unknowns on burden of disease due to chemicals: a systematic review.
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Prüss-Ustün, Annette, Vickers, Carolyn, Haefliger, Pascal, and Bertollini, Roberto
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TOXICOLOGICAL chemistry ,PUBLIC health ,AIR pollution ,PESTICIDES ,SYSTEMATIC reviews - Abstract
Background: Continuous exposure to many chemicals, including through air, water, food, or other media and products results in health impacts which have been well assessed, however little is known about the total disease burden related to chemicals. This is important to know for overall policy actions and priorities. In this article the known burden related to selected chemicals or their mixtures, main data gaps, and the link to public health policy are reviewed. Methods: A systematic review of the literature for global burden of disease estimates from chemicals was conducted. Global disease due to chemicals was estimated using standard methodology of the Global Burden of Disease. Results: In total, 4.9 million deaths (8.3% of total) and 86 million Disability-Adjusted Life Years (DALYs) (5.7% of total) were attributable to environmental exposure and management of selected chemicals in 2004. The largest contributors include indoor smoke from solid fuel use, outdoor air pollution and second-hand smoke, with 2.0, 1.2 and 0.6 million deaths annually. These are followed by occupational particulates, chemicals involved in acute poisonings, and pesticides involved in self-poisonings, with 375,000, 240,000 and 186,000 annual deaths, respectively. Conclusions: The known burden due to chemicals is considerable. This information supports decision-making in programmes having a role to play in reducing human exposure to toxic chemicals. These figures present only a number of chemicals for which data are available, therefore, they are more likely an underestimate of the actual burden. Chemicals with known health effects, such as dioxins, cadmium, mercury or chronic exposure to pesticides could not be included in this article due to incomplete data and information. Effective public health interventions are known to manage chemicals and limit their public health impacts and should be implemented at national and international levels. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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17. Towards Climate Resilient and Environmentally Sustainable Health Care Facilities.
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Corvalan, Carlos, Villalobos Prats, Elena, Sena, Aderita, Campbell-Lendrum, Diarmid, Karliner, Josh, Risso, Antonella, Wilburn, Susan, Slotterback, Scott, Rathi, Megha, Stringer, Ruth, Berry, Peter, Edwards, Sally, Enright, Paddy, Hayter, Arabella, Howard, Guy, Lapitan, Jostacio, Montgomery, Margaret, Prüss-Ustün, Annette, Varangu, Linda, and Vinci, Salvatore
- Published
- 2020
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18. The implications of three major new trials for the effect of water, sanitation and hygiene on childhood diarrhea and stunting: a consensus statement.
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Cumming, Oliver, Arnold, Benjamin F, Ban, Radu, Clasen, Thomas, Esteves Mills, Joanna, Freeman, Matthew C, Gordon, Bruce, Guiteras, Raymond, Howard, Guy, Hunter, Paul R, Johnston, Richard B, Pickering, Amy J, Prendergast, Andrew J, Prüss-Ustün, Annette, Rosenboom, Jan Willem, Spears, Dean, Sundberg, Shelly, Wolf, Jennyfer, Null, Clair, and Luby, Stephen P
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NEW trials ,SANITATION ,CHILDREN ,HYGIENE ,DIARRHEA - Abstract
Background: Three large new trials of unprecedented scale and cost, which included novel factorial designs, have found no effect of basic water, sanitation and hygiene (WASH) interventions on childhood stunting, and only mixed effects on childhood diarrhea. Arriving at the inception of the United Nations' Sustainable Development Goals, and the bold new target of safely managed water, sanitation and hygiene for all by 2030, these results warrant the attention of researchers, policy-makers and practitioners.Main Body: Here we report the conclusions of an expert meeting convened by the World Health Organization and the Bill and Melinda Gates Foundation to discuss these findings, and present five key consensus messages as a basis for wider discussion and debate in the WASH and nutrition sectors. We judge these trials to have high internal validity, constituting good evidence that these specific interventions had no effect on childhood linear growth, and mixed effects on childhood diarrhea. These results suggest that, in settings such as these, more comprehensive or ambitious WASH interventions may be needed to achieve a major impact on child health.Conclusion: These results are important because such basic interventions are often deployed in low-income rural settings with the expectation of improving child health, although this is rarely the sole justification. Our view is that these three new trials do not show that WASH in general cannot influence child linear growth, but they do demonstrate that these specific interventions had no influence in settings where stunting remains an important public health challenge. We support a call for transformative WASH, in so much as it encapsulates the guiding principle that - in any context - a comprehensive package of WASH interventions is needed that is tailored to address the local exposure landscape and enteric disease burden. [ABSTRACT FROM AUTHOR]- Published
- 2019
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19. Retraction: Have We Substantially Underestimated the Impact of Improved Sanitation Coverage on Child Health? A Generalized Additive Model Panel Analysis of Global Data on Child Mortality and Malnutrition.
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Hunter, Paul R. and Prüss-Ustün, Annette
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SANITATION ,CHILDREN'S health ,MALNUTRITION - Published
- 2017
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20. The impact of the environment on health by country: a meta-synthesis.
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Prüss-Ustün A, Bonjour S, Corvalán C, Prüss-Ustün, Annette, Bonjour, Sophie, and Corvalán, Carlos
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Background: Health gains that environmental interventions could achieve are main questions when choosing environmental health action to prevent disease. The World Health Organization has recently released profiles of environmental burden of disease for 192 countries.Methods: These country profiles provide an estimate of the health impacts from the three major risk factors 'unsafe water, sanitation & hygiene', 'indoor air pollution from solid fuel use' and 'outdoor air pollution'. The profiles also provide an estimate of preventable health impacts by the environment as a whole. While the estimates for the three risk factors are based on country exposures, the estimates of health gains for total environmental improvements are based on a review of the literature supplemented by expert opinion and combined with country health statistics.Results: Between 13% and 37% of the countries' disease burden could be prevented by environmental improvements, resulting globally in about 13 million deaths per year. It is estimated that about four million of these could be prevented by improving water, sanitation and hygiene, and indoor and outdoor air alone. The number of environmental DALYs per 1000 capita per year ranges between 14 and 316 according to the country. An analysis by disease group points to main preventions opportunities for each country.Conclusion: Notwithstanding the uncertainties in their calculation, these estimates provide an overview of opportunities for prevention through healthier environments. The estimates show that for similar national incomes, the environmental burden of disease can typically vary by a factor five. This analysis also shows that safer water, sanitation and hygiene, and safer fuels for cooking could significantly reduce child mortality, namely by more than 25% in 20 of the lowest income countries. [ABSTRACT FROM AUTHOR]- Published
- 2008
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