Journal ArticleDOI
Modeling approaches and performance for estimating personal exposure to household air pollution: A case study in Kenya
Michael Johnson,Ricardo Piedrahita,Ajay Pillarisetti,Matthew Shupler,Diana Menya,Madeleine Rossanese,Samantha Delapena,Neeraja Penumetcha,Ryan Chartier,Elisa Puzzolo,Daniel Pope +10 more
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In this paper, the authors assessed the performance of modeling approaches to estimate personal exposure in Kenyan homes where cooking fuel combustion contributes substantially to household air pollution (HAP). And they applied various modeling approaches: a single-zone model, indirect exposure models, which combine person-location and area-level measurements; and predictive statistical models, including standard linear regression and ensemble machine learning approaches based on a set of predictors such as fuel type, room volume, and others.Abstract:
This study assessed the performance of modeling approaches to estimate personal exposure in Kenyan homes where cooking fuel combustion contributes substantially to household air pollution (HAP). We measured emissions (PM2.5 , black carbon, CO); household air pollution (PM2.5 , CO); personal exposure (PM2.5 , CO); stove use; and behavioral, socioeconomic, and household environmental characteristics (eg, ventilation and kitchen volume). We then applied various modeling approaches: a single-zone model; indirect exposure models, which combine person-location and area-level measurements; and predictive statistical models, including standard linear regression and ensemble machine learning approaches based on a set of predictors such as fuel type, room volume, and others. The single-zone model was reasonably well-correlated with measured kitchen concentrations of PM2.5 (R2 = 0.45) and CO (R2 = 0.45), but lacked precision. The best performing regression model used a combination of survey-based data and physical measurements (R2 = 0.76) and a root mean-squared error of 85 µg/m3 , and the survey-only-based regression model was able to predict PM2.5 exposures with an R2 of 0.51. Of the machine learning algorithms evaluated, extreme gradient boosting performed best, with an R2 of 0.57 and RMSE of 98 µg/m3 .read more
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Are cleaner cooking solutions clean enough? A systematic review and meta-analysis of particulate and carbon monoxide concentrations and exposures
Daniel Pope,Michael Johnson,Nigel Fleeman,Kirstie Jagoe,Rui V. Duarte,Michelle Maden,Ramona Ludolph,Nigel Bruce,Matthew Shupler,Heather Adair-Rohani,Jessica Lewis +10 more
Journal ArticleDOI
Microfinance for clean cooking: What lessons can be learned for scaling up LPG adoption in Kenya through managed loans?
TL;DR: In this paper, the authors evaluated a pilot micro-finance initiative in Kenya to help low-income rural households access liquefied petroleum gas (LPG) for cooking.
Journal ArticleDOI
Health and environmental impacts of replacing kerosene-based lighting with renewable electricity in East Africa
Natalia Ortega,Ariadna Curto,Asya Dimitrova,Jovito Nunes,Davide Rasella,Charfudin Sacoor,Cathryn Tonne +6 more
TL;DR: In this article, the authors used comparative risk assessment methods to quantify the ischemic heart disease, stroke, lung cancer, chronic obstructive pulmonary disease, and lower respiratory infection-related morbidity and mortality attributable to personal fine particulate matter (PM2.5) exposure due to kerosene-based lighting for residents of East Africa in 2015.
Journal ArticleDOI
Exposure Contrasts of Pregnant Women during the Household Air Pollution Intervention Network Randomized Controlled Trial.
TL;DR: In this article , exposure reductions achieved by a liquified petroleum gas stove and fuel intervention for pregnant mothers in the Household Air Pollution Intervention Network (HAPIN) randomized controlled trial were reported.
Posted ContentDOI
Exposure contrasts of pregnant women during the Household Air Pollution Intervention Network randomized controlled trial
Marvin Johnson,Ajay Pillarisetti,Ricardo Piedrahita,Kalpana Balakrishnan,Jennifer L. Peel,Kyle Steenland,Lindsay J. Underhill,Ghislaine Rosa,Miles A. Kirby,Anaite Diaz-Artiga,John P. McCracken,Maggie L. Clark,Lance A. Waller,Howard H. Chang,Jiantong Wang,Ephrem Dusabimana,Florien Ndagijimana,Sankar Sambandam,Krishnendu Mukhopadhyay,Katherine Kearns,Devan Campbell,Jacob Kremer,Joshua P. Rosenthal,William Checkley,Thomas Clasen,Luke P. Naeher +25 more
TL;DR: In this article, exposure reductions achieved by a liquified petroleum gas stove and fuel intervention for pregnant mothers in the Household Air Pollution Intervention Network (HAPIN) randomized controlled trial were reported.
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Serre,Edson Serván-Mori,Seyedmojtaba Seyedmousavi,Hosein Shabaninejad,Gavin Shaddick,Azadeh Shafieesabet,Mehdi Shahbazi,Amira Shaheen,Masood Ali Shaikh,Teresa Shamah Levy,Mehran Shams-Beyranvand,MohammadBagher Shamsi,Heidar Sharafi,Kiomars Sharafi,Mehdi Sharif,Mahdi Sharif-Alhoseini,Hamid Sharifi,Jayendra Sharma,Meenakshi Sharma,Rajesh Sharma,Jun She,Aziz Sheikh,Peilin Shi,Kenji Shibuya,Mekonnen Sisay Shiferaw,Mika Shigematsu,Min-Jeong Shin,Rahman Shiri,Reza Shirkoohi,Ivy Shiue,Farhad Shokraneh,Haitham Shoman,Mark G. Shrime,Matthew Shupler,Si Si,Soraya Siabani,Abla M. Sibai,Tariq Jamal Siddiqi,Inga Dora Sigfusdottir,Rannveig Sigurvinsdottir,Diego Augusto Santos Silva,João Pedro Silva,Dayane Gabriele Alves Silveira,Jasvinder A. Singh,Narinder Pal Singh,Virendra Singh,Dhirendra N Sinha,Eirini Skiadaresi,Vegard Skirbekk,David L. Smith,Mari Smith,Badr Hasan Sobaih,Soheila Sobhani,Ranjani Somayaji,Moslem Soofi,Reed J D Sorensen,Joan B. Soriano,Ireneous N. Soyiri,Angela Spinelli,Luciano A. Sposato,Chandrashekhar T Sreeramareddy,Vinay Srinivasan,Vladimir I. Starodubov,Nadine Steckling,Dan J. Stein,Murray B. Stein,Goran Stevanovic,Leo Stockfelt,Mark A. Stokes,Lela Sturua,Michelle L Subart,Agus Sudaryanto,Mu'awiyyah Babale Sufiyan,Gerhard Sulo,Bruno F. Sunguya,Patrick J Sur,Bryan L. Sykes,Cassandra Szoeke,Rafael Tabarés-Seisdedos,Takahiro Tabuchi,Santosh Kumar Tadakamadla,Ken Takahashi,Nikhil Tandon,Segen Gebremeskel Tassew,Mohammad Tavakkoli,Nuno Taveira,Arash Tehrani-Banihashemi,Tigist Gashaw Tekalign,Shishay Wahdey Tekelemedhin,Merhawi Gebremedhin Tekle,Habtamu Temesgen,Mohamad-Hani Temsah,Omar Temsah,Abdullah Sulieman Terkawi,Belay Tessema,Mebrahtu Teweldemedhin,Kavumpurathu Raman Thankappan,Andrew Theis,Sathish Thirunavukkarasu,Hannah J. Thomas,Matthew L. Thomas,Nihal Thomas,George D. Thurston,Binyam Tilahun,Taavi Tillmann,Quyen G. To,Myriam Tobollik,Marcello Tonelli,Roman Topor-Madry,Anna E. Torre,Miguel Tortajada-Girbés,Mathilde Touvier,Marcos Roberto Tovani-Palone,Jeffrey A. Towbin,Bach Xuan Tran,Khanh Bao Tran,Thomas Truelsen,Nu Thi Truong,Afewerki Gebremeskel Tsadik,Lorainne Tudor Car,E. Murat Tuzcu,Hayley D. Tymeson,Stefanos Tyrovolas,Kingsley N. Ukwaja,Irfan Ullah,Rachel L Updike,Muhammad Usman,Olalekan A. Uthman,Muthiah Vaduganathan,Afsane Vaezi,Pascual R. Valdez,Aaron van Donkelaar,Elena Varavikova,Santosh Varughese,Tommi Vasankari,Vidhya Venkateswaran,Narayanaswamy Venketasubramanian,Santos Villafaina,Francesco Saverio Violante,Sergey K Vladimirov,Vasily Vlassov,Stein Emil Vollset,Theo Vos,Kia Vosoughi,Giang Thu Vu,Isidora S. Vujcic,Fasil Wagnew,Yasir Waheed,Stephen G. Waller,Judd L. Walson,Yafeng Wang,Yanping Wang,Yuan-Pang Wang,Elisabete Weiderpass,Robert G. Weintraub,Fitsum Weldegebreal,Andrea Werdecker,Adhena Ayaliew Werkneh,J. Jason West,Ronny Westerman,Harvey Whiteford,Justyna Widecka,Tissa Wijeratne,Andrea Sylvia Winkler,Alison B. Wiyeh,Charles Shey Wiysonge,Charles D.A. Wolfe,Tien Yin Wong,Shouling Wu,Denis Xavier,Gelin Xu,Simon Yadgir,Ali Yadollahpour,Seyed Hossein Yahyazadeh Jabbari,Tomohide Yamada,Lijing L. Yan,Yuichiro Yano,Mehdi Yaseri,Yasin Jemal Yasin,Alex Yeshaneh,Ebrahim M Yimer,Paul S. F. Yip,Engida Yisma,Naohiro Yonemoto,Seok Jun Yoon,Marcel Yotebieng,Mustafa Z. Younis,Mahmoud Yousefifard,Chuanhua Yu,Zoubida Zaidi,Sojib Bin Zaman,Mohammad Zamani,Luis Zavala-Arciniega,Anthony Lin Zhang,Hao Zhang,Kai Zhang,Maigeng Zhou,Stephanie R M Zimsen,Sanjay Zodpey,Christopher J L Murray +1053 more
TL;DR: This study estimated levels and trends in exposure, attributable deaths, and attributable disability-adjusted life-years (DALYs) by age group, sex, year, and location for 84 behavioural, environmental and occupational, and metabolic risks or groups of risks from 1990 to 2017 and explored the relationship between development and risk exposure.
Journal ArticleDOI
Constructing socio-economic status indices: how to use principal components analysis.
Seema Vyas,Lilani Kumaranayake +1 more
TL;DR: How PCA-based indices are constructed, how they can be used, and their validity and limitations are reviewed, and issues related to choice of variables, data preparation and problems such as data clustering are addressed.
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Methods for the determination of limit of detection and limit of quantitation of the analytical methods
TL;DR: The presented review provides information relating to the calculation of the limit of detection and limit of quantitation.
Journal ArticleDOI
Solid fuel use for household cooking: country and regional estimates for 1980-2010.
Sophie Bonjour,Heather Adair-Rohani,Jennyfer Wolf,Nigel Bruce,Sumi Mehta,Annette Prüss-Ustün,Maureen Lahiff,Eva Rehfuess,Vinod Mishra,Kirk R. Smith +9 more
TL;DR: Worldwide, the proportion of households cooking mainly with solid fuels is decreasing and the absolute number of persons using solid fuels, however, has remained steady globally and is increasing in some regions.
Journal ArticleDOI
Millions Dead: How Do We Know and What Does It Mean? Methods Used in the Comparative Risk Assessment of Household Air Pollution
Kirk R. Smith,Nigel Bruce,Kalpana Balakrishnan,Heather Adair-Rohani,John R. Balmes,John R. Balmes,Zoë Chafe,Mukesh Dherani,H. Dean Hosgood,Sumi Mehta,Daniel Pope,Eva Rehfuess +11 more
TL;DR: It is estimated that in 2010 HAP was responsible for 3.9 million premature deaths and ∼4.8% of lost healthy life years (DALYs), ranking it highest among environmental risk factors examined and one of the major risk factors of any type globally.