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Journal of Exposure Science & Environmental Epidemiology

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https://www.readbyqxmd.com/read/28000687/long-term-recall-accuracy-for-mobile-phone-calls-in-young-japanese-people-a-follow-up-validation-study-using-software-modified-phones
#1
Kosuke Kiyohara, Kanako Wake, Soichi Watanabe, Takuji Arima, Yasuto Sato, Noriko Kojimahara, Masao Taki, Elisabeth Cardis, Naohito Yamaguchi
This study examined changes in recall accuracy for mobile phone calls over a long period. Japanese students' actual call statuses were monitored for 1 month using software-modified phones (SMPs). Three face-to-face interviews were conducted to obtain information regarding self-reported call status during the monitoring period: first interview: immediately after the monitoring period; second interview: after 10-12 months; third interview: after 48-55 months. Using the SMP records as the "gold standard", phone call recall accuracy was assessed for each interview...
December 21, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/28000686/an-accurate-filter-loading-correction-is-essential-for-assessing-personal-exposure-to-black-carbon-using-an-aethalometer
#2
Nicholas Good, Anna Mölter, Jennifer L Peel, John Volckens
The AE51 micro-Aethalometer (microAeth) is a popular and useful tool for assessing personal exposure to particulate black carbon (BC). However, few users of the AE51 are aware that its measurements are biased low (by up to 70%) due to the accumulation of BC on the filter substrate over time; previous studies of personal black carbon exposure are likely to have suffered from this bias. Although methods to correct for bias in micro-Aethalometer measurements of particulate black carbon have been proposed, these methods have not been verified in the context of personal exposure assessment...
December 21, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/28000685/update-on-dietary-intake-of-perchlorate-and-iodine-from-u-s-food-and-drug-administration-s-total-diet-study-2008-2012
#3
Eileen Abt, Judith Spungen, Régis Pouillot, Margaret Gamalo-Siebers, Mark Wirtz
The U.S. Food and Drug Administration's (FDA) Total Diet Study (TDS) monitors the US food supply for pesticide residues, industrial chemicals, radionuclides, nutrients, and toxic elements. Perchlorate and iodine intakes based on concentrations in TDS samples collected between 2008 and 2012 were estimated in order to update an earlier TDS dietary assessment. Perchlorate is used as an oxidizing agent in rocket and missile fuel, is formed naturally in the atmosphere, and occurs naturally in some soils. Because of perchlorate's presence in soil, and in irrigation, processing, and source water, it is widely found in food...
December 21, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/28000684/levels-and-determinants-of-tree-pollen-in-new-york-city
#4
Kate R Weinberger, Patrick L Kinney, Guy S Robinson, Daniel Sheehan, Iyad Kheirbek, Thomas D Matte, Gina S Lovasi
Exposure to allergenic tree pollen is a risk factor for multiple allergic disease outcomes. Little is known about how tree pollen levels vary within cities and whether such variation affects the development or exacerbation of allergic disease. Accordingly, we collected integrated pollen samples at uniform height at 45 sites across New York City during the 2013 pollen season. We used these monitoring results in combination with adjacent land use data to develop a land use regression model for tree pollen. We evaluated four types of land use variables for inclusion in the model: tree canopy, distributed building height (a measure of building volume density), elevation, and distance to water...
December 21, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/28000683/elemental-analysis-of-infant-airborne-particulate-exposures
#5
Chantel D Sloan, Frank X Weber, Rebecca K Bradshaw, Tyler J Philipp, W Bradford Barber, Vanessa L Palmer, Robert J Graul, Steven C Tuttle, Ryan T Chartier, James D Johnston
Air pollution is hypothesized to have negative impacts on infant pulmonary health because of infants' increased rates of respiration and ongoing lung development. The severity and type of impact may differ depending on elemental concentrations. We conducted a study of 21 infants <6 months old whose parents carried a small personal particulate monitoring device (RTI MicroPEM) and GPS unit with the infant for 7 days in January and February 2015. The study area was Utah County, UT, USA. Real-time particulate exposure levels, as well as optical density and elemental analysis of the particulate matter (PM), were compared with levels from an outdoor stationary monitor...
December 21, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966670/pyrethroid-insecticides-and-their-environmental-degradates-in-repeated-duplicate-diet-solid-food-samples-of-50-adults
#6
Marsha K Morgan, Denise K MacMillan, Dan Zehr, Jon R Sobus
Previous research has reported concurrent levels of pyrethroid insecticides and their environmental degradates in foods. These data raise concerns about using these same pyrethroid degradates found in the diet as urinary biomarkers of exposures in humans. The primary objective was to quantify levels of selected pyrethroids and their environmental degradates in duplicate-diet solid food samples of 50 adults over a six-week monitoring period. The study was conducted at the US EPA's Human Studies Facility in North Carolina and at participants' residences in 2009-2011...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966669/asthma-diagnosis-in-a-child-and-cessation-of-smoking-in-the-child-s-home-the-piama-birth-cohort
#7
Alet H Wijga, Maarten Schipper, Bert Brunekreef, Gerard H Koppelman, Ulrike Gehring
Second hand smoke (SHS) exposure is associated with increased incidence and severity of childhood asthma. We investigated whether, in turn, asthma diagnosis in a child is associated with cessation of smoking exposure in the child's home. In the PIAMA birth cohort (n=3963), parents reported on smoking in their home and on asthma diagnosis in their child, annually from birth to 8 years. We used generalized estimating equations to assess the association between asthma diagnosis in a child and cessation of smoking in the child's home...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966668/predictors-of-polycyclic-aromatic-hydrocarbon-exposure-and-internal-dose-in-inner-city-baltimore-children
#8
Kamau O Peters, D' Ann L Williams, Salahadin Abubaker, Jean Curtin-Brosnan, Meredith C McCormack, Roger Peng, Patrick N Breysse, Elizabeth C Matsui, Nadia N Hansel, Gregory B Diette, Paul T Strickland
Polycyclic aromatic hydrocarbons (PAHs), the by-products of incomplete combustion of organic materials, are commonly found on particulate matter (PM) and have been associated with the development of asthma and asthma exacerbation in urban populations. We examined time spent in the home and outdoors as predictors of exposures to airborne PAHs and measured urinary 1-hydroxypyrene-glucuronide (1-OHPG) as internal dose of PAHs in 118 children aged 5-12 years from Baltimore, MD. During weeklong periods (Saturday-Saturday) in each of four seasons: daily activities were assessed using questionnaires, indoor air nicotine and PM concentrations were monitored, and urine specimens were collected on Tuesday (day 3) and Saturday (day 7) for measurement of 1-OHPG...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966667/arsenic-levels-in-cutaneous-appendicular-organs-are-correlated-with-digitally-evaluated-hyperpigmented-skin-of-the-forehead-but-not-the-sole-in-bangladesh-residents
#9
Ichiro Yajima, Nazmul Ahsan, Anwarul Azim Akhand, Mm Aeorangajeb Al Hossain, Masafumi Yoshinaga, Nobutaka Ohgami, Machiko Iida, Reina Oshino, Mariko Naito, Kenji Wakai, Masashi Kato
There has been no report showing the effect of arsenic level on digitized skin pigmentation level, a typical diagnostic marker for arsenicosis. Correlations among history of drinking well water, arsenic levels in hair and toenails, and digitalized skin pigmentation levels (L*-value) in sunlight-exposed (forehead) and unexposed (sole) skin areas digitally evaluated by using a reflectance spectrophotometer were examined in 150 residents of Bangladesh. Univariate analysis showed that arsenic levels in hair and toenails of subjects with a history of drinking well water were 10...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966666/measurement-error-in-mobile-source-air-pollution-exposure-estimates-due-to-residential-mobility-during-pregnancy
#10
Audrey Flak Pennington, Matthew J Strickland, Mitchel Klein, Xinxin Zhai, Armistead G Russell, Craig Hansen, Lyndsey A Darrow
Prenatal air pollution exposure is frequently estimated using maternal residential location at the time of delivery as a proxy for residence during pregnancy. We describe residential mobility during pregnancy among 19,951 children from the Kaiser Air Pollution and Pediatric Asthma Study, quantify measurement error in spatially resolved estimates of prenatal exposure to mobile source fine particulate matter (PM2.5) due to ignoring this mobility, and simulate the impact of this error on estimates of epidemiologic associations...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966665/estimation-of-personal-exposure-to-asbestos-of-brake-repair-workers
#11
María Fernanda Cely-García, Frank C Curriero, Mauricio Sánchez-Silva, Patrick N Breysse, Margarita Giraldo, Lorena Méndez, Carlos Torres-Duque, Mauricio Durán, Mauricio González-García, Patricia Parada, Juan Pablo Ramos-Bonilla
Exposure assessments are key tools to conduct epidemiological studies. Since 2010, 28 riveters from 18 brake repair shops with different characteristics and workloads were sampled for asbestos exposure in Bogotá, Colombia. Short-term personal samples collected during manipulation activities of brake products, and personal samples collected during non-manipulation activities were used to calculate 103 8-h TWA PCM-equivalent personal asbestos concentrations. The aims of this study are to identify exposure determinant variables associated with the 8-h TWA personal asbestos concentrations among brake mechanics, and propose different models to estimate potential asbestos exposure of brake mechanics in an 8-h work-shift...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27966664/maternal-fetal-metabolomes-appear-to-mediate-the-impact-of-arsenic-exposure-on-birth-weight-a-pilot-study
#12
Yongyue Wei, Qianwen Shi, Zhaoxi Wang, Ruyang Zhang, Li Su, Quazi Quamruzzaman, Mahmuder Rahman, Feng Chen, David C Christiani
Arsenic exposure has been associated with low birth weight. However, the underlying mechanisms are not well understood. Alterations to metabolites may act as causal mediators of the effect of arsenic exposure on low birth weight. This pilot study aimed to explore the role of metabolites in mediating the association of arsenic exposure on infant birth weight. Study samples were selected from a well-established prospectively enrolled cohort in Bangladesh comprising 35 newborns and a subset of 20 matched mothers...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27924817/in-vitro-human-epidermal-permeation-of-nicotine-from-electronic-cigarette-refill-liquids-and-implications-for-dermal-exposure-assessment
#13
H Frederick Frasch, Ana M Barbero
Nicotine plus flavorings in a propylene glycol (PG) vehicle are the components of electronic cigarette liquids (e-liquids), which are vaporized and inhaled by the user. Dermal exposure to nicotine and e-liquids may occur among workers in mixing and filling of e-cigarettes in the manufacturing process. Inadvertent skin contact among consumers is also a concern. In vitro nicotine permeation studies using heat-separated human epidermis were performed with surrogate and two commercial e-liquids, neat and aqueous nicotine donor formulations...
December 7, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27924816/an-analysis-of-human-exposure-to-trace-elements-from-deliberate-soil-ingestion-and-associated-health-risks
#14
Veronica M Ngole-Jeme, Georges-Ive E Ekosse, Sandile P Songca
Fifty-seven samples of soils commonly ingested in South Africa, Swaziland, Democratic Republic of Congo (DRC), and Togo were analyzed for the concentrations of arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), lead (Pb), manganese (Mn), nickel (Ni), and zinc (Zn) and their bioaccessibility in the human gastrointestinal tract. Bioaccessibility values were used to calculate daily intake, and hazard quotient of each trace element, and chronic hazard index (CHI) of each sample. Carcinogenic risk associated with As and Ni exposure were also calculated...
December 7, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27901017/daily-intake-and-hazard-index-of-parabens-based-upon-24%C3%A2-h-urine-samples-of-the-german-environmental-specimen-bank-from-1995-to-2012
#15
Rebecca K Moos, Petra Apel, Christa Schröter-Kermani, Marike Kolossa-Gehring, Thomas Brüning, Holger M Koch
In recent years, exposure to parabens has become more of a concern because of evidence of ubiquitous exposure in the general population, combined with evidence of their potency as endocrine disruptors. New human metabolism data from oral exposure experiments enable us to back calculate daily paraben intakes from urinary paraben levels. We report daily intakes (DIs) for six parabens based on 660 24 h urine samples from the German Environmental Specimen Bank collected between 1995 and 2012. Median DI values ranged between 1...
November 30, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27901016/relationships-between-arsenic-concentrations-in-drinking-water-and-lung-and-bladder-cancer-incidence-in-u-s-counties
#16
William M Mendez, Sorina Eftim, Jonathan Cohen, Isaac Warren, John Cowden, Janice S Lee, Reeder Sams
Increased risks of lung and bladder cancer have been observed in populations exposed to high levels of inorganic arsenic. However, studies at lower exposures (i.e., less than 100 μg/l in water) have shown inconsistent results. We therefore conducted an ecological analysis of the association between historical drinking water arsenic concentrations and lung and bladder cancer incidence in U.S. counties. We used drinking water arsenic concentrations measured by the U.S. Geological Survey and state agencies in the 1980s and 1990s as proxies for historical exposures in counties where public groundwater systems and private wells are important sources of drinking water...
November 30, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27848934/considering-spatial-heterogeneity-in-the-distributed-lag-non-linear-model-when-analyzing-spatiotemporal-data
#17
Lung-Chang Chien, Yuming Guo, Xiao Li, Hwa-Lung Yu
The distributed lag non-linear (DLNM) model has been frequently used in time series environmental health research. However, its functionality for assessing spatial heterogeneity is still restricted, especially in analyzing spatiotemporal data. This study proposed a solution to take a spatial function into account in the DLNM, and compared the influence with and without considering spatial heterogeneity in a case study. This research applied the DLNM to investigate non-linear lag effect up to 7 days in a case study about the spatiotemporal impact of fine particulate matter (PM2...
November 16, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27827378/development-of-a-source-exposure-matrix-for-occupational-exposure-assessment-of-electromagnetic-fields-in-the-interocc-study
#18
Javier Vila, Joseph D Bowman, Jordi Figuerola, David Moriña, Laurel Kincl, Lesley Richardson, Elisabeth Cardis
To estimate occupational exposures to electromagnetic fields (EMF) for the INTEROCC study, a database of source-based measurements extracted from published and unpublished literature resources had been previously constructed. The aim of the current work was to summarize these measurements into a source-exposure matrix (SEM), accounting for their quality and relevance. A novel methodology for combining available measurements was developed, based on order statistics and log-normal distribution characteristics...
November 9, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27827377/exposure-of-children-to-extremely-low-frequency-magnetic-fields-in-france-results-of-the-expers-study
#19
Isabelle Magne, Martine Souques, Isabelle Bureau, Anne Duburcq, Emmanuel Remy, Jacques Lambrozo
The assessment of magnetic field exposure in children is an important point in the context of epidemiological issues. EXPERS is the first study ever carried out measuring personal exposure to extremely low frequency magnetic fields at a national scale, involving 977 French children with 24 h personal measurements. Descriptive statistical analyses were performed for all the children, and only for children where no alarm clock was identified, as in some cases this requirement of the measurement protocol was not respected...
November 9, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27805624/hourly-peak-pm2-5-concentration-associated-with-increased-cardiovascular-mortality-in-guangzhou-china
#20
Hualiang Lin, Tao Liu, Jianpeng Xiao, Weilin Zeng, Lingchuan Guo, Xing Li, Yanjun Xu, Yonghui Zhang, Jen Jen Chang, Michael G Vaughn, Zhengmin Min Qian, Wenjun Ma
Hourly peak concentration may capture health effects of ambient fine particulate matter pollution (PM2.5) better than daily averages. We examined the associations of hourly peak concentration of PM2.5 with cardiovascular mortality in Guangzhou, China. We obtained daily data on cardiovascular mortality and hourly PM2.5 concentrations in Guangzhou from 19 January 2013 through 30 June 2015. Generalized additive models were applied to evaluate the associations with adjustment for potential confounding factors. Significant associations were found between hourly peak concentrations of PM2...
November 2, 2016: Journal of Exposure Science & Environmental Epidemiology
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