Search results for: Jennifer L. Peel

Items from 1 to 20 out of 20 results

article

Infinite hidden Markov models for multiple multivariate time series with missing data

Lauren Hoskovec, Matthew D. Koslovsky, Kirsten Koehler, Nicholas Good, more

Biometrics > 79 > 3 > 2592 - 2604

Exposure to air pollution is associated with increased morbidity and mortality. Recent technological advancements permit the collection of time‐resolved personal exposure data. Such data are often incomplete with missing observations and exposures below the limit of detection, which limit their use in health effects studies. In this paper, we develop an infinite hidden Markov model for multiple asynchronous...

article

Comparison of next‐generation portable pollution monitors to measure exposure to PM_2.5 from household air pollution in Puno, Peru

Vanessa J. Burrowes, Ricardo Piedrahita, Ajay Pillarisetti, Lindsay J. Underhill, more

Indoor Air > 30 > 3 > 445 - 458

Assessment of personal exposure to PM_2.5 is critical for understanding intervention effectiveness and exposure‐response relationships in household air pollution studies. In this pilot study, we compared PM_2.5 concentrations obtained from two next‐generation personal exposure monitors (the Enhanced Children MicroPEM or ECM; and the Ultrasonic Personal Air Sampler or UPAS) to those obtained with a traditional...

article

C‐reactive protein from dried blood spots: Application to household air pollution field studies

Bonnie N. Young, Jennifer L. Peel, Tracy L. Nelson, Annette M. Bachand, more

Indoor Air > 30 > 1 > 24 - 30

Household air pollution (HAP) is estimated to be an important risk factor for cardiovascular disease, but little clinical evidence exists and collecting biomarkers of disease risk is difficult in low‐resource settings. Among 54 Nicaraguan women with woodburning cookstoves, we evaluated cross‐sectional associations between 48‐hour measures of HAP (eg, fine particulate matter, PM_2.5) and C‐reactive...

article

Study protocol for a stepped-wedge randomized cookstove intervention in rural Honduras: household air pollution and cardiometabolic health

Bonnie N. Young, Jennifer L. Peel, Megan L. Benka-Coker, Sarah Rajkumar, more

BMC Public Health > 2019 > 19 > 1 > 1-15

Background Growing evidence links household air pollution exposure from biomass-burning cookstoves to cardiometabolic disease risk. Few randomized controlled interventions of cookstoves (biomass or otherwise) have quantitatively characterized changes in exposure and indicators of cardiometabolic health, a growing and understudied burden in low- and middle-income countries (LMICs). Ideally, the solution...

article

The Fort Collins commuter study: Variability in personal exposure to air pollutants by microenvironment

Kirsten Koehler, Nicholas Good, Ander Wilson, Anna Mölter, more

Indoor Air > 29 > 2 > 231 - 241

This study investigated the role of microenvironment on personal exposures to black carbon (BC), fine particulate mass (PM_2.5), carbon monoxide (CO), and particle number concentration (PNC) among adult residents of Fort Collins, Colorado, USA. Forty‐four participants carried a backpack containing personal monitoring instruments for eight nonconsecutive 24‐hour periods. Exposures were apportioned into...

article

Exposure to household air pollution from biomass cookstoves and blood pressure among women in rural Honduras: A cross‐sectional study

Bonnie N. Young, Maggie L. Clark, Sarah Rajkumar, Megan L. Benka‐Coker, more

Indoor Air > 29 > 1 > 130 - 142

Growing evidence links household air pollution exposure from biomass cookstoves with elevated blood pressure. We assessed cross‐sectional associations of 24‐hour mean concentrations of personal and kitchen fine particulate matter (PM_2.5), black carbon (BC), and stove type with blood pressure, adjusting for confounders, among 147 women using traditional or cleaner‐burning Justa stoves in Honduras....

article

Erratum to: The short-term association of selected components of fine particulate matter and mortality in the Denver Aerosol Sources and Health (DASH) study

Sun-Young Kim, Steven J. Dutton, Lianne Sheppard, Michael P. Hannigan, more

Environmental Health > 2016 > 15 > 1 > 1-1

article

Are Randomized Trials Necessary to Advance Epidemiologic Research on Household Air Pollution?

Jennifer L. Peel, Jill Baumgartner, Gregory A. Wellenius, Maggie L. Clark, more

Current Epidemiology Reports > 2015 > 2 > 4 > 263-270

Nearly three billion people burn solid fuels in inefficient stoves for cooking and space heating. The resulting household air pollution is the third leading risk factor for mortality globally, responsible for an estimated 3.9 million premature deaths each year. Important gaps remain in our knowledge regarding the full characterization of diseases impacted by household air pollution as well as the...

article

The short-term association of selected components of fine particulate matter and mortality in the Denver Aerosol Sources and Health (DASH) study

Sun-Young Kim, Steven J. Dutton, Lianne Sheppard, Michael P. Hannigan, more

Environmental Health > 2015 > 14 > 1 > 1-11

Background Associations of short-term exposure to fine particulate matter (PM_2.5) with daily mortality may be due to specific PM_2.5 chemical components. Daily concentrations of PM_2.5 components were measured over five years in Denver to investigate whether specific PM_2.5 components are associated with daily mortality. Methods Daily counts of total and cause-specific deaths were obtained for the...

article

Association of short-term exposure to ground-level ozone and respiratory outpatient clinic visits in a rural location – Sublette County, Wyoming, 2008–2011

Kerry R. Pride, Jennifer L. Peel, Byron F. Robinson, Ashley Busacker, more

Environmental Research > 2015 > 137 > Complete > 1-7

Short-term exposure to ground-level ozone has been linked to adverse respiratory and other health effects; previous studies typically have focused on summer ground-level ozone in urban areas. During 2008–2011, Sublette County, Wyoming (population: ~10,000 persons), experienced periods of elevated ground-level ozone concentrations during the winter. This study sought to evaluate the association of...

article

Perspectives in Household Air Pollution Research: Who Will Benefit from Interventions?

Maggie L. Clark, Jennifer L. Peel

Current Environmental Health Reports > 2014 > 1 > 3 > 250-257

Household air pollution from solid fuel combustion in inefficient and poorly vented cookstoves is estimated to be responsible for 3.9 million premature deaths per year and 4.8 % of the global burden of disease, making it the third leading risk factor for morbidity and mortality worldwide. Despite increasing recognition surrounding this global environmental health problem, much remains to be elucidated...

article

Concentrations and source insights for trace elements in fine and coarse particulate matter

Nicholas Clements, Jenny Eav, Mingjie Xie, Michael P. Hannigan, more

Atmospheric Environment > 2014 > 89 > Complete > 373-381

The Colorado Coarse Rural–Urban Sources and Health (CCRUSH) study is a multi-year study focused on characterizing the mass, composition and sources of coarse particulate matter (PM _10−2.5 ) in Denver and Greeley, CO. Between the two cities, Denver is expected to have greater influence of industry and motor vehicles as sources of PM _10–2.5 . Greeley is a smaller city with greater expected...

article

Ambient Coarse Particulate Matter and Human Health: A Systematic Review and Meta-Analysis

Sara D. Adar, Paola A. Filigrana, Nicholas Clements, Jennifer L. Peel

Current Environmental Health Reports > 2014 > 1 > 3 > 258-274

Airborne particles have been linked to increased mortality and morbidity. As most research has focused on fine particles (PM_2.5), the health implications of coarse particles (PM_10-2.5) are not well understood. We conducted a systematic review and meta-analysis of associations for short- and long-term PM_10-2.5 concentrations with mortality and hospital admissions. Using 23 mortality and 10 hospital...

article

Positive matrix factorization of a 32-month series of daily PM2.5 speciation data with incorporation of temperature stratification

Mingjie Xie, Ricardo Piedrahita, Steven J. Dutton, Jana B. Milford, more

Atmospheric Environment > 2013 > 65 > Complete > 11-20

This study presents source apportionment results for PM _2.5 from applying positive matrix factorization (PMF) to a 32-month series of daily PM _2.5 compositional data from Denver, CO, including concentrations of sulfate, nitrate, bulk elemental carbon (EC) and organic carbon (OC), and 51 organic molecular markers (OMMs). An optimum 8-factor solution was determined primarily based on...

article

Impact of nitrogen and climate change interactions on ambient air pollution and human health

Jennifer L. Peel, Richard Haeuber, Valerie Garcia, Armistead G. Russell, more

Biogeochemistry > 2013 > 114 > 1-3 > 121-134

Nitrogen oxides (NO_x) are important components of ambient and indoor air pollution and are emitted from a range of combustion sources, including on-road mobile sources, electric power generators, and non-road mobile sources. While anthropogenic sources dominate, NO_x is also formed by lightning strikes and wildland fires and is also emitted by soil. Reduced nitrogen (e.g., ammonia, NH₃) is also emitted...

article

Intra-urban spatial variability of PM2.5-bound carbonaceous components

Mingjie Xie, Teresa L. Coons, Steven J. Dutton, Jana B. Milford, more

Atmospheric Environment > 2012 > 60 > Complete > 486-494

The Denver Aerosol Sources and Health (DASH) study was designed to evaluate associations between PM _2.5 species and sources and adverse human health effects. The DASH study generated a five-year (2003–2007) time series of daily speciated PM _2.5 concentration measurements from a single, special-purpose monitoring site in Denver, CO. To evaluate the ability of this site to adequately...

article

Intra-urban spatial variability and uncertainty assessment of PM2.5 sources based on carbonaceous species

Mingjie Xie, Teresa L. Coons, Joshua G. Hemann, Steven J. Dutton, more

Atmospheric Environment > 2012 > 60 > Complete > 305-315

To identify the sources of PM _2.5 – bound carbonaceous species and examine the spatial variability of source contributions in the Denver metropolitan area, positive matrix factorization (PMF) was applied to one year of every sixth day ambient PM _2.5 compositional data, including elemental carbon (EC), organic carbon (OC), and 32 organic molecular markers, from four sites (two residential...

article

The Association of Self-Reported Backpack Use and Backpack Weight With Low Back Pain Among College Students

Zachary Heuscher, David P. Gilkey, Jennifer L. Peel, Catherine A. Kennedy

Journal of Manipulative and Physiological Therapeutics > 2010 > 33 > 6 > 432-437

Back pain has consistently ranked among the top general health complaints among college students, but few studies have examined risk factors for back pain in this age group. This cross-sectional survey evaluated the association between the self-reported annual low back pain with the estimated usual backpack weight among college students.Data were collected from health education students during the...

article

Risk Factors Associated With Back Pain: A Cross-Sectional Study of 963 College Students

David P. Gilkey, Thomas J. Keefe, Jennifer L. Peel, Osama M. Kassab, more

Journal of Manipulative and Physiological Therapeutics > 2010 > 33 > 2 > 88-95

The purpose of this study was to evaluate standard measures of health behavior for association with back pain among college students using data from the standardized National College Health Assessment survey. This investigation evaluated potential risk factors among a population of students at a Colorado university.This cross-sectional study included 963 survey results that were assessed using backward...

article

Indoor air pollution, cookstove quality, and housing characteristics in two Honduran communities

Maggie L. Clark, Stephen J. Reynolds, James B. Burch, Stuart Conway, more

Environmental Research > 2010 > 110 > 1 > 12-18

Elevated indoor air pollution exposures associated with the burning of biomass fuels in developing countries are well established. Improved cookstoves have the potential to substantially reduce these exposures. However, few studies have quantitatively evaluated exposure reductions associated with the introduction of improved stoves, likely due to the cost and time-intensive nature of such evaluations...

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Search results for: Jennifer L. Peel

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