Evidence map›Paper›PMID 31835113›Full record

ArticleEnvironmental research2020

National secular trends in ambient air volatile organic compound levels and biomarkers of exposure in the United States.

Stacey L Konkle, Kristina M Zierold, Kira C Taylor, Daniel W Riggs, Aruni Bhatnagar

Open access · greenAbstract read
In one paragraph

Article in Environmental research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.2field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 53 citations in OpenAlex.

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  8. Environment & health (Washington, D.C.) · 2025
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  17. 1,3-Butadiene: a ubiquitous environmental mutagen and its associations with diseases.Genes and environment : the official journal of the Japanese Environmental Mutagen Society · 2022
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Stacey L KonkleChristina Lee Brown Envirome Institute, University of Louisville School of Medicine, Louisville, KY, United States; Department of Epidemiology and Population Health, University of Louisville School of Public Health and Information Sciences, Louisville, KY, United States.
Kristina M ZieroldDepartment of Environmental Health Sciences, University of Alabama at Birmingham School of Public Health, Birmingham, AL, United States.
Kira C TaylorDepartment of Epidemiology and Population Health, University of Louisville School of Public Health and Information Sciences, Louisville, KY, United States.
Daniel W RiggsChristina Lee Brown Envirome Institute, University of Louisville School of Medicine, Louisville, KY, United States; Department of Bioinformatics and Biostatistics, University of Louisville School of Public Health and Information Sciences, Louisville, KY, United States.
Aruni BhatnagarChristina Lee Brown Envirome Institute, University of Louisville School of Medicine, Louisville, KY, United States. Electronic address: aruni@louisville.edu.
University of Louisville · USUniversity of Alabama at Birmingham · US

Funding

Superfund Training CoreP42ES023716 · NIEHS · UNIVERSITY OF LOUISVILLE · PI FORTNER, JOHN · 2017 to 2025
$18.1M
Urban Greenness and Cardiovascular HealthR01ES029846 · NIEHS · UNIVERSITY OF LOUISVILLE · PI Aruni Bhatnagar · 2018 to 2026
$6.2M
NIEHS NIH HHS P42 ES023716NIEHS NIH HHS R01 ES029846
6 · The paper itself

Abstract

backgroundExposure to air pollution is a leading cause of global mortality. Volatile organic compounds (VOCs) are constituents of ambient air that could exert adverse health effects.

objectiveTo examine the relationship between VOC levels in ambient air and individual-level exposure to VOCs, as assessed by urinary VOC metabolites.

methodsSecular trends in 11 ambient air VOCs (2005-2013) and individual-level metabolites of 14 VOCs (2005-2014) were assessed using National Monitoring Programs (NMP) and National Health and Nutrition Examination Survey (NHANES) data, respectively. To isolate environmental exposure, individuals reporting exposure to tobacco smoke were excluded. Quantile regression models were used to assess secular trends in VOC exposure, and survey-weighted regression models were built to identify factors associated with VOC exposure.

resultsAll annual levels of ambient VOCs decreased from 2005 to 2013 (Range: 12.5%-77.2%). However, 11 of the corresponding VOC metabolites increased during the same time (Range: 0.3%-53.6%). There was a proportional change in patterns of VOC exposure across NHANES waves, with the middle quantiles of exposure showing the largest increase. VOC exposures were significantly associated with age, sex, race, education, and physical inactivity, but not with secular VOC trends. DISCUSSION: In the United States, individual-level exposure to several VOCs increased between 2005 and 2014 despite a decline in ambient air VOC levels. This inverse relationship suggests that ambient VOCs are not the primary source of VOC exposure, therefore, decreasing ambient VOCs alone may not be sufficient to protect against the adverse health effects associated with VOC exposure.

Indexed as

Air PollutantsBiomarkersVolatile Organic CompoundsEnvironmental ExposureEnvironmental MonitoringFemaleHumansMaleNutrition SurveysUnited StatesAir PollutantsBiomarkersVolatile Organic CompoundsAir pollutionBiomarkers of exposureEnvironmental healthNHANESSecular trendsVOCsVolatile organic compounds

Identifiers

PMID31835113
PMCPMC7294699
OpenAlexW2991203856

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.