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Surrounding Greenness and Exposure to Air Pollution During Pregnancy: An Analysis of Personal Monitoring Data

Title: Surrounding Greenness and Exposure to Air Pollution During Pregnancy: An Analysis of Personal Monitoring Data
Authors: Dadvand, P
De Nazelle, A
Triguero-Mas, M
Schembari, A
Cirach, M
Amoly, E
Figueras, F
Basagana, X
Ostro, B
Nieuwenhuijsen, M
Item Type: Journal Article
Abstract: Background: Green spaces are reported to improve health status, including beneficial effects on pregnancy outcomes. Despite the suggestions of air pollution–related health benefits of green spaces, there is no available evidence on the impact of greenness on personal exposure to air pollution. Objectives: We investigated the association between surrounding greenness and personal exposure to air pollution among pregnant women and to explore the potential mechanisms, if any, behind this association. Methods: In total, 65 rounds of sampling were carried out for 54 pregnant women who resided in Barcelona during 2008–2009. Each round consisted of a 2-day measurement of particulate matter with aerodynamic diameter ≤ 2.5 μm (PM2.5) and a 1-week measurement of nitric oxides collected simultaneously at both the personal and microenvironmental levels. The study participants were also asked to fill out a time–microenvironment–activity diary during the sampling period. We used satellite retrievals to determine the surrounding greenness as the average of Normalized Difference Vegetation Index (NDVI) in a buffer of 100 m around each maternal residential address. We estimated the impact of surrounding greenness on personal exposure levels, home-outdoor and home-indoor pollutant levels, and maternal time-activity. Results: Higher residential surrounding greenness was associated with lower personal, home-indoor, and home-outdoor PM2.5 levels, and more time spent at home-outdoor. Conclusions: We found lower levels of personal exposure to air pollution among pregnant women residing in greener areas. This finding may be partly explained by lower home-indoor pollutant levels and more time spent in less polluted home-outdoor environment by pregnant women in greener areas.
Issue Date: 1-Sep-2012
URI: http://hdl.handle.net/10044/1/54423
DOI: https://dx.doi.org/10.1289/ehp.1104609
ISSN: 0091-6765
Publisher: US Dept Health Human Sciences Public Health Science
Start Page: 1286
End Page: 1290
Journal / Book Title: Environmental Health Perspectives
Volume: 120
Issue: 9
Copyright Statement: Environmental Health Perspectives (EHP) is an open-access publisher. All original content published in the journal is in the public domain and may be accessed and read freely by all interested users.
Keywords: Science & Technology
Life Sciences & Biomedicine
Environmental Sciences
Public, Environmental & Occupational Health
Toxicology
Environmental Sciences & Ecology
ENVIRONMENTAL SCIENCES
PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH, SCI
air pollution
greenness
green space
NDVI
personal exposure
personal monitoring
pregnancy
reproductive health
sustainability
urban green area
URBAN AREAS
QUALITY
ECOLOGY
CITIES
HEALTH
IMPACT
SPACE
Adult
Air Pollutants
Air Pollution
Cities
Climate
Environment
Environmental Exposure
Environmental Monitoring
Female
Humans
Nitrogen Oxides
Particulate Matter
Seasons
Spain
11 Medical And Health Sciences
05 Environmental Sciences
Publication Status: Published
Appears in Collections:Centre for Environmental Policy
Faculty of Natural Sciences



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