Adult asthma and traffic exposure at residential address, workplace address, and self-reported daily time outdoor in traffic: A two-stage case-control study
This study is part of the collection Scania Metadatabase for Epidemiology (SME)
Creator/Principal investigator(s)
Kristina Jakobsson - Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Description
This study used GIS (Geographical Information Systems) to estimate traffic exposure, not only on residential, but also on workplace address, in addition to survey questions on time spent in traffic during commuting or other daily activities. This study was conducted in two stages: A first cross-sectional public health survey in Southern Sweden 2004 (n = 24819, 18-80 years, response rate 59%) was followed by a case-control study in 2005 to obtain more detailed exposure and confounder information (n = 2856, asthmatics and controls (1:3, frequency matched on sex), 86% response rate). In the first survey, only residential address was known. In the second survey, questions about workplace addresses and daily time spent in traffic were also included. Residential and workplace addresses were geocoded and linked with GIS to road data and dispersion modelled outdoor concentrations of NOx (annual mean, 250 × 250 m resolution).
Purpose:
The aim was to investigate the association between traffic exposure and prevalence of asthma and asthma symptoms in adults in occupationally active age. The study inves
Subject area
HEALTH
(CESSDA Topic Classification)
Health Sciences, Occupational Health and Environmental Health
(The Swedish standard of fields of research 2011)
Principal organisation
Accessibility status
Responsible department/unit
Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Creator/Principal investigator(s)
Kristina Jakobsson - Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Identifiers
SND-ID: EXT 0088
Description
This study used GIS (Geographical Information Systems) to estimate traffic exposure, not only on residential, but also on workplace address, in addition to survey questions on time spent in traffic during commuting or other daily activities. This study was conducted in two stages: A first cross-sectional public health survey in Southern Sweden 2004 (n = 24819, 18-80 years, response rate 59%) was followed by a case-control study in 2005 to obtain more detailed exposure and confounder information (n = 2856, asthmatics and controls (1:3, frequency matched on sex), 86% response rate). In the first survey, only residential address was known. In the second survey, questions about workplace addresses and daily time spent in traffic were also included. Residential and workplace addresses were geocoded and linked with GIS to road data and dispersion modelled outdoor concentrations of NOx (annual mean, 250 × 250 m resolution).
Purpose:
The aim was to investigate the association between traffic exposure and prevalence of asthma and asthma symptoms in adults in occupationally active age. The study inves
Time period(s) investigated
2005 — 2005
Geographic spread
Geographic description: Scania (southern Sweden)
Unit of analysis
Population
Participants of the Scanian public-health survey 2004 having agreed to participate in additional studies, age 18-65 years, asthmatics and controls matched on sex.
Time Method
Sampling procedure
Ethics Review
Lund — Ref. 387/2004
Subject area
HEALTH
(CESSDA Topic Classification)
Health Sciences, Occupational Health and Environmental Health
(The Swedish standard of fields of research 2011)
Is part of collection at SND
Publications
Anna Lindgren, Jonas Björk, Emilie Stroh, Kristina Jakobsson. Adult asthma and traffic exposure at residential address, workplace address, and self-reported daily time outdoor in traffic: A two-stage case-control study. BMC Public Health 2010, 10:716.
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Study on Environment and Health
Creator/Principal investigator(s)
Kristina Jakobsson - Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Description
Data format / data structure
Numeric
Geospatial
Data collection
Mode of collection: Self-administered questionnaire: paper
Time period(s) for data collection: 2005 — 2005
Source of the data: Population group
Time period(s) investigated
2005 — 2005
Number of individuals/objects
2856
Response rate/participation rate
86