Adult asthma and traffic exposure at residential address, workplace address, and self-reported daily time outdoor in traffic: A two-stage case-control study
SND-ID: ext0088-1.
Is part of collection at SND: Scania Metadatabase for Epidemiology (SME)
Access to data via
Contact
Kristina Jakobsson
Creator/Principal investigator(s)
Kristina Jakobsson - Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Research principal
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
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 investigated 1) separate associations with traffic at residence, workplace, and daily time in traffic, and 2) if combining the exposures, i.e. accounting for total exposure, would strengthen the association between traffic and asthma.
The dataset includes a subset of the respondents (asthmatics and controls) from the Scanian public-health survey 2004 (Folkhälsoenkät Skåne 2004). Show less..
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.
Study design
Case-control study
Sampling procedure
Time period(s) investigated
2005 – 2005
Number of individuals/objects
2856
Response rate/participation rate
86%
Data format / data structure
Geographic spread
Geographic description: Scania (southern Sweden)
Responsible department/unit
Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Ethics Review
Lund - Ref. 387/2004
Research area
Health sciences (Standard för svensk indelning av forskningsämnen 2011)
Occupational health and environmental health (Standard för svensk indelning av forskningsämnen 2011)
Health (CESSDA Topic Classification)
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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