Adult asthma and traffic exposure at residential address, workplace address, and self-reported daily time outdoor in traffic: A two-stage case-control study
Is part of collection at SND: Scania Metadatabase for Epidemiology (SME)
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Kristina Jakobsson - Lund University, Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Lund University - Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
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).
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
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
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 period(s) investigated
2005 – 2005
Number of individuals/objects
Response rate/participation rate
- Mode of collection: Self-administered questionnaire: paper
- Time period(s) for data collection: 2005 – 2005
- Source of the data: Population group
Geographic description: Scania (southern Sweden)
Department of Laboratory Medicine, Lund, Division of Occupational and Environmental Medicine
Lund - Ref. 387/2004
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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