Evi Dons

Evi Dons
Vias · Knowledge Center

PhD

About

147
Publications
36,741
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4,435
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Publications

Publications (147)
Article
Full-text available
Background: Physical inactivity is one of the leading risk factors for non-communicable diseases, yet many are not sufficiently active. The Physical Activity through Sustainable Transport Approaches (PASTA) study aims to better understand active mobility (walking and cycling for transport solely or in combination with public transport) as an innov...
Article
Background: In the fight against rising overweight and obesity levels, and unhealthy urban environments, the renaissance of active mobility (cycling and walking as a transport mode) is encouraging. Transport mode has been shown to be associated to body mass index (BMI), yet there is limited longitudinal evidence demonstrating causality. We aimed to...
Preprint
Air pollution remains a key environmental problem in an increasingly urbanized world. To quantify health impacts and support informed policies, the population exposure needs to be accurately monitored. However, the inherent spatial variability of air quality poses a tenacious challenge to this. While concentrations of traffic-related pollutants lik...
Article
Reliable estimates of outdoor air pollution concentrations are needed to support global actions to improve public health. We developed a new approach to estimating annual average outdoor nitrogen dioxide (NO2) concentrations using approximately 20,000 ground-level measurements in Flanders, Belgium combined with aerial images and deep neural network...
Article
Full-text available
Many aspects of our life are related to our mobility patterns and individuals can exhibit strong tendencies towards routine in their daily lives. Intrapersonal day-to-day variability in mobility patterns has been associated with mental health outcomes. The study aims were: (a) calculate intrapersonal day-to-day variability in mobility metrics for t...
Article
De resultaten van het PASTA project PASTA, het is geen voor de hand liggend acroniem voor een project over actieve mobiliteit. PASTA staat voor 'Physical Activity through Sustainable Transport Approaches' en was een Europees project (2013-2017) over fietsen, wandelen en openbaar vervoer dat in 2012 merkwaar-dig genoeg werd ingediend in een call ove...
Article
Full-text available
Background Stress is one of many ailments associated with urban living, with daily travel a potential major source. Active travel, nevertheless, has been associated with lower levels of stress compared to other modes. Earlier work has relied on self-reported measures of stress, and on study designs that limit our ability to establish causation. Ob...
Chapter
Air pollution is difficult to detect with human senses. It is to a large extent out of sight and out of sense, while causing a burden on our economy, our health and our environment. A relevant illustration of this is the exposure to air pollution during commutes. The air pollution commuters are exposed to remains to a considerable extent a hidden g...
Article
Background Differences in physical effort between cycling for transportation on an electric-assisted cycle (EAC) and a conventional cycle (CC) were previously studied. The effect of cycle type on respiratory ventilation and inhaled air pollution dose remains unclear. Objective The first aim was to predict respiratory ventilation while cycling on a...
Chapter
Air Pollution is difficult to detect with human senses. It is to a large extent, out of sight and out of sense, while causing a burden on our economy, our health and our environment. A relevant illustration of this is exposure to air pollution during commutes. The air pollution commuters are exposed to remains to a considerable extent an hidden geo...
Article
Full-text available
Active travel (walking or cycling for transport) is considered the most sustainable form of personal transport. Yet its net effects on mobility-related CO2 emissions are complex and under-researched. Here we collected travel activity data in seven European cities and derived life cycle CO2 emissions across modes and purposes. Daily mobility-related...
Article
Full-text available
Active travel (walking or cycling for transport) is considered the most sustainable and low carbon form of getting from A to B. Yet the net effects of changes in active travel on changes in mobility-related CO2 emissions are complex and under-researched. Here we collected longitudinal data on daily travel behavior, journey purpose, as well as perso...
Article
Full-text available
Air pollution is a global threat to public health, especially when considering susceptible populations, such as children. A better understanding of determinants of exposure could help epidemiologists in refining exposure assessment methods, and policy makers in identifying effective mitigation interventions. Through a participatory approach, 73 and...
Preprint
Full-text available
Active travel (walking or cycling for transport) is considered the most sustainable form of personal transport. Yet its net effects on mobility-related CO2 emissions are complex and under-researched. Here we collected travel activity data in seven European cities and derived life cycle CO2 emissions across modes and purposes. Daily mobility-related...
Preprint
Full-text available
Active travel (walking or cycling for transport) is generally good for health, the environment and the economy. Yet the net effects of changes in active travel on changes in mobility-related CO2 emissions are complex and under-researched. Here we collected longitudinal data on daily travel behavior, mode choice, as well as personal and geospatial c...
Article
Full-text available
Background the relationships between the built environment characteristics and personal factors influencing public transport use and the ways they interact are not well understood. Objective we aim to advance the understanding of the relationship between built environment and frequency of public transport use in seven European cities, while accoun...
Article
Free access until June 04 2020 here: https://authors.elsevier.com/a/1avCCLDQwyMG Increased cycling uptake can improve population health, but barriers include real and perceived risks. Crash risk factors are important to understand in order to improve safety and increase cycling uptake. Many studies of cycling crash risk are based on combining dive...
Presentation
Full-text available
EUPASTA factsheet on Active Mobility in Antwerp
Poster
Full-text available
Background/Aim: Not much is known about the role of repeated peak exposures in longer term exposure and health. In fact, no clear definition of peak exposure to air pollution exists. We aimed to develop an algorithm to automatically signal peaks in black carbon (BC) timeseries; we studied the role of personal characteristics, including time-activit...
Article
Background Ubiquitous sensing technology provides novel opportunities for integrating activity patterns in exposure assessment. Theoretically promising to generate population-wide activity-based exposures, in reality strong limitations to widespread and large-scale use exist. Methods and results from three contrasting studies are presented. Methods...
Article
Measuring bicycling behaviour is critical to bicycling research. A common study design question is whether to measure bicycling behaviour once (cross-sectional) or multiple times (longitudinal). The Physical Activity through Sustainable Transport Approaches (PASTA) project is a longitudinal cohort study of over 10,000 participants from seven Europe...
Article
Full-text available
Background: Although walking for travel can help in reaching the daily recommended levels of physical activity, we know relatively little about the correlates of walking for travel in the European context. Objective: Within the framework of the European Physical Activity through Sustainable Transport Approaches (PASTA) project, we aimed to explo...
Article
Full-text available
Land Use Regression (LUR) modeling is a widely used technique to model the spatial variability of air pollutants in epidemiology. In this study, we explore whether a LUR model can predict home-to-school commuting exposure to black carbon (BC). During January and February 2019, 43 children walking to school were involved in a personal monitoring cam...
Article
Full-text available
Air pollution inhaled dose is the product of pollutant concentration and minute ventilation (V_ E). Previous studies have parameterized the relationship between V_ E and variables such as heart rate (HR) and have observed substantial inter-subject variability. In this paper, we evaluate a method to estimate V_ E with easy-to-measure variables in an...
Article
Full-text available
Physical activity has been widely associated with beneficial health effects. The use of electric-assist bicycles (e-bikes) can lead to increased or decreased physical activity, depending on the transport mode substituted. This study aimed to compare physical activity levels of e-bikers and conventional bicycle users (cyclists) as well as across e-...
Article
INTRODUCTION. The European Environment Agency has identified Northern Italy as one of the most polluted areas in Europe. Among air contaminants, black carbon (BC) has been identified as a sensitive marker of traffic related air pollution. This study aims to investigate the spatial distribution of BC in the catchment area of an elementary school of...
Article
Background: Air quality standards are typically based on long term averages - whereas a person may encounter exposure peaks throughout the day. Exposure peaks may contribute meaningfully to health impacts beyond their contribution to long term averages, and therefore should be considered alongside longer-term exposures. We aim to define and explain...
Article
Full-text available
Background: Sufficient sample size and minimal sample bias are core requirements in empirical data analyses. Combining opportunistic recruitment with an online survey and data collection platform yields new benefits compared to traditional recruitment approaches. Objective: The objective of this paper is to report on the success of different recru...
Article
Full-text available
BACKGROUND: Sufficient sample size and minimal sample bias are core requirements for empirical data analyses. Combining opportunistic recruitment with a Web-based survey and data-collection platform yields new benefits over traditional recruitment approaches. OBJECTIVE: This paper aims to report the success of different recruitment methods and obta...
Article
Aim: To assess the main and interaction effects of black carbon and physical activity on arterial blood pressure in a healthy adult population from three European cities using objective personal measurements over short-term (hours and days) and long-term exposure. Methods: A panel study of 122 healthy adults was performed in three European citie...
Poster
Full-text available
Introduction: The European Environmental Agency (EEA) has identified Northern Italy as one of the most polluted areas in Europe. In the specific area of Milan this situation is mainly caused by urban motorized traffic. The aim of this first part of the project MAPS MI, Mapping Air Pollution in a School catchment area of Milan, was to study the spat...
Poster
Full-text available
MAPS MI, Mapping Atmospheric Pollution in a School catchment area of Milan, is a project that aims to (1) study spatial variation of Black Carbon (BC) (2) raise awareness of children about air pollution (3) assess air pollution personal exposure of schoolchildren, and (4) identify the so called “ideal home-school paths” (the least polluted routes t...
Article
Background: Transport mode choice has been associated with different health risks and benefits depending on which transport mode is used. We aimed to evaluate the association between different transport modes use and several health and social contact measures. Methods: We based our analyses on the Physical Activity through Sustainable Transport...
Article
Full-text available
Subjective perception of air pollution is important and can have impacts on health in its own rights, can lead to protective behaviour, or it can be leveraged to engage citizens and stakeholders in support of cleaner air policies. The aim of the current analysis was to examine associations between level of concern over health effects of air polluti...
Article
Full-text available
Introduction: When physical activity is promoted in urban outdoor settings (e.g. walking and cycling), individuals are also exposed to air pollution. It has been reported that short-term lung function increases as a response to physical activity, but this beneficial effect is hampered when elevated air pollution concentrations are observed. Our st...
Conference Paper
Background/aim The increased inhalation rate during physical activity in urban environments may result in increased inhaled dose of traffic-related air pollutants. Short-term exposure to traffic-related air pollutants has been associated with increasing blood pressure. The current study assesses the main effects and interaction effects of traffic-r...
Conference Paper
See full paper at: https://www.researchgate.net/publication/317871361_NO2_but_Not_PM_25_at_the_Home_Address_is_Associated_with_Concern_over_Health_Effects_of_Air_Pollution Background/aim People living in urban areas in Europe are exposed to elevated concentrations of air pollution. The lower the air pollution levels, the better for your health; s...
Conference Paper
Background/aim Transport behaviours have been associated with several positive and negative health effects. The current study evaluates the association between different modes of transport and subjective general health in an adult population in seven European cities, and explores whether mental health, vitality, perceived stress, social contacts, a...
Article
Abstract While the annual number of trips of the average urban inhabitant has grown steadily in recent years, people are becoming less active while doing so. This lack of physical activity causes major health problems for individuals and great economic costs for society as a whole. Replacing short motorized trips by walking and cycling has been sho...
Article
Full-text available
We conducted a health impact assessment (HIA) of cycling network expansions in seven European cities. We modeled the association between cycling network length and cycling mode share and estimated health impacts of the expansion of cycling networks. First, we performed a non-linear least square regression to assess the relationship between cycling...
Technical Report
Full-text available
The PASTA project ran from October 2013-October 2017, and was about getting individuals to be more physically active by integrating physical activity (PA) into their daily transport activities through walking and cycling. This report reflects the work and findings from the first work package of the PASTA project. In a nutshell, this report looks at...
Article
Full-text available
Background: Daily changes in ambient concentrations of particulate matter, nitrogen oxides and ozone areassociated with increased cardiopulmonary morbidity and mortality, with the lungs and their function being avulnerable target. Methods: To evaluate the association between daily changes in air pollution and lung function in healthy adultswe obtai...
Data
Fig S1 FEV1 Fig S2 FEV1/FVC Fig S3 PEF Table S1: Detailed Characteristics of the study population at entry of the study (n=2,449) and pulmonary outcomes based on all clinical visits (n=5,404). Table S2: Summary pollutant concentration data per year (Station Dessel 42N016) per year.
Data
Sensitivity analysis of the association between exposure to particulate matter with diameter < 10 μm (PM10) the day before the clinical visit (lag 1) and Forced Expiratory Volume in 1 s (FEV1)
Article
Background There is increasing evidence that active mobility contributes to overall physical activity, and is negatively associated with obesity. However, the associations between active mobility, physical activity and body weight are complex. In the current analysis, a number of research gaps are tackled (e.g. including leisure-time physical activ...
Article
Background PASTA (Physical-Activity-through-Sustainable-Transport-Approaches) is a European project that aims to promote and assess active travel and develops a new comprehensive Health Impact Assessment (HIA) model for active travel (AT). Objective: Describe the HIA approach used in the PASTA project. Methods Conduct workshops and individual inte...
Article
Background Active mobility (ie walking and cycling) has been associated with health benefits like increasing levels of physical activity and reduction of cardiovascular risk in the general population. However, increased inhalation rate during physical activity may result in increased inhaled dose of traffic-related air pollutants. short-term exposu...
Conference Paper
Background Cities are increasingly turning towards active travel policies to help address some the world’s greatest public health challenges, in particular physical inactivity. However, what will actually work to promote walking and cycling remains uncertain, and findings from the scientific literature may differ from what stakeholders and decision...
Article
Background People living in urban areas in Europe are exposed to elevated concentrations of traffic-related air pollution. The lower the air pollution levels, the better for your health; so people exposed to higher concentrations should be worried more about air pollution. But are they? The aim of this analysis was to examine associations between c...
Article
Reduction of sedentary time and an increase in physical activity offer potential to improve public health. However, quantifying physical activity behaviour under real world conditions is a major challenge and no standard of good practice is available. Our aim was to compare the results of physical activity and sedentary behaviour obtained with a se...
Article
Background The number of trips of the average urban inhabitant per year has grown steadily in recent years – but we are actually moving (our bodies) less. Every day, millions of trips are made by car (where 50% of these are less than 5 km) or other motorised private vehicles as well as with public transport, while only a small percentage of trips a...
Article
Full-text available
Background Physical inactivity is the fourth leading cause of global mortality. Hence, the Physical Activity through Sustainable Transport Approaches (PASTA) study aims to promote active mobility (i.e. walking and cycling) as an innovative measure to increase physical activity levels. Studying the health benefits of an increase in active mobility i...
Article
Full-text available
Reduction of sedentary time and an increase in physical activity offer potential to improve public health. However, quantifying physical activity behaviour under real world conditions is a major challenge and no standard of good practice is available. Our aim was to compare the results of physical activity and sedentary behaviour obtained with a se...
Data
Dataset including the relevant data without demographic information. –Demographic information was not added due to privacy concerns. (XLSX)
Data
Characteristics of volunteers enrolled in 1) the PASTA online survey in all cities 2) the PASTA online survey in Antwerp (ANT), Barcelona (BCN) and London (LDN) only 3) the study using wearables (all participants and each city separately). Physical activity variables of the online survey sample are derived from the GPAQ asking about general behavio...
Data
The Global Physical Activity Questionnaire (GPAQ). The GPAQ was adjusted to capture information on walking, cycling and e-biking trips separately. (PDF)
Data
Boxplots of MVPA time, moderate time and vigorous time per measurement method and session. Δ = the mean difference between both methods per session (tested for significance using the Wilcoxon signed rank sum test); r = the Spearman correlation coefficient per session; rrm = the overall Spearman correlation adjusted for repeated measures (rm); pΔ(t)...
Data
Sedentary minutes measured by the GPAQ in function of SB measured by the SenseWear. The Spearman correlation coefficients for session 1, session 2 and session 3 are respectively 0.09, 0.25 and 0.24 (overall rrm = 0.12). SW = SenseWear. (PDF)