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Sökning: WFRF:(Siroux Valérie) > (2018) > Leynaert Benedicte

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1.
  • Burte, Emilie, et al. (författare)
  • Association between air pollution and rhinitis incidence in two European cohorts
  • 2018
  • Ingår i: Environment International. - : Elsevier. - 0160-4120 .- 1873-6750. ; 115, s. 257-266
  • Tidskriftsartikel (refereegranskat)abstract
    • The association between air pollution and rhinitis is not well established.Aim: The aim of this longitudinal analysis was to study the association between modeled air pollution at the subjects' home addresses and self-reported incidence of rhinitis.Methods: We used data from 1533 adults from two multicentre cohorts' studies (EGEA and ECRHS). Rhinitis incidence was defined as reporting rhinitis at the second follow-up (2011 to 2013) but not at the first follow-up (2000 to 2007). Annual exposure to NO2, PM10 and PM2.5 at the participants' home addresses was estimated using land-use regression models developed by the ESCAPE project for the 2009-2010 period. Incidence rate ratios (IRR) were computed using Poisson regression. Pooled analysis, analyses by city and meta-regression testing for heterogeneity were carried out.Results: No association between long-term air pollution exposure and incidence of rhinitis was found (adjusted IRR (aIRR) for an increase of 10 mu g center dot m(-3) of NO2: 1.00 [0.91-1.09], for an increase of 5 mu g center dot m(-3) of PM2.5: 0.88 [0.73-1.04]). Similar results were found in the two-pollutant model (aIRR for an increase of 10 mu g center dot m(-3) of NO2: 1.01 [0.87-1.17], for an increase of 5 mu g center dot m(-3) of PM2.5: 0.87 [0.68-1.08]). Results differed depending on the city, but no regional pattern emerged for any of the pollutants.Conclusions: This study did not find any consistent evidence of an association between long-term air pollution and incident rhinitis.
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2.
  • Fuertes, Elaine, et al. (författare)
  • Residential air pollution does not modify the positive association between physical activity and lung function in current smokers in the ECRHS study
  • 2018
  • Ingår i: Environment International. - : Elsevier. - 0160-4120 .- 1873-6750. ; 120, s. 364-372
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Very few studies have examined whether a long-term beneficial effect of physical activity on lung function can be influenced by living in polluted urban areas.OBJECTIVE: We assessed whether annual average residential concentrations of nitrogen dioxide (NO2) and particulate matter with aerodynamic diameters < 2.5 μm (PM2.5) and <10 μm (PM10) modify the effect of physical activity on lung function among never- (N = 2801) and current (N = 1719) smokers in the multi-center European Community Respiratory Health Survey.METHODS: Associations between repeated assessments (at 27-57 and 39-67 years) of being physically active (physical activity: ≥2 times and ≥1 h per week) and forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) were evaluated using adjusted mixed linear regression models. Models were conducted separately for never- and current smokers and stratified by residential long-term NO2, PM2.5 mass and PM10 mass concentrations (≤75th percentile (low/medium) versus >75th percentile (high)).RESULTS: Among current smokers, physical activity and lung function were positively associated regardless of air pollution levels. Among never-smokers, physical activity was associated with lung function in areas with low/medium NO2, PM2.5 mass and PM10 mass concentrations (e.g. mean difference in FVC between active and non-active subjects was 43.0 mL (13.6, 72.5), 49.5 mL (20.1, 78.8) and 49.7 mL (18.6, 80.7), respectively), but these associations were attenuated in high air pollution areas. Only the interaction term of physical activity and PM10 mass for FEV1 among never-smokers was significant (p-value = 0.03).CONCLUSIONS: Physical activity has beneficial effects on adult lung function in current smokers, irrespective of residential air pollution levels in Western Europe. Trends among never-smokers living in high air pollution areas are less clear.
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3.
  • Moitra, Subhabrata, et al. (författare)
  • Effect of asthma on the development of obesity among adults : Results of the European Community Respiratory Health Survey (ECRHS)
  • 2018
  • Ingår i: European Respiratory Journal. - : European Respiratory Society. - 0903-1936 .- 1399-3003. ; 52
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction: Obesity has been associated with asthma, however the reverse relation has recently been observed among children.Objective: To investigate whether asthma contributes to obesity incidence in adults.Methods: The ECRHS is a cohort study with two follow-ups around, 10-years (ECRHS-II) and 20-years (ECRHS-III) after enrolment. Participants with obesity (BMI>30kg/m2) at baseline were excluded (n=957), leaving 8618 non-obese subjects who participated in at least one follow-up. Asthmatics were described if the subjects reported ever having asthma and had an asthma attack or woke up by an attack of shortness of breath in last 12 months or on current asthma medication. We evaluated the association between: (1) asthma at baseline (ECRHS-I) and obesity at ECRHS-II; and (2) newly reported asthma at ECRHS-II and obesity at ECRHS-III.Results: 10.2% of asthmatics at baseline developed obesity after 10 years compared to 7.7% of non-asthmatics (Age, sex & country-adjusted relative risk: 1.26; 95% confidence interval: 1.03-1.55). Further adjustment for BMI at baseline slightly reduced this risk (RR:1.2; 95%CI: 1.0-1.4). Obesity risk was highest for those developing asthma in adulthood (RR:1.37; 95%CI: 1.01-1.86) compared to those with childhood onset asthma (RR: 1.13; 95%CI: 0.83-1.53). Asthmatics who were non-atopic at baseline had a higher risk of developing obesity at 1st follow up (RR: 1.47; 95%CI: 1.15-1.86). Similar trend was observed in newly reported asthmatics in ECRHS-II and increased obesity risk at the final follow up ECRHS-III (RR: 1.22; 95%CI: 0.86-1.73).Conclusion: These results suggest that asthmatics are at a higher risk of developing obesity.
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4.
  • Peralta, Gabriela P., et al. (författare)
  • Body mass index trajectories during adult life and lung function decline
  • 2018
  • Ingår i: European Respiratory Journal. - : European Respiratory Society. - 0903-1936 .- 1399-3003. ; 52
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Body mass index (BMI) has been associated with lung function. Whether distinct BMI trajectories during adult life affect lung function differently is unknown. We assessed associations of BMI trajectories from 34 to 54 years with lung function decline over the same period of time in the ECRHS cohort.BMI trajectories were developed using Group-Based Trajectory Modeling on data collected at least twice between ECRHS I and ECRHS III (n=9327). Associations of these trajectories with lung function decline were assessed using mixed linear regression models (adjusted for sex, age, age2, height, smoking status and baseline lung function) in a subgroup (n=3534) with lung function data at ECRHS I and III. As sex-specific analyses showed similar findings, males and females were combined.Four parallel trajectories were identified: ‘normal’, ‘overweight’, ‘obese’ and ‘morbidly obese’ (Fig. 1). Those with higher BMI trajectories had greater decline of FEV1 and FVC than those with ‘normal BMI’ trajectory (Fig. 2).Overweight and obese trajectories of BMI during adult life were associated with greater lung function decline in the ECRHS cohort.
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