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- Bergdahl, I A, et al.
(författare)
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Increased mortality in COPD among construction workers exposed to inorganic dust.
- 2004
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Ingår i: European Respiratory Journal. - 0903-1936 .- 1399-3003. ; 23:3, s. 402-406
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to find out if occupational exposure to dust, fumes or gases, especially among never-smokers, increased the mortality from chronic obstructive pulmonary disease (COPD). A cohort of 317,629 Swedish male construction workers was followed from 1971 to 1999. Exposure to inorganic dust (asbestos, man-made mineral fibres, dust from cement, concrete and quartz), gases and irritants (epoxy resins, isocyanates and organic solvents), fumes (asphalt fumes, diesel exhaust and metal fumes), and wood dust was based on a job-exposure matrix. An internal control group with "unexposed" construction workers was used, and the analyses were adjusted for age and smoking. When all subjects were analysed, there was an increased mortality from COPD among those with any airborne exposure (relative risk 1.12 (95% confidence interval (CI) 1.03-1.22)). In a Poisson regression model, including smoking, age and the major exposure groups, exposure to inorganic dust was associated with an increased risk (hazard ratio (HR) 1.10 (95% CI 1.06-1.14)), especially among never-smokers (HR 2.30 (95% CI 1.07-4.96)). The fraction of COPD among the exposed attributable to any airborne exposure was estimated as 10.7% overall and 52.6% among never-smokers. In conclusion, occupational exposure among construction workers increases mortality due to chronic obstructive pulmonary disease, even among never-smokers.
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- Carsin, Anne-Elie, et al.
(författare)
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Physical activity and incidence of restrictive spirometry pattern in adults
- 2018
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Ingår i: European Respiratory Journal. - : European Respiratory Society. - 0903-1936 .- 1399-3003. ; 52
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: A restrictive spirometry pattern is associated with high morbidity and mortality. Whether regular physical activity (PA) protects against this pattern has never been studied.Objective: To assess if PA is associated with the development of restrictive pattern.Methods: Lung function and PA were assessed in the second and third follow-up of the ECRHS (n=2757, 39-67 years) and SAPALDIA (n=2610, 36-82 y) cohorts. Subjects with restrictive or obstructive pattern at baseline were excluded. We assessed the association of being active at baseline (defined as exercising vigorously >2-3 times/wk for >1 h) and restrictive pattern at follow-up (defined as a post-bronchodilator FEV1/FVC≥LLN and FVC<80% pred.) using modified Poisson regression, adjusting for age, sex, smoking and asthma. We explored the impact of adjusting for baseline FVC. Additionally, models were repeated stratified by BMI.Results: After 10 years follow-up, 3.7% and 2.8% of participants developed a restrictive pattern, in ECRHS and SAPALDIA respectively. In both cohorts, being physically active was associated with lower risk of a restrictive pattern (meta-analysed RR 0.65, 95% CI 0.47-0.89). This association was stronger in overweight (0.41, 0.23-0.75) and obese (0.42, 0.17-1.05) than in normal weight subjects, but was attenuated when adjusting for baseline FVC (0.77, 0.58-1.04).Conclusion: In two large European studies, adults who reported more PA were at lower risk of developing a restrictive spirometry pattern. Lung function at baseline seemed to explain part of the observed association, stressing the need of adequate method to take into account both horse-racing and regression-to-the-means effects.
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| 4. |
- Olivieri, M., et al.
(författare)
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Healthy hire effect, job selection and inhalation exposure among young adults with asthma
- 2010
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Ingår i: European Respiratory Journal. - : European Respiratory Society (ERS). - 0903-1936 .- 1399-3003. ; 36:3, s. 517-523
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Tidskriftsartikel (refereegranskat)abstract
- The aim of the present study was to assess whether asthma onset prior to entering the workforce influences whether a person holds a subsequent job with asthma-related inhalation exposures. The data of 19,784 adults from the European Community Respiratory Health Survey were analysed. For each respondent, a current or previously held job was linked to a job exposure matrix assigning high, low or no exposure to dust, gases or fumes. Jobs were also categorised according to the risk of exposures related to occupational asthma. Associations between asthma and subsequent occupational exposures were assessed using logistic regression models, with a random intercept for study centre and fixed adjustment for age, sex, type of study sample and smoking status. Of the respondents, 8% (n=1,619) reported asthma with onset before completion of full-time education. This population was at decreased risk of having a job with high (odds ratio 0.79; 95% confidence interval 0.68-0.92) or low (0.91; 0.80-1.03) exposure to dust, gases or fumes. The associations were consistent across exposure types (dusts, gases or fumes) and for jobs with a high risk of occupational asthma. Adults with asthma onset prior to entering the workforce may be less likely to hold jobs involving inhalation exposures.
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