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- Kuiper, Ingrid Nordeide, et al.
(författare)
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Lung health in adulthood after childhood exposure to air pollution and greenness
- 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
- Background: Little is known on childhood exposure to air pollution and adult chronic respiratory outcomes.Aim: To investigate associations between air pollution and greenness in childhood and adult lung health.Methods: In selected centres of the RHINESSA study (age 18-52) we analysed the outcomes respiratory symptoms (≥3 symptoms), severe wheeze (wheeze last year with breathlessness, no cold) and late onset asthma (>10 years). We calculated mean annual exposures of PM2.5, PM10, NO2 (µg/m³) and greenness (Normalized Difference Vegetation Index, 100m buffer) from offspring's birth till age 18, categorised into mean exposure <10 years and 11-18 years. We performed multilevel logistic regression clustered by family, stratified by centre and adjusted for childhood passive smoke and parental asthma.Results: 12% had ≥3 respiratory symptoms, 7.7% severe wheeze, and 9.4% late onset asthma. Overall estimates: greenness was associated with less respiratory symptoms, PM2.5 and NO2 with more late onset asthma. Exposure <10 years: Greenness was associated with less wheeze in Tartu (OR 0.29, 95%CI 0.11-0.73). PM2.5 (OR 1.22, 95%CI 1.00-1.48) and NO2 (OR 1.06, 95%CI 1.01-1.11) were risk factors for late onset asthma in Bergen. PM10 was a risk factor for respiratory symptoms (OR 1.21, 95%CI 1.04-1.41) in Uppsala and late onset asthma (OR 1.23, 95%CI 1.02-1.45) in Bergen. Exposure 11-18 years: Greenness was protective for respiratory symptoms (OR 0.29, 95%CI 0.10-0.86) and wheeze (OR 0.39, 95%CI 0.19-0.80) in Tartu.Conclusions: Childhood exposure to greenness was associated with less respiratory symptoms, while air pollutants were associated with more respiratory symptoms (some centres) and late onset asthma.
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| 4. |
- Tjalvin, Gro, et al.
(författare)
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Maternal preconception exposure to cleaning agents and disinfectants and offspring asthma
- 2020
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Ingår i: European Respiratory Journal. - : ERS Publications. - 0903-1936 .- 1399-3003. ; 56:Suppl 64
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: There is growing concern about health effects of cleaning agents. Emerging research suggests adverse health effects of exposures prior to conception.Aim: To study childhood asthma in relation to mother’s occupational exposure to indoor cleaning before conception and around pregnancy.Methods: The multi-centre two-generation RHINE/RHINESSA study investigated asthma and wheeze with onset <10 years in 3318 adults. Exposure of their mothers to indoor cleaning agents and disinfectants starting before conception, in the 2-year period around conception and pregnancy, or after birth, was defined from mothers’ occupational history in combination with an asthma-specific job exposure matrix. Examples of exposed groups are cleaners, cooks, and nurses. Ordinary and mixed effects logistic regression analyses accounted for family clustering and study centre, and adjusted for maternal education.Results: Mother’s exposure to indoor cleaning starting before conception and continuing (n=610;47%) was associated with offspring’s childhood asthma: adjusted Odds Ratio (OR)=1.6 (95%CI 1.1-2.3), childhood asthma with nasal allergies: 1.8 (1.1-2.8), and childhood wheeze: 2.0 (1.3-3.1). Exposure starting around the time of conception and pregnancy (n=77;6%) was associated with childhood asthma: 2.3 (1.0-5.3) and childhood asthma with nasal allergies: 2.5 (1.0-6.4).Conclusions: Maternal occupational exposure to indoor cleaning pre-conception, or around the time of conception and pregnancy, may be a risk factor for childhood asthma in offspring. Considering potential implications for women in childbearing age using cleaning agents, and their children, mechanistic research and replication in cohort studies are needed.
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