Age: mean 10.0 years. 270 children with current asthma. Shortness of breath Day SOB: No effect n/a n/a n/a n/a Recommended Night SOB: 1.0417 CRF: 1.0417 (1.0031-1.0819) per (1.0031-1.0819) per 1 in 1 (). μg/m3 μg/m3 pollutant model with CO 8-hour average 24-hour average Lag 2 () Six cities – Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney. Age: mean 10.0 years. 270 children with current asthma. Bronchodilator use No effect. 0-15 years: 0.230% 5-14 years : No n/a 1.0305 No CRF (people with () (0.073-0.3876%) effect per 10 recommended. asthma) 148 children (mean per 1µg/m3 20+ years: No effect µg/m3 age about 9.6 () () No effect in years) with a history 15+ years: 0.180% () ?Age Australian 6-cities of wheezing in (0.004-0.357%) per () study (). previous 12 months. 1µg/m3 People with asthma. 5-15 years: No Sydney. () effect Inconsistent CRFs () 31 studies reported. There is No effect () Symptomatic generally a lack of
Age: mean 10.0 years. 270 children with current asthma. Shortness of breath Day SOB: No effect Night SOB: 1.0417 (1.0031-1.0819) per 1 μg/m3 in model with CO 8-hour average 24-hour average Lag 2 () Six cities – Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney. Age: mean 10.0 years. 270 children with current asthma. n/a n/a n/a n/a Recommended CRF: 1.0417 (1.0031-1.0819) per 1 μg/m3 (). Bronchodilator use (people with asthma) No effect. () 148 children (mean age about 9.6 years) with a history of wheezing in previous 12 months. Sydney. No effect 0-15 years: 0.230% (0.073-0.3876%) per 1µg/m3 15+ years: 0.180% (0.004-0.357%) per 1µg/m3 () () () 5-14 years : No effect 20+ years: No effect () () () People with asthma. n/a 1.0305 per 10 µg/m3 () ?Age 5-15 years: No effect 31 studies Symptomatic No CRF recommended. No effect in Australian 6-cities study (). Inconsistent CRFs reported. There is generally a lack of pollutant
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