Canberra, Melbourne, Perth, Sydney. Age: mean 10.0 years. 270 children with current asthma. Minor morbidity Asthma n/a n/a n/a 1.0018 n/a Recommended exacerbation per 1 ppb CRF: 1.0018 (asthmatics) However, CRF from () (1.0004-1.0032) per Whittemore and () 1 ppb () Korn 1980 used in Asthmatics of all () health risk ages assessment 1-hour maximum Asthma/ respiratory n/a n/a No effect. n/a n/a No CRF exacerbations (; )) 25% increased recommended. (whole population) () symptoms in adults Whole population of or asthmatics per CRF from European children aged 5-14 100 µg/m3 (8-hour Commission () is not years average) and 200 statistically France. µg/m3 (1-hour significant and 8-hour daily average). CRFs from WHO () maximum . () do not have associated confidence limits. Increased airway n/a n/a n/a n/a n/a No CRF recommended.
Canberra, Melbourne, Perth, Sydney. Age: mean 10.0 years. 270 children with current asthma. Minor morbidity Asthma exacerbation (asthmatics) n/a n/a However, CRF from Whittemore and Korn 1980 used in health risk assessment n/a 1.0018 per 1 ppb () () Asthmatics of all ages 1-hour maximum n/a Recommended CRF: 1.0018 (1.0004-1.0032) per 1 ppb () () Asthma/ respiratory exacerbations (whole population) n/a n/a No effect. (; )) () Whole population of children aged 5-14 years France. 8-hour daily maximum . n/a n/a 25% increased symptoms in adults or asthmatics per 100 µg/m3 (8-hour average) and 200 µg/m3 (1-hour average). () No CRF recommended. CRF from European Commission () is not statistically significant and CRFs from WHO () do not have associated confidence limits. Increased airway n/a n/a n/a n/a n/a No CRF recommended.
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