Minor morbidity Asthma n/a n/a n/a per n/a No CRF 1.05 (0.95-1.16) exacerbation recommended. 10 µg/m3 () CRF from Yu et al () () was not statistically () significant. Asthmatic children Age: 5-13 years At least one asthma symptom: wheeze, cough, chest tightness, shortness of breath. Restricted activity n/a n/a n/a n/a n/a No CRF days (RAD)2 recommended. Minor restricted n/a n/a n/a n/a n/a No CRF activity days recommended. (MRAD)3 Work lost days n/a n/a n/a n/a n/a No CRF (WLD)2 recommended. Acute bronchitis n/a n/a n/a n/a n/a No CRF (incidence) recommended. Lower respiratory No effect on 0-15 years: 0.330% 5-14 years: 1.004 n/a 1.0324 Recommended symptoms wheezing. (0.134-0.526%) per (1.002-1.006) per per 10 CRFs: () 1 µg/m3 10 µg/m3 µg/m3 5-14 years: 1.004 148 children (mean 15+ years: No () () (1.002-1.006) per age about 9.6 effect. () ?Age 10 µg/m3 () from a
Minor morbidity Asthma exacerbation n/a n/a n/a 1.05 (0.95-1.16) per 10 µg/m3 () () () Asthmatic children Age: 5-13 years At least one asthma symptom: wheeze, cough, chest tightness, shortness of breath. n/a No CRF recommended. CRF from Yu et al () was not statistically significant. Restricted activity days (RAD)2 n/a n/a n/a n/a n/a No CRF recommended. Minor restricted activity days (MRAD)3 n/a n/a n/a n/a n/a No CRF recommended. Work lost days (WLD)2 n/a n/a n/a n/a n/a No CRF recommended. Acute bronchitis (incidence) n/a n/a n/a n/a n/a No CRF recommended. Lower respiratory symptoms No effect on wheezing. () 148 children (mean age about 9.6 0-15 years: 0.330% (0.134-0.526%) per 1 µg/m3 15+ years: No effect. 5-14 years: 1.004 (1.002-1.006) per 10 µg/m3 () () n/a 1.0324 per 10 µg/m3 () ?Age Recommended CRFs: 5-14 years: 1.004 (1.002-1.006) per 10 µg/m3 () from a
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