Age: mean age 10.0 years. 270 children with current asthma. Minor morbidity Asthma n/a n/a n/a n/a n/a No CRF exacerbation (not reported in Abt recommended. Associates 2011 or in USEPA 2006) Pooled estimate from Vedal 1998 and Ostro 2001 () Age: 6-18 years Increased airway n/a n/a n/a n/a n/a No CRF recommended. responsiveness Restricted activity n/a n/a 0.475% n/a n/a Recommended days (RAD)2 per 1 CRF: 0.475% (0.417-0.533%) per μg/m3 () 1 PM2.5 μg/m3 () () Age: 15-64 years. () In a sensitivity analysis, all ages used. Minor restricted n/a n/a 0.74% (0.60-0.88%) 1.0769 n/a Recommended activity days per 1 per 10 CRF: 1.0769 μg/m3
Age: mean age 10.0 years. 270 children with current asthma. Minor morbidity Asthma exacerbation n/a n/a n/a n/a (not reported in Abt Associates 2011 or in USEPA 2006) Pooled estimate from Vedal 1998 and Ostro 2001 () Age: 6-18 years n/a No CRF recommended. Increased airway n/a n/a n/a n/a n/a No CRF recommended. Restricted activity days (RAD)2 n/a n/a 0.475% per 1 μg/m3 () () Age: 15-64 years. In a sensitivity analysis, all ages used. n/a n/a Recommended CRF: 0.475% (0.417-0.533%) per 1 μg/m3 PM2.5 () () Minor restricted activity days n/a n/a 0.74% (0.60-0.88%) per 1 μg/m3 1.0769 per 10 n/a Recommended CRF: 1.0769 responsiveness
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