of 1-hour maximum, using as upper limit 4-hour average and for sensitivity 8-hour average in analyses only, as either all year based on 1 study analysis or in warm (82 children aged season only years with doctor analysis diagnosed asthma taking daily asthma Night use: No effect medications) only of 1-hour maximum, with high odds 4-hour average and ratios. Odds ratios 8-hour average in based on days either all year when children not analysis or in warm taking season only corticosteroids. analysis () () Six cities Adults 20+ years: – Adelaide, Brisbane, No effect. Canberra, (; ). Melbourne, Perth, () Sydney. Adults with Age: mean 10.0 asthma. years. 8-hour maximum 270 children with moving average. current asthma. Upper respiratory n/a n/a n/a n/a n/a No CRF symptoms recommended. Increased Day symptoms: No n/a n/a n/a n/a No CRF respiratory effect of 1-hour recommended. symptoms maximum, 4-hour average or 8-hour No effects shown in
of 1-hour maximum, 4-hour average and 8-hour average in either all year analysis or in warm season only analysis Night use: No effect of 1-hour maximum, 4-hour average and 8-hour average in either all year analysis or in warm season only analysis () Six cities – Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney. Age: mean 10.0 years. 270 children with current asthma. using as upper limit for sensitivity analyses only, as based on 1 study (82 children aged years with doctor diagnosed asthma taking daily asthma medications) only with high odds ratios. Odds ratios based on days when children not taking corticosteroids. () Adults 20+ years: No effect. (; ). () Adults with asthma. 8-hour maximum moving average. Upper respiratory symptoms n/a n/a n/a n/a n/a No CRF recommended. Increased respiratory symptoms Day symptoms: No effect of 1-hour maximum, 4-hour average or 8-hour n/a n/a n/a n/a No CRF recommended. No effects shown in
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