Change in peak No effect n/a n/a n/a -0.13% (-0.17 to Recommended expiratory flow rate () -0.09%) per 10 CRF: -0.8187 (PEF; litres per Sydney µg/m3 (-1.3325 to -0.3048) minute) 125 children with a () per 1 µg/m3 (). history of wheezing ?Age in previous 12 Change in peak Note months. expiratory flow inconsistencies in Age: mean age relative to mean. CRFs from about 9.6 years. Australian single site studies. No effect () Sydney 32 children (mean age about 9.2 years) with a history of wheezing in previous 12 months. -0.0036 (-0.0067 to -0.0005) per 1 µg/m3 () Brisbane and Ipswich Mixed-models 4-day lag Age: All ages. 53 people with history of allergy to pollen or fungi on skin prick testing. No effect in single
Change in peak expiratory flow rate (PEF; litres per minute) No effect () Sydney 125 children with a history of wheezing in previous 12 months. Age: mean age about 9.6 years. No effect () Sydney 32 children (mean age about 9.2 years) with a history of wheezing in previous 12 months. -0.0036 (-0.0067 to -0.0005) per 1 µg/m3 () Brisbane and Ipswich Mixed-models 4-day lag Age: All ages. 53 people with history of allergy to pollen or fungi on skin prick testing. No effect in single n/a n/a n/a -0.13% (-0.17 to -0.09%) per 10 µg/m3 () ?Age Change in peak expiratory flow relative to mean. Recommended CRF: -0.8187 (-1.3325 to -0.3048) per 1 µg/m3 (). Note inconsistencies in CRFs from Australian single site studies.
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