obstructive 1.15 (0.99-1.33) per 1.29 (0.96-1.83) per recommended for pulmonary disease 20 µg/m3 10 µg/m3 chronic bronchitis. (COPD) or chronic () () bronchitis () () Both the reported () ?Age CRFs are Adults (27+ years) statistically with cough or May be sputum on most used in a sensitivity days for at least analysis. three months of the year for at least two years. Incidence of asthma Ever had wheezing: n/a n/a n/a n/a No CRF No effect recommended. Ever had asthma: No effect No effect in () Australian 6-cities Six cities study (). – Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney. Average hourly PM10 over lifetime. Age: mean age10.0 years. 2,860 children. Recent symptoms Nigh cough: 1.34 n/a n/a n/a n/a No CRF (in last 12 months) (1.19-1.53) per 10 recommended. µg/m3 Chest colds: 1.43 No effect in (1.12-1.82) per 10 Australian 6-cities
obstructive pulmonary disease (COPD) or chronic bronchitis 1.15 (0.99-1.33) per 20 µg/m3 () () () Adults (27+ years) with cough or sputum on most days for at least three months of the year for at least two years. 1.29 (0.96-1.83) per 10 µg/m3 () () ?Age recommended for chronic bronchitis. Both the reported CRFs are statistically May be used in a sensitivity analysis. Incidence of asthma Ever had wheezing: No effect Ever had asthma: No effect () Six cities – Adelaide, Brisbane, Canberra, Melbourne, Perth, Sydney. Average hourly PM10 over lifetime. Age: mean age10.0 years. 2,860 children. n/a n/a n/a n/a No CRF recommended. No effect in Australian 6-cities study (). Recent symptoms (in last 12 months) Nigh cough: 1.34 (1.19-1.53) per 10 µg/m3 Chest colds: 1.43 (1.12-1.82) per 10 n/a n/a n/a n/a No CRF recommended. No effect in Australian 6-cities
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