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Table 4 Emergency department visits for each interquartile range change in the two-pollutant models

From: Fine particulate matter constituents associated with emergency room visits for pediatric asthma: a time-stratified case–crossover study in an urban area

 

OR (95% CI) of asthma

Adjusted for temperature, humidity, and pollutant

Single-pollutant model

Adjusted PM2.5

Adjusted PM10

Adjusted

Nitrate

Adjusted

Organic carbon

PM2.5

 

1.064 (0.889–1.274)

1.099 (0.965–1.251)

1.040 (0.906–1.193)

PM10

1.085 (0.925–1.272)

 

1.102 (0.995–1.220)

1.068 (0.959–1.188)

Nitrate

1.083 (0.942–1.245)

1.096 (0.969–1.240)

 

1.068 (0.895–1.194)

Organic carbon

1.168 (1.016–1.342)

1.155 (1.022–1.305)

1.175 (1.026–1.345)