Skip to main content

Table 4 Spearman correlation coefficients for the estimates of ambient air pollutant concentrations

From: Early childhood traffic-related air pollution and risk of allergic rhinitis at 2–4 years of age modification by family stress and male gender: a case-control study in Shenyang, China

Air pollutant

PM10

SO2

NO2

CO

O3

PM10

1

0.442

0.463

0.413

0.165

SO2

 

1

0.339

0.452

− 0.282

NO2

  

1

0.709

− 0.210

CO

   

1

− 0.235

O3

    

1

Back to article page

Environmental Health and Preventive Medicine

ISSN: 1347-4715

Contact us