BioMed Research International / 2016 / Article / Tab 4

Research Article

Air Pollutants, Climate, and the Prevalence of Pediatric Asthma in Urban Areas of China

Table 4

The relationships among air pollutants, climatic factors, and asthma prevalence by Pearson correlation coefficient.

VariablesAsthma prevalencePM10SO2NO2Relative
humidity
Air
temperature
PrecipitationHours of sunshine

Asthma prevalence1−0.101−0.3230.2610.3510.2890.273−0.476
PM1010.607−0.023−0.308−0.551−0.5290.231
SO210.050−0.213−0.480−0.5000.225
NO210.029−0.061−0.037−0.157
Relative humidity10.6680.740−0.771
Air
temperature
10.821−0.635
Precipitation1−0.577
Hours of sunshine1

Note. PM10: particulates with an aerodynamic diameter of 10 mm; SO2: sulfur dioxide; NO2: nitrogen dioxide. p < 0.05. p < 0.01.

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