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Table 2 Spearman’s correlation coefficients of weather conditions and air pollutants in Chengdu, China (2016–2020)

From: Effects of ambient temperature on mortality among elderly residents of Chengdu city in Southwest China, 2016–2020: a distributed-lag non-linear time series analysis

Variables

PM2.5

O3

SO2

NO2

Mean temperature

Relative humidity

PM2.5

1

     

O3

 − 0.20*

1

    

SO2

0.61*

0.16*

1

   

NO2

0.80*

 − 0.17*

0.65*

1

  

Mean temperature

 − 0.51*

0.72*

 − 0.04

 − 0.41*

1

 

Relative humidity

 − 0.13*

 − 0.49*

 − 0.21*

 − 0.16*

 − 0.04

1

  1. *p < 0.05 for all correlation coefficients
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BMC Public Health

ISSN: 1471-2458

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