Table 4 Correlation of explanatory variables.

From: Health risk assessment of PM2.5 on walking trips

 

HR%

PM2.5

Gender

Age

BMI

HR%

1

0.386

0.337

0.261

0.355

PM2.5

0.386

1

0.053

0.021

0.102

Gender

0.337

0.053

1

0.034

0.064

Age

0.261

0.021

0.034

1

0.217

BMI

0.355

0.102

0.064

0.217

1

  1. **The correlation was significant at the 0.01 level (two-tailed).
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