Table 2 Correlation analysis between variables.

From: Analyzing the effect of physical exercise on subjective well-being of university students using the chain mediation model

Variant

Genders

Grades

1

2

3

Physical exercise (1)

−0.456**

0.294**

   

Mental toughness (2)

−0.022

−0.030

0.225**

  

Stress perception (3)

0.063

−0.022

−0.270**

−0.540**

 

Subjective well-being (4)

0.005

0.006

0.229**

0.605**

−0.579**

  1. Note: * denotes P less than 0.05, ** denotes P less than 0.01, *** denotes P less than 0.001.
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