Table 3 Comparison of differences in various variables among students of different grades.

From: Analyzing the effects of physical exercise on procrastination among college students using a chain-of-intermediates model

Relevant variable

Grade

M ± SD

F

P

Physical exercise

1(202)

24.030 ± 26.545

0.310

0.818

2(227)

24.797 ± 26.845

  

3(211)

26.469 ± 29.200

  

4(226)

25.766 ± 28.522

  

Procrastination

1(202)

2.982 ± 1.097

0.756

0.519

2(227)

2.908 ± 1.143

  

3(211)

3.015 ± 1.156

  

4(226)

3.064 ± 1.160

  

Time management tendencies

1(202)

2.996 ± 1.052

2.671

P<0.05

2(227)

3.210 ± 1.077

  

3(211)

3.108 ± 1.062

  

4(226)

2.953 ± 1.041

  

Mobile phone dependence

1(202)

2.986 ± 1.123

0.398

0.755

2(227)

2.945 ± 1.120

  

3(211)

2.996 ± 1.164

  

4(226)

3.061 ± 1.187

  
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