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Table 2 Means, standard deviation (SD) and correlations of continuous variables

From: Associations of personality traits with internet addiction in Chinese medical students: the mediating role of attention-deficit/hyperactivity disorder symptoms

Variables

Mean

SD

1

2

3

4

5

6

7

1. Age

19.74

1.48

1

      

2. Internet addiction

29.95

14.49

0.045

1

     

3. Extraversion

24.51

4.97

−0.040

−0.159**

1

    

4. Agreeableness

33.84

4.73

−0.043

− 0.315**

0.165**

1

   

5. Conscientiousness

29.49

5.12

0.002

−0.419**

0.264**

0.342**

1

  

6. Neuroticism

23.09

5.05

0.045

0.345**

−0.367**

−0.438**

− 0.414**

1

 

7. Openness

33.79

5.78

−0.058*

−0.159**

0.415**

0.185**

0.349**

−0.284**

1

8. ADHD symptoms

9.05

3.39

0.041

0.462**

−0.101**

−0.289**

− 0.377**

0.347**

− 0.174**

  1. ** p < 0.01 (two-tailed), * p < 0.05 (two-tailed)