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Table 1 Demographic and clinical characteristics of the three groups

From: Difference in the functional connectivity of the dorsolateral prefrontal cortex between smokers with nicotine dependence and individuals with internet gaming disorder

 

IGD (n = 27)

HC (n = 33)

SND (n = 29)

F value (p value)

p1-2

p1-3

p2-3

(Mean ± SD)

(Mean ± SD)

(Mean ± SD)

Age (years)

20.78 ± 2.20

20.78 ± 2.51

22.58 ± 2.41

5.56

(0.005)

1

0.02

0.01

Sex (F/M)

8/19

6/27

0/33

12.091

(0.001)

0.30

0.001

0.02

Education (years)

11.26 ± 1.67

12.67 ± 2.58

13.03 ± 2.06

5.19

(0.007)

0.43

0.01

1

Chen Internet Addiction Scale (CIAS)

75.15 ± 9.95

44.27 ± 9.81

46.76 ± 8.34

98.29

(<0.001)

<0.001

<0.001

0.45

Self-Rating Anxiety Scale (SAS)

51.33 ± 10.16

39.61 ± 6.39

44.48 ± 8.96

14.09

(<0.001)

<0.001

0.01

0.08

Self-rating depression scale (SDS)

54.56 ± 10.80

43.12 ± 8.85

47.44 ± 9.13

10.66

(<0.001)

<0.001

0.02

0.24

Barratt Impulsiveness Scale-11 (BIS-11)

61.22 ± 8.44

52.82 ± 6.64

52.41 ± 7.50

12.36

(<0.001)

<0.001

<0.001

1

FTND

  

6.52 ± 2.11

    
  1. p 1-2 for IGD group versus HC group, p 1-3 for IGD group versus SND group, p 2-3 for HC group versus SND group
  2. SD standard deviation, HC healthy control, IGD internet gaming disorder, SND smokers with nicotine dependence, FTND Fagerstrom test of nicotine dependence