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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