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. 2020 Jul 2;17(13):4766. doi: 10.3390/ijerph17134766

Table 2.

Comparisons of demographic data and difficulties in emotion regulation between the PNIA and NIA groups and the RIA and PIA groups.

PNIA Group
(n = 248)
n (%) or
mean (SD)
NIA Group
(n = 20)
n (%) or
mean (SD)
χ2 or t RIA Group
(n = 26)
n (%) or
mean (SD)
PIA Group
(n = 30)
n (%) or
mean (SD)
χ2 or t
Gender, n (%)
Female 129 (50.0) 11 (55) 0.066 15 (57.7) 14 (46.7) 0.678
Male 119 (48.0) 9 (45) 11 (42.3) 16 (53.3)
Age (years), mean (SD) 22.3 (2.0) 22.4 (1.9) −0.347 21.6 (1.2) 22.6 (1.9) −2.421
DERS, mean (SD)
Non-acceptance of emotional responses 12.2 (3.9) 13.6 (3.2) −1.532 13.7 (3.6) 14.3 (4.7) −0.601
Difficulties engaging in goal-directed behavior 11.4 (3.3) 11.9 (3.1) −0.605 14.8 (3.4) 14.8 (4.3) −0.029
Impulse control difficulties 10.8 (3.8) 13.4 (4.1) −2.902 * 14.0 (4.7) 14.2 (5.0) −0.179
Lack of emotional awareness 14.5 (4.1) 14.0 (2.8) 0.514 16.3 (3.4) 16.0 (3.1) 0.312
Limited access to emotion regulation strategies 15.7 (4.8) 18.5 (4.2) −2.481 20.1 (6.0) 20.4 (5.6) −0.229
Lack of emotional clarity 9.7 (2.9) 10.5 (2.9) −1.168 11.0 (2.1) 11.0 (2.7) −0.052

* p < 0.008. DERS: Difficulties in Emotion Regulation Scale; NIA: No Internet addiction; PIA: Persistent Internet addiction; PNIA: Persistent no Internet addiction; RIA: Remitted Internet addiction; SD: Standard deviation.