Table 4.
Variables | High risk (n = 33) | Low risk (n = 40) | Statistica | p value |
---|---|---|---|---|
Sex | ||||
Male | 28 (84.8) | 28 (70.0) | c = 2.232 | .135 |
Female | 5 (15.2) | 12 (30.0) | ||
Age (years) | 12.93 ± 2.53 | 12.67 ± 2.35 | t = 0.448 | .655 |
IAT D2SD | 0.21 ± 0.54 | −0.14 ± 0.65 | t = 2.340 | <.023 |
K total (Internet addiction) | 81.20 ± 17.53 | 67.55 ± 13.59 | t = 3.414 | .001 |
K_D (disturbance of adaptive functions) | 19.58 ± 5.43 | 15.82 ± 3.55 | t = 4.229 | <.001 |
K_W (withdrawal) | 12.73 ± 3.67 | 9.42 ± 2.84 | t = 4.229 | <.001 |
K_T (tolerance) | 12.53 ± 3.48 | 10.52 ± 2.92 | t = 2.640 | .010 |
SAS-SV total (smartphone addiction) | 39.55 ± 5.88 | 20.30 ± 6.99 | t = 12.773 | <.001 |
CASS-S | 25.76 ± 10.85 | 20.33 ± 8.23 | t = 0.199 | .041 |
DHQ | 72.62 ± 16.94 | 62.93 ± 18.41 | t = 0.392 | .045 |
K-ARS | 14.72 ± 10.18 | 16.43 ± 10.75 | t = 0.833 | .541 |
RSES | 24.97 ± .38 | 30.26 ± 5.00 | t = 0.552 | <.001 |
BIS-II | 59.55 ± 8.04 | 52.15 ± 8.94 | t = 0.689 | .002 |
AQ | 68.45 ± 18.04 | 58.52 ± 12.91 | t = 0.024 | .022 |
PQL | 1,556.03 ± 408.54 | 1,475.57 ± 427.83 | t = 0.750 | .487 |
Note. Values are mean ± standard deviation or n (%). K-scale: Korean Scale for Internet Addiction for adolescents; SAS-SV: Smartphone Addiction Scale – short form version; CASS-S: Conners–Wells’ Adolescent Self-Report Scale – short form; DHQ: Daily Hassles Questionnaire; K-ARS: Korean ADHD Rating Scale; RSES: Rosenberg Self-Esteem Scale; BIS-II: Barratt Impulsiveness Scale-II; AQ: Aggression Questionnaire; PQL: Pediatric Quality of Life Inventory/Generic Core Scale.
t: t-test; c: χ2.