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Table 3 Comparison of IGD and BIS and RPI in terms of playtime (M ± SD)

From: Association of internet gaming disorder with impulsivity: role of risk preferences

 

Network usage type

F

P

Post hoc

 

Non-game1

(n = 143)

< 4h2

(n = 431)

≥ 4h3

(n = 50)

IGD

37.45 ± 12.76

40.43 ± 11.21

44.40 ± 13.64

7.09

0.001

2 > 1, 3 > 1

Salience

5.15 ± 2.18

5.69 ± 2.23

6.52 ± 2.82

7.14

0.001

3 > 2 > 1

Mood modification

7.92 ± 3.03

8.65 ± 2.57

9.00 ± 2.86

4.78

0.009

3 > 1, 2 > 1

Tolerance

5.69 ± 2.54

6.20 ± 2.34

6.46 ± 2.53

2.99

0.051

 

Withdrawal symptoms

4.79 ± 2.06

5.10 ± 2.04

5.66 ± 2.73

3.40

0.034

3 > 1

Conflict

8.91 ± 3.20

9.47 ± 2.85

10.70 ± 3.41

6.77

0.001

3 > 1, 3 > 2

Relapse

4.99 ± 2.18

5.31 ± 2.28

6.06 ± 2.58

4.13

0.017

3 > 1

BIS

38.94 ± 9.75

38.32 ± 9.62

43.18 ± 11.40

5.52

0.004

3 > 1, 3 > 2

Motor Impulsiveness

32.85 ± 15.23

33.23 ± 14.57

36.40 ± 15.15

2.42

0.090

 

Non-planning Impulsiveness

41.773 ± 12.43

42.73 ± 12.21

46.50 ± 13.05

2.76

0.064

 

Cognitive Impulsiveness

40.14 ± 10.20

40.03 ± 10.60

43.70 ± 11.92

2.71

0.067

 

RPI

4.87 ± 2.76

5.25 ± 2.72

5.84 ± 3.31

2.42

0.090

 
  1. Note. IGD, internet gaming disorder; BIS, Barratt impulsiveness scale; RPI, risk appetite index. Values are tested by one-way ANOVA among the groups.