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Table 2 Average scores (and standard deviation) for the different scales measuring psychopathological co-morbidity of normal internet users compared with problematic internet users

From: Problematic internet use and psychiatric co-morbidity in a population of Japanese adult psychiatric patients

 

Normal internet users (N = 173)

Problematic internet users (N = 58)

p (Mann–Whitney U test)

Athens Insomnia Scale

6.3 (4.5)

8.8 (4.8)

<0.001*

Beck Depression Inventory

18.3 (12.7)

27.4 (11.9)

<0.001*

State-trait Anxiety Inventory (State)

49.3 (12.1)

54.0 (12.0)

0.013

State-trait Anxiety Inventory (Trait)

53.9 (11.0)

61.8 (8.5)

<0.001*

Adult ADHD Self-report Scale part A

1.8 (1.5)

3.1 (1.6)

<0.001*

Adult ADHD Self-report Scale part B

1.8 (2.3)

3.5 (2.5)

<0.001*

Autism Spectrum Quotient

21.6 (7.1)

25.9 (7.1)

<0.001*

Obsessive-compulsive Inventory

36.3 (31.7)

63.2 (34.1)

<0.001*

Liebowitz Social Anxiety Scale

54.0 (33.9)

71.4 (32.2)

<0.001*

Alcohol Use Disorders Identification Test

3.2 (4.4)

4.3 (5.5)

0.357

Barratt Impulsiveness Scale

63.5 (8.2)

67.4 (8.2)

0.004*

  1. P-values represent the significance of uneven distribution between normal and problematic internet users on each of the scale scores, according to the Mann–Whitney U test
  2. *Significant after Bonferroni correction
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BMC Psychiatry

ISSN: 1471-244X

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