Table 2.
Results of subgroup effect size analysis of internet addiction patients for each of the psychiatric comorbidity
| Subgroups | No. of studies | Pooled prevalence (%) | 95% CI | P value in between-group comparison |
|---|---|---|---|---|
| 1. Attention deficit and hyperactivity |
|
|
|
|
| Young adults (19-39 years) |
2 |
23.7 |
17.0-32.0 |
<0.001 |
| Adolescents (10-18 years) |
2 |
20.3 |
16.3-24.9 |
|
| 2. Alcohol abuse | ||||
| Middle-aged adults and elderly (40-76 years) |
1 |
6.1 |
3.6-10.2 |
<0.001 |
| Young adults (19-39 years) |
1 |
13.0 |
9.3-17.8 |
|
| Adolescents (10-18 years) |
1 |
25.1 |
20.9-29.8 |
|
| 3. Anxiety | ||||
| Middle-aged adults and elderly (40-76 years) |
1 |
16.5 |
12.1-22.1 |
<0.001 |
| Young adults (19-39 years) |
2 |
30.9 |
8.6-68.1 |
|
| Adolescents (10-18 years) |
1 |
20.3 |
15.9-25.6 |
|
| 4. Depression | ||||
| Middle-aged adults and elderly (40-76 years) |
1 |
35.8 |
29.7-42.5 |
<0.001 |
| Young adults (19-39 years) |
3 |
28.3 |
18.2-41.3 |
|
| Adolescents (10-18 years) | 1 | 14.3 | 10.5-19.2 | |