Table 2.
Prevalence of Mental Illness Symptoms in Subgroups with or without Symptoms of Attention Deficit and Hyperactivity.
| No. (%) |
|||
|---|---|---|---|
| With ADHD symptoms (n=579, 5.1%) | Without ADHD symptoms (n=10675, 94.9%) | p valuea | |
| Depression | <0.001 | ||
| Moderate to severe | 326 (56.3%) | 1377 (12.9%) | |
| Mild | 153 (26.4%) | 2817 (26.4%) | |
| Normal | 100 (17.3%) | 6481 (60.7%) | |
| Anxiety | <0.001 | ||
| Moderate to severe | 239 (41.3%) | 794 (7.4%) | |
| Mild | 194 (33.5%) | 2439 (22.8%) | |
| Normal | 146 (25.2%) | 7442 (69.7%) | |
| Insomnia | <0.001 | ||
| Moderate to severe | 178 (30.7%) | 580 (5.4%) | |
| Subthreshold | 236 (40.8%) | 2945 (27.6%) | |
| Normal | 165 (28.5%) | 7150 (67.0%) | |
| PTSD | <0.001 | ||
| Yes | 226 (39.0%) | 726 (6.8%) | |
| No | 353 (61.0%) | 9949 (93.2%) | |
| Any mental illness symptomsb | <0.001 | ||
| Yes | 508 (87.7%) | 5408 (50.7%) | |
| No | 71 (12.3%) | 5267 (49.3%) | |
Abbreviations: ADHD symptoms, Symptoms of attention deficit and hyperactivity; PTSD, Post-traumatic stress disorder.
a
χ2 tests were used to compare the prevalence of mental illness symptoms in subgroups with or without symptoms of attention deficit hyperactivity disorder.
b
Having any depression, anxiety, insomnia, PTSD symptoms; moderate to severe and mild depression were defined as having depression symptoms, moderate to severe and mild anxious were defined as having anxiety symptoms, moderate to severe and subthreshold insomnia were defined as having insomnia symptoms, positive PTSD was defined as having PTSD symptoms.