Table 1.
Demographic and comorbidities in bipolar depression inpatients.
| Variable | Comorbid Anxiety Disorders | p Value | ||
|---|---|---|---|---|
| (−) | (+) | Total | ||
| Total N | 6335 | 3385 | 9720 | - |
| Mean age, years | 14.85 | 14.90 | - | 0.218 |
| Sex, % | ||||
| Male | 42.2 | 29.7 | 37.9 | <0.001 |
| Female | 57.8 | 70.3 | 62.1 | |
| Race, % | ||||
| White | 63.2 | 67.7 | 64.8 | 0.183 |
| Black | 19.1 | 11.2 | 16.4 | |
| Hispanic | 11.2 | 16.3 | 13.0 | |
| NA/Asian | 6.5 | 4.8 | 5.9 | |
| Comorbidities | ||||
| ADHD/conduct/behavioral disorder | 40.6 | 41.5 | 40.9 | 0.370 |
| Psychotic disorders | 3.4 | 3.4 | 3.4 | 0.993 |
| Suicidal behaviors | 44.6 | 54.1 | 47.9 | <0.001 |
| Alcohol abuse | 5.4 | 5.5 | 5.4 | 0.838 |
| Substance abuse | 15.5 | 18.3 | 16.5 | <0.001 |
The proportion in bipolar depression inpatients were obtained using cross tabulation and the Pearson Chi-Square (χ2) test with significant p values ≤ 0.01. NA: Native American; ADHD: attention deficit hyperactivity disorder.