Table 1.
Demographic and clinical characteristics of patients with bipolar disorder (n = 7,769)
| Variable | ||
| Mean | SD | |
| Patient characteristics | ||
| Age, years | 39.71 | 12.74 |
| General health, preindex period: | ||
| Charlson Comorbidity Index score | 0.38 | 0.99 |
| Diagnoses, n | 8.20 | 6.19 |
| Prescriptions, n | 6.40 | 5.38 |
| n | % | |
| Sex: | ||
| Female | 4,985 | 64.17 |
| Male | 2,784 | 35.83 |
| Region: | ||
| Midwest | 2,161 | 27.82 |
| Northeast | 2,299 | 29.59 |
| South | 2,262 | 29.12 |
| West | 1,047 | 13.48 |
| Insurance type: | ||
| Commercial | 7,334 | 94.40 |
| Other | 435 | 5.60 |
| Bipolar disorder type: | ||
| Depressed | 1,362 | 17.53 |
| Manic | 923 | 11.88 |
| Mixed | 1,424 | 18.33 |
| Other | 4,060 | 52.26 |
| General health, preindex period: | ||
| Hospitalized | 2,165 | 27.87 |
| Comorbidities, preindex period: | ||
| Panic disorder | 356 | 4.58 |
| Obsessive compulsive disorder | 218 | 2.81 |
| Generalized anxiety disorder | 584 | 7.52 |
| Substance abuse | 1,625 | 20.92 |
| Obesity | 268 | 3.45 |
| Depression | 2,775 | 35.72 |
| Cardiovascular disease | 198 | 2.55 |
| Diabetes | 452 | 5.82 |
| Hypertension | 1,101 | 14.17 |
| High cholesterol | 425 | 5.47 |
| Attention-deficit/hyperactivity | 390 | 5.02 |
| Compliance: | ||
| MPR ≥ 0.25 | 4,540 | 58.44 |
| MPR ≥ 0.50 | 2,776 | 35.73 |
| MPR ≥ 0.75 | 1,509 | 19.42 |
| MPR ≥ 0.80 | 1,229 | 15.82 |
| MPR ≥ 0.90 | 651 | 8.38 |
| MPR ≥ 0.95 | 333 | 4.29 |
MPR, medication possession ratio.