Table 1.
Demographics and treatment settings of psychiatric patients aged 18–64 years in a large electronic health records database, by substance use disorder (SUD) status: 2000–2010 (N=40,099)
| N (%) | Total | With a SUD diagnosis | Without a SUD diagnosis | χ2 (df) P-value |
|---|---|---|---|---|
|
| ||||
| Sample size | N=40,099 | N=9,984 | N=30,115 | |
| Age at first visit, years | ||||
| 18–24 | 5692 (14.2) | 1724 (17.3) | 3968 (13.2) | 521.6 (3) |
| 25–34 | 8317 (20.7) | 2397 (24.0) | 5920 (19.7) | <0.001 |
| 35–44 | 10097 (25.2) | 2841 (28.5) | 7256 (24.1) | |
| 45–64 | 15993 (39.9) | 3022 (30.3) | 12971 (43.1) | |
|
| ||||
| Sex | ||||
| Male | 16793 (41.9) | 6226 (62.4) | 10567 (35.1) | 2291.0 (1) |
| Female | 23306 (58.1) | 3758 (37.6) | 19548 (64.9) | <0.001 |
|
| ||||
| Race/ethnicity | ||||
| White, non-Hispanic | 24909 (62.1) | 5447 (54.6) | 19462 (64.6) | 869.1 (5) |
| Black, non-Hispanic | 10408 (26.0) | 3664 (36.7) | 6744 (22.4) | <0.001 |
| Hispanic | 213 (0.5) | 70 (0.7) | 143 (0.5) | |
| Asian/Pacific-Islander | 440 (1.1) | 49 (0.5) | 391 (1.3) | |
| Native American/multiple-race | 937 (2.3) | 201 (2.0) | 736 (2.4) | |
| Unknown | 3192 (8.0) | 553 (5.5) | 2639 (8.8) | |
|
| ||||
| Marital status | ||||
| Single | 10883 (27.1) | 3851 (38.6) | 7032 (23.4) | 1366.8 (3) |
| Married | 11791 (29.4) | 1843 (18.5) | 9948 (33.0) | <0.001 |
| Separated, divorced, widowed | 4629 (11.5) | 1482 (14.8) | 3147 (10.4) | |
| Unknown | 12796 (31.9) | 2808 (28.1) | 9988 (33.2) | |
|
| ||||
| Treatment setting | ||||
| Any inpatient | 8181 (20.4) | 2487 (24.9) | 5694 (18.9) | 4839.9 (2) |
| Psychiatric emergency | 8290 (20.7) | 4263 (42.7) | 4027 (13.4) | <0.001 |
| Outpatient only | 23628 (58.9) | 3234 (32.4) | 20394 (67.7) | |