Table 2 History of mental illness in younger and older prisoners (n = 8574)
From: Inside the nation’s largest mental health institution: a prevalence study in a state prison system
Mental disorders from the ICD9 and DSM | Younger n = 7107 | Older n = 1467 | All n = 8574 | OR (95% CI)a Reference = older |
|---|---|---|---|---|
Mental illness (DSM and ICD9) | 3448 (48.5) | 645 (44.0) | 4093 (47.7) | 1.3 (1.2–1.5) |
Mental illness (DSM) | 3222 (45.3) | 570 (38.9) | 3792 (44.2) | 1.4 (1.3–1.6) |
Mental illness (ICD9 only) | 226 (3.2) | 75 (5.1) | 301 (3.5) | 0.7 (0.5–0.9) |
Serious mental illnessb (DSM and ICD9) | 2048 (28.8) | 404 (27.5) | 2452 (28.6) | 1.1 (0.99–1.3) |
Serious mental illness (DSM) | 1976 (27.8) | 386 (26.3) | 2362 (27.5) | 1.1 (1.0–1.3) |
Serious mental illness (ICD9 only) | 72 (1.0) | 18 (1.2) | 90 (1.0) | ne |
Substance usec (DSM and ICD9) | 1928 (27.1) | 312 (21.3) | 2240 (26.1) | 1.5 (1.3–1.7) |
Substance use (DSM) | 1791 (25.2) | 286 (19.5) | 2077 (24.2) | 1.5 (1.3–1.7) |
Substance use (ICD9 only) | 137(1.9) | 26 (1.8) | 163 (1.9) | 1.2 (0.8–1.8) |
Depression, major depressive disorders | 1267 (17.8) | 294 (20.0) | 1561 (18.2) | 0.9 (0.8–1.1) |
Anxiety, general anxiety, panic disorders | 1222 (17.2) | 193 (13.2) | 1415 (16.5) | 1.5 (1.3–1.8) |
Personality disorders | 824 (11.6) | 135 (9.2) | 959 (11.2) | 1.3 (1.1–1.6) |
Psychosis, psychotic disorders | 664 (9.3) | 97 (6.6) | 761 (8.9) | 1.5 (1.2–1.9) |
Developmental disabilities | 677 (9.5) | 45 (3.1) | 722 (8.4) | 3.5 (2.6–4.8) |
Bipolar | 579 (8.2) | 65 (4.4) | 644 (7.5) | 2.1 (1.6–2.7) |
Post-Traumatic Stress Disorder | 459 (6.5) | 79 (5.4) | 538 (6.3) | 1.2 (0.9–1.5) |
Schizophrenia | 177 (2.5) | 77 (5.3) | 254 (3.0) | 0.5 (0.4–0.6) |
Impulse control disorders | 160 (2.3) | 10 (0.7) | 170 (2.0) | 3.6 (1.9–6.9) |
Dysthymia, neurotic depression | 132 (1.9) | 45 (3.1) | 177 (2.1) | ne |
Dementia | 29 (0.4) | 24 (1.6) | 53 (0.6) | ne |
Sleep, movement and eating disorders | 24 (0.3) | 2 (0.1) | 26 (0.3) | ne |
Sexual disorders, paraphelias | 11 (0.2) | 3 (0.2) | 14 (0.2) | ne |
Pervasive developmental disorders | 7 (0.1) | 0 (0.0) | 7 (0.1) | ne |
Somatization disorders | 0 (0.0) | 1 (0.1) | 1 (0.0) | ne |