Table 1.
Demographic and clinical variables.
| Variable | n (%) | Missing (%) | |
|---|---|---|---|
| Missing data (all variables) | Complete cases | 866 (72.3) | 332 (27.7) |
| Centre | SLaMNot SLaM | 228 (19)970 (81) | 0 (0) |
| Gender | FemaleMale | 427 (35.6)771 (64.4) | 0 (0) |
| Patient ethnicity | WhiteBlackOther | 562 (46.9)410 (34.2)209 (17.4) | 17 (1.4) |
| Employment | Not employedEmployed | 1127 (94.1)49 (4.1) | 22 (1.8) |
| Education | SecondaryOther | 618 (51.6)475 (39.6) | 105 (8.8) |
| Language | Not EnglishEnglish | 168 (14)996 (83.1) | 34 (2.8) |
| Smoking status | NonsmokerSmoker | 325 (27.1)818 (68.3) | 55 (4.6) |
| Substance misuse | NoYes | 628 (52.4)513 (42.8) | 57 (4.8) |
| Diagnosis | Not schizophreniaSchizophrenia | 329 (27.5)793 (66.2) | 76 (6.3) |
| Forensic history | NoYes | 636 (53.1)475 (39.6) | 87 (7.3) |
| Race of consultant | WhiteNot white | 768 (64.1)385 (32.1) | 45 (3.8) |
| Section status | SectionedInformal | 824 (68.8)368 (30.7) | 6 (0.5) |
| Previous admissions | 0 or 12 or more | 254 (21.2)861 (71.9) | 83 (6.9) |
| Noncompliant history | NoYes | 227 (18.9)894 (74.6) | 77 (6.4) |
| Clozapine use | NoYes | 1074 (89.6)124 (10.4) | 0 (0) |
| Route of administration | IntramuscularOral | 280 (23.4)918 (76.6) | 0 (0) |
| Type of antipsychotic | TypicalAtypical | 284 (23.7)914 (76.3) | 0 (0) |
| Polypharmacy prescribed | NoYes | 640 (53.4)557 (46.5) | 1 (0.1) |
| Polypharmacy administered | NoYes | 911 (76)258 (21.5) | 29 (2.4) |
| Anticholinergic use | NoYes | 963 (80.4)194 (16.2) | 41 (3.4) |
| Previous treatment with current antipsychotic | NoYes | 382 (31.9)678 (56.6) | 138 (11.5) |
| Previous number of antipsychotic treatments | 0 or 12 or more | 468 (39.1)552 (46.1) | 178 (14.9) |
SLaM, South London and Maudsley NHS Trust.