Table 1.
Demographic, Anthropometric, and Baseline Characteristics
| FEP (n = 310) | Control (n = 215) | Statistic | P-value | |
|---|---|---|---|---|
| Age – years [mean (SD)] | 23.6 ± 6 | 24.2 ± 6.4 | t = −1.07 | .29 |
| Gender (male) – no. (%) | 207 (66.8%) | 140 (65.1%) | X 2 = 0.16 | .69 |
| Ethnic group – no. (%) | X 2 = 8.59 | .28 | ||
| Caucasian | 266 (85.8%) | 193 (89.8%) | ||
| Gipsy | 5 (1.6%) | 0 (0) | ||
| Maghrebian | 7 (2.3%) | 2 (0.9%) | ||
| Sub-saharan | 2 (0.6%) | 0 (0) | ||
| Asian | 4 (1.3%) | 1 (0.5%) | ||
| Caribbean | 7 (2.2%) | 3 (1.4%) | ||
| Hispanic | 16 (5.2%) | 12 (5.6%) | ||
| Other | 3 (1%) | 4 (1.8%) | ||
| Weight – (kg) | 69.26 ± 14.06 | 69.23 ± 12.75 | t = 0.023 | .98 |
| Tobacco use | ||||
| Active smoker (yes) – no. (%) | 188 (60.6%) | 70 (32.6%) | χ2=43.77 | P <.001 |
| Number of cigarettes per month | 239.63± 263.65 | 68.45 ± 144.55 | ||
| Diagnosis | ||||
| Affective psychosis | 51 (16.4%) | – | ||
| Bipolar disorder | 37 (11.9%) | – | ||
| Major depressive disorder | 7 (2.3%) | – | ||
| Schizoaffective disorder | 7 (2.3%) | – | ||
| Non-affective psychosis | 259 (83.6%) | – | ||
| Psychotic disorder NOS | 99 (31.9%) | – | ||
| Schizophreniform disorder | 62 (20%) | – | ||
| Schizophrenia | 48 (15.5%) | – | ||
| Brief psychotic disorder | 48 (15.5%) | – | ||
| Delusional disorder | 2 (0.6%) | – | ||
| hospitalization | ||||
| Patients with hospitalization (%) | 231 (74.5%) | – | ||
| Duration (days) – mean (SD) | 21.02 ± 22.48 | |||
| PANSS | ||||
| Positive subscale score – mean (SD) | 18.69 (8.01) | – | ||
| Negative subscale score – mean (SD) | 18.6 (8.15) | – | ||
| General subscale score – mean (SD) | 37.8 (12.96) | – | ||
| Total score – mean (SD) | 75.1 (24.7) | – | ||
Note: FEP, First Episode of Psychosis; NOS, Not otherwise specified; PANSS, Positive and Negative Symptom Scale.