Table 1.
Characteristics of the population at different time points (EDSP)
| T0e (n = 3021) | T1e (n = 1228)* | T2e (n = 2548) | T3e (n = 2210) | |
|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | M (SD) | |
| Sex (male)a | 1533 (50.74) | 637 (51.87) | 1297 (50.90) | 1135 (51.36) |
| Age | 18.26 (3.34) | 16.72 (1.19) | 21.74 (3.39) | 26.62 (3.47) |
| Symptom dimension scoresb | ||||
| Anxiety | 1.33 (0.37) | 1.22 (0.32) | 1.19 (0.28) | 1.17 (0.31) |
| Depression | 1.43 (0.46) | 1.31 (0.39) | 1.32 (0.39) | 1.30 (0.41) |
| Hostility | 1.45 (0.50) | 1.34 (0.45) | 1.29 (0.40) | 1.24 (0.35) |
| Interpersonal sensitivity | 1.48 (0.49) | 1.33 (0.43) | 1.35 (0.43) | 1.28 (0.39) |
| Obsessive-compulsive | 1.47 (0.44) | 1.36 (0.40) | 1.35 (0.38) | 1.32 (0.38) |
| Phobic anxiety | 1.24 (0.30) | 1.17 (0.26) | 1.17 (0.25) | 1.15 (0.26) |
| Psychosisc | 1.31 (0.36) | 1.22 (0.32) | 1.21 (0.28) | 1.17 (0.27) |
| Somatization | 1.35 (0.33) | 1.28 (0.29) | 1.26 (0.27) | 1.26 (0.29) |
| Environmental loada | ||||
| Zero | 645 (21.35) | 286 (23.29) | 303 (11.89) | 204 (9.23) |
| One | 1711 (56.64) | 694 (56.51) | 1045 (41.01) | 773 (34.98) |
| Two | 556 (18.40) | 210 (17.10) | 980 (38.46) | 958 (43.35) |
| Three | 109 (3.61) | 38 (3.09) | 220 (8.63) | 275 (12.44) |
*The sample at T1 only included the younger members of the cohort; assessments at T0, T2 and T3 were based on the full sample. an (%); bSelf-report Symptom Checklist-90-R (SCL-90-R) symptom dimensions scores; cparanoid ideation and psychoticism dimensions were combined to create a single “psychosis” dimension