Table 3.
Demographic data means ± standard deviations for the pre-BP, pre-SZ and NCC groups.
| Pre-BP Group (N = 8) | Pre-SZ Group (N = 24) | NCC Group (N = 115) | F/t/χ2 | p | Post-hoc tests (p-value) | |||
|---|---|---|---|---|---|---|---|---|
| Pre-BP vs. Pre-SZ | Pre-BP vs. NCC | Pre-SZ vs. NCC | ||||||
| Age | 15.85 ± 1.87 | 17.11 ± 2.17 | 16.03 ± 2.18 | 2.61 | ns | - | - | - |
| Sex, N (%) male | 5 (62.5%) | 20 (83.3%) | 76 (66.1%) | 2.90 | ns | - | - | - |
| Ethnicity, N (%) Caucasian | 6 (75%) | 17 (70.8%) | 96 (83.5%) | 3.33 | ns | - | - | - |
| Current IQ | 94.50 ± 23.21 | 96.30 ± 12.51 | 104.96 ± 16.67 | 3.77 | < 0.05 | ns | ns | < 0.05 |
| Premorbid IQ | 103.12 ± 14.54 | 102.38 ± 15.65 | 106.43 ± 11.75 | 1.19 | ns | - | - | - |
| Age of disorder onset | 18.43 ± 3.08 | 18.41 ± 2.29 | N/A | 0.02 | ns | - | - | - |
| Disorder onset after identified as high-risk (days) | 941.88 ± 641.24 | 475.50 ± 447.20 | N/A | 2.29 | < 0.05 | - | - | - |
| On antipsychotic at baseline, N (%) | 4 (50%) | 14 (58.3%) | 17 (14.8%) | 23.96 | < 0.001 | ns | < 0.01 | < 0.001 |
| On antidepressant at baseline, N (%) | 2 (25%) | 5 (20.8%) | 28 (24.3%) | 0.14 | ns | - | - | - |
| On mood stabilizer at baseline, N (%) | 1 (12.5%) | 1 (4.2%) | 4 (3.5%) | 1.56 | ns | - | - | - |
| On stimulant at baseline, N (%) | 1 (12.5%) | 0 (0.0%) | 8 (7%) | 2.27 | ns | - | - | - |
| On anxiolytic at baseline, N (%) | 2 (25%) | 4 (16.7%) | 10 (8.7%) | 3.04 | ns | - | - | - |
Abbreviations: BP, bipolar disorder; SZ, schizophrenia; NCC, non-converter comparison group; ns, non-significant; N/A, not applicable.