Table 1.
Baseline demographic and clinical characteristics of the sample
| Variable | CHR | Controls (n = 164) | Statistics* | |
|---|---|---|---|---|
|
| ||||
| Converters (n = 83) | Nonconverters (n = 275) | |||
| Gender, no male (%) | 59 (69.9) | 175 (63.3) | 77 (47.0) | 1, 2 > 3 |
| Age at baseline, mean (SD) | 17.98 (2.51) | 16.86 (2.90) | 17.91 (3.25) | 1, 3 > 2 |
| White,a n (%) | 55 (68.75) | 192 (73.28) | 96 (61.54) | 1, 2 > 3 |
| IQ at baseline, mean (SD) | 102.72 (19.65) | 106.72 (15.99) | 111.51 (13.46) | 1, 2 < 3 |
| Years of education, mean (SD) | 10.86 (2.02) | 9.85 (2.68) | 10.95 (2.94) | 1, 3 > 2 |
| Lower educational level father,b n (%) | 17 (35.42) | 54 (29.83) | 19 (14.62) | 1, 2 > 3 |
| GF | ||||
| Social, mean (SD) | 5.49 (1.43) | 6.21 (1.50) | 8.61 (0.99) | 1 < 2 < 3 |
| Role, mean (SD) | 5.45 (1.74) | 6.12 (1.88) | 8.62 (0.97) | 1 < 2 < 3 |
| SIPS | ||||
| Positive symptoms | 14.00 (4.58) | 10.77 (3.92) | 0.89 (1.58) | 1 > 2 > 3 |
| Negative symptoms | 15.31 (6.87) | 11.70 (6.54) | 0.97 (1.62) | 1 > 2 > 3 |
| Disorganized symptoms | 8.25 (4.57) | 5.51 (3.50) | 0.39 (0.77) | 1 > 2 > 3 |
| General symptoms | 9.38 (4.46) | 7.57 (4.05) | 0.61 (1.05) | 1 > 2 > 3 |
Note: CHR, Clinical high risk; GF, global functioning; SIPS, Structured Interview for Prodromal Syndromes. Scores represent SIPS and GF at baseline.
a
Data for n = 24 missing.
b
Number of individuals without education higher than high school. Data for n = 163 missing.
*
p = .05.