Table 1.
Demographics of the Participants
| CAPE-3 | Comparison Between CAPE-3 High and Low Scorers | CAPE-42 | Comparison Between CAPE-42 High and Low Scorers | Entire Sample | Correlation of CAPE Scores With Other Measures in the Entire Sample | |||
|---|---|---|---|---|---|---|---|---|
| No of participants (n) | 600 | 247 | 1252 | |||||
| Stratification | High CAPE-3 | Low CAPE-3 | High CAPE-42 | Low CAPE-42 | – | |||
| Stratification (n) | 313 | 287 | 123 | 124 | 1252 | |||
| Age (mean, SD) BL | 14.4, 0.4 | 14.4, 0.4 | 14.4, 0.4 | 14.4, 0.4 | 14.4, 0.4 | |||
| Age (mean, SD) FU | 18.9, 0.7 | 18.9, 0.7 | 18.9, 0.7 | 18.9, 0.7 | 18.9, 0.7 | |||
| Gender (M, F, NK) | 127, 180, 6 | 160, 123, 4 | 39, 84, 0 | 69, 55, 0 | 591, 651, 10 | |||
| Handedness (R, L, NK) | 263, 39, 11 | 239, 37, 11 | 107, 13, 3 | 104, 18, 2 | 1090, 141, 21 | |||
| WISC Verbal (mean, SD) BL | 111.2, 15.4 | 109.6, 15.1 | n.s | 112.2, 15.2 | 106.9, 15.2 | t (df = 238) = 2.65, P = .008 | 112.5, 14.7 | (r = 0.10, P < .001) |
| WISC performance (mean, SD) BL | 108.8, 14.9 | 106.5, 15.3 | n.s | 109.5, 14.9 | 105.1, 14.6 | t (df = 239) = 2.29, P = .023 | 108.9, 14.3 | (r = 0.094, P = .001). |
| ADRS (mean, SD) FU | 18.1, 2.5 | 19.7, 0.7 | (Z = 9.7, P < .001) | 16, 2.9 | 19.7, 0.6 | (z= 11, p<0.001) | 18.7, 2.1 | (ρ= -0.492, p<0.001 |
| AUDIT (mean, SD) FU | 5.9, 4.4 | 5.5, 4.2 | n.s | 7.4, 5.2 | 5.2, 3.7 | (z = −3.35, P = .001) | 5.6, 4.1 | (ρ = 0.079, P = .005) |
| DAST (mean, SD) FU | 1.1, 2.2 | 0.6, 1.2 | n.s | 1.7, 2.7 | 0.6, 1.0 | (z = −2.95, P = .003) | 0.9, 1.8 | (ρ = 0.097, P = .001) |
Note: n.s., not significant; Z, standardized score of nonparametric comparison; ρ, spearman correlation coefficient; r, Pearson’s correlation coefficient; n, number; SD, standard deviation; BL, baseline; FU, follow-up; M, male; F, female; R, right; L, left; NK, not known; ADRS, Adolescent Depression Rating Scale; AUDIT, Alcohol Use Disorders Identification Test; CAPE-42, Community Assessment of Psychic Experiences Questionnaire, 42 items instrument; DAST, Drug Abuse Screening Test for Cannabis; WISC, Wechsler Intelligence Scale for Children.