Table 2. Between-group comparisons for differences in age, gender distribution and measures of cognition in children with psychotic experiences compared to children without and in children with paranoid delusions compared to children with psychotic experiences but without paranoid delusions.
| PE subsamples | Pa Subsamples | |||||||
| PE | Non-PE | Analysis | p | Pa | PE-NonPa | Analysis | p | |
| SAMPLE I | N = 171 | N = 1459 | N = 70 | N = 101 | ||||
| Gender (N, %boys) | 77 (45) | 715(49) | χ2(1) = 0.7794 | 0.38 | 30 (43) | 47(47) | χ2(1) = 0.2259 | 0.635 |
| Age in months (Mean, SD) | 139 (4.7) | 139 (4.7) | t (1628) = 1.04 | 0.29 | 140.1 (4.6) | 139.8 (4.8) | t(169) = −0.3409 | 0.734 |
| Block Design (Mean, SD) | 9.3 (3.9) | 9.8 (3.8) | t(1628) = 0.14 | 0.13 | 9.1 (3.9) | 9.5 (3.9) | t(169) = 0.6346 | 0.527 |
| SAMPLE II | N = 156 | N = 103 | N = 71 | N = 85 | ||||
| Gender (N, %boys) | 73 (47) | 47 (46) | χ2 (1) = 0.0812 | 0.776 | 40 (56) | 42 (49) | χ2(1) = 0.7443 | 0.388 |
| Age in months (Mean, SD) | 159 (5.9) | 160 (5.8) | t (257) = 1.7254 | 0.09 | 159.4 (5.7) | 158.4 (6.0) | t(154) = −1.0171 | 0.311 |
| School(N, %preacademic)* | 81 (52) | 59 (57) | χ2(2) = 2.0765 | 0.354 | 33 (46) | 54 (64) | χ2(1) = 4.7688 | 0.029 |
*missing data on 12 children.