Table 2.
Autistic child/young person baseline demographic characteristics, ITT.
| Intervention | Control | ||
|---|---|---|---|
| (n = 127) | (n = 123) | ||
| Categorical Variables | |||
| Gender | Male | 102 (80%) | 92 (75%) |
| Female | 25 (20%) | 31 (25%) | |
| Age group at start of school year | 6–10 | 89 (70%) | 86 (70%) |
| 11–14 | 38 (30%) | 37 (30%) | |
| Ethnicity | White | 105 (83%) | 108 (88%) |
| Asian/Asian British | 9 (7%) | 4 (3%) | |
| Mixed/Multiple ethnic groups | 4 (3%) | 7 (6%) | |
| Black/African/Caribbean/Black British | 5 (4%) | 1 (1%) | |
| Other ethnic groups | 3 (2%) | 1 (1%) | |
| Prefer not to say | 1 (1%) | 2 (2%) | |
| Continuous variables | |||
| Age | N (%) | 127 (100%) | 123 (100%) |
| Mean (SD) | 9.6 (2.3) | 9.7 (2.1) | |
| Median (IQR) | 9 (8, 11) | 9 (8, 11) | |
| Min., Max. | 7, 15 | 7, 15 | |
| SCQ score | N (%) | 127 (100%) | 123 (100%) |
| Mean (SD) | 25.1 (5.2) | 24.2 (5.2) | |
| Median (IQR) | 25 (22, 29) | 24 (21, 28) | |
| Min., Max. | 15, 37 | 15, 36 | |
| SSIS social skills (teacher) | N (%) | 126 (99%) | 120 (98%) |
| Mean (SD) | 66.1 (19.3) | 64.9 (21.4) | |
| Median (IQR) | 64 (50, 79) | 66 (48, 77) | |
| Min., Max. | 29, 117 | 26, 129 | |
SD: standard deviation; IQR: inter-quartile range; SCQ: Social Communication Questionnaire; SSIS: social skills improvement system.