Table 6.
Participant characteristics by CCC-2 consistency check (n = 175)
| Valid (n = 153) | Not valid (n = 22) | |||||
|---|---|---|---|---|---|---|
| n | (%) | Mean (SD) | n | (%) | Mean (SD) | |
| Male sex | 123 | 80.4 | 18 | 81.8 | ||
| ASD | 127 | 83.0 | 20 | 90.9 | ||
| Age (years) at inclusion | 153 | 12.3 (3.4) | 22 | 12.3 (2.7) | ||
| Age (years) at ASD diagnosis | 123 | 11.4 (3.4) | 20 | 11.6 (2.7) | ||
| Nonverbal IQ | 138 | 102.8 (18.8) | 21 | 100.2 (15.3) | ||
| No of NDDs | ||||||
| 0 | 4 | 2.7 | 0 | 0 | ||
| 1 | 56 | 38.1 | 2 | 10.0 | ||
| ≥ 2 | 87 | 59.2 | 18 | 90.0 | ||
| Early language development | ||||||
| One word 1 year (no) | 26 | 21.0 | 6 | 31.6 | ||
| Two words 2 year (no) | 33 | 27.5 | 5 | 26.3 | ||
| CCC-2 composite scores | ||||||
|
GCC (sum scales A–H) |
153 | 40.2 (18.3) | 22 | 30.0 (9.8) | ||
|
Structural Language Score (sum scales A–D) |
153 | 22.7 (10.4) | 22 | 15.6 (6.3) | ||
|
General Pragmatics Score (sum scales E–H) |
153 | 17.5 (10.1) | 22 | 14.3 (4.9) | ||
| Ethnicity | ||||||
| European (Caucasian) | 135 | 90.0 | 21 | 95.5 | ||
Data are expressed as n (%) or mean (SD). The denominator for the reported proportions in this table excludes those with missing data. IQ was obtained from various age-appropriate standardized tests. 2 participants had missing information on results of the consistency check
ASD autism spectrum disorder, CCC-2 Children’s Communication Checklist Second Edition, NDD neurodevelopmental disorder