Group comparisons of performance on the HSCT
| Variable | Raw mean (SD) | Adjusted mean (SE)* | Adjusted means difference (SE) | P value | ||
| C9− (n=22) | C9+ (n=38) | C9− (n=22) | C9+ (n=38) | |||
| HSCT—time to completion (part B–part A) | 32.6 (±21.4) | 47.1 (±26.2) | 33.3 (±5.0) | 46.4 (±4.2) | 13.1 (±5.7) | 0.021 |
| HSCT—error score (part B) | 2.0 (±1.9) | 3.6 (±2.7) | 2.1 (±0.4) | 4.3 (±1.8) | 2.3 (±0.7) | 0.001 |
*Estimated means and standard errors based on GEE model taking into account cluster effect of children in family and controlling for age, sex and education.
GEE, generalised estimated equation; HSCT, Hayling Sentence Completion Test.