Table 2 Male and female prevalence of ASD and ADHD in the TS 2000 and TOSCA studies
Female prevalence | Male prevalence | Chi-squared analysis | |
|---|---|---|---|
TOSCA (n = 786) | |||
ASD | 13.5% | 28.9% | \({ X}^{2}\)(1) = 27.15*** |
TS 2000 (n = 80) | |||
Definite ASDa | 40.5% | 45.9% | \({X}^{2}\)(1) = 0.07 |
Probable ASDb | 75.7% | 61.9% | \({X}^{2}\)(1) = 1.15 |
TOSCA (n = 752) | |||
ADHD | 16.7% | 28.1% | \({ X}^{2}\)(1) = 13.45*** |
TS 2000 (n = 78) | |||
Definite ADHDc | 15.5% | 33.3% | \({ X}^{2}\)(1) = 2.46 |
Probable ADHDd | 35.6% | 60.6% | \({ X}^{2}\)(1) = 3.85* |