Table 4

 Results of parental behavioural assessments of school aged siblings and controls

Siblings (n = 21), median score (range)Siblings (n = 20), median score (range)Controls (n = 287), median score(range)p Value
At first assessment (I)At second assessment (II)I v controlII v controlI v II
Higher scores indicate more negative behaviour.
Conners’
    Conduct problems4 (0–21)6 (0–24)2 (0–18)0.0020.0020.60
    Learning problems1 (0–7)1.5 (0–9)0 (0–8)0.1050.0020.63
    Psychosomatic problems1 (0–7)1.5 (0–5)0 (0–11)0.0720.0040.96
    Impulsive-hyperactive3 (0–13)4 (0–11)2 (0–13)0.0540.0130.68
    Anxiety1 (0–5)1 (0–5)0 (0–5)0.4770.4170.96
    Other behavioural problems0 (0–3)0.5 (0–3)0 (0–2)<0.001<0.0010.89