Table 2

Gender and age characteristics of ADHD sample



Male
Female
Total
Sig


n(%)
247(72.2)
95(27.8)
342
M > F, p=.000
AGE:





     mean(sd)

10.0(3.1)
10.6(3.3)
10.1(3.2)
Ns
     median

9.3
9.9
9.4

     range

6.0–18.9
6.1–17.8
6.0–18.9

ADDC
n(%)
149(73.4)
54(26.6)
203(59.4)
M > F, p = 0.000
     age(sd)

9.4(2.7)
10.0(3.3)
9.6(2.9)
Ns
ADDI
n(%)
69(65.1)
37(34.9)
106(31.0)
M > F, p = 0.000
     age(sd)

11.6(3.6)1
11.7(3.0)1
11.7(3.4)1
Ns
ADDH
n(%)
27(87.1)
4(12.9)
31(9.1)
M > F, p = 0.000
     age(sd)

8.5(2.8)
8.2(1.5)
8.5(2.7)
Ns
ADDN
n(%)
2(100)

2(0.6)

     age

12.0

12.0


ADDC: Combined type ADHD; ADDI: Inattentive ADHD; ADDH: Hyperactive ADHD;

ADDN: ADHD NOS; 1: sig. older than ADDC & ADDH (F = 21.7, df = 2, p < 0.00)

Elia et al. Child and Adolescent Psychiatry and Mental Health 2008 2:15   doi:10.1186/1753-2000-2-15