Table 1 Demographic characteristics: means and standard deviations within the four groups
From: ADHD in girls and boys – gender differences in co-existing symptoms and executive function measures
ADHD | Healthy controls | ||||||
|---|---|---|---|---|---|---|---|
Variable | Boys1(n = 43) | Girls2(n = 37) | Boys3(n = 32) | Girls4(n = 18) | Group comparison | Bonferroni* | |
F | P | ||||||
Age (months) | 139.2 (23.2) | 149.4 (25.1) | 141.5 (22.6) | 148.5 (27.3) | F (3,126) = 1.50 | NS | |
Mother’s education (yrs) | 12.6 (2.3) | 12.9 (1.9) | 14.6 (2.5) | 14.6 (2.1) | F (3,126) = 6.80 | < .001 | 1 < 3,4; 2 < 3 |
FSIQ (WASI)a) | 94.3 (13.2) | 96.4 (15.5) | 101.9 (12.7) | 107.1 (13.1) | F (3,126) = 4.60 | = .004 | 1,2 < 4 |
Inattentionb) | 16.6 (5.8) | 15.0 (5.6) | 1.8 (2.1) | 1.4 (1.6) | F(3,125) = 95.50 | < .001 | 1,2 < 3,4 |
Hyperactivity/ Impulsivityc) | 10.2 (6.5) | 10.1 (6.7) | 1.1 (1.3) | 0.8 (1.4) | F (3,125) = 30.86 | < .001 | 1,2 < 3,4 |
CGASd) | 56.0 (8.4) | 59.3 (9.3) | t (78) = 2.82 | NS | |||