Table 1.
Description of Sample: Means and Standard Deviationsa
| Anxiety Only (n = 52) | Comorbid for ADHD* (n = 35) | ADHD Only (n = 21)** | Normal Controls (n = 35) | Total (n = 143) | |
| Age in Years | 9.42 (1.23) | 9.82 (1.27) | 9.60 (1.43) | 9.71 (1.32) | 9.61 (1.28) |
| Socioeconomic Status (Hollingshead Index [54]) | 48.45 (12.21) | 46.56 (15.46) | 44.22 (18.36) | 53.92 (8.85) | 48.19 (13.61) |
| Gender (% Males) | 66% | 74% | 81% | 63% | 69% |
| Handedness (% Right vs. Left/Mixed) | 67% | 53% | 70% | 74% | 64% |
| DSM-IV Conners' ADHD Symptom Index (t-score) Mother | 57.08 (11.09) | 69.00 (12.63) | 69.80 (7.00) | 49.50 (7.67)3 | 58.86 (12.81) |
| Report Teacher Report (n = 69) | 55.15 (12.35) | 61.11 (18.81) | 74.33 (11.68) | 50.08 (5.87)2 | 56.01 (14.60) |
| Multidimensional Anxiety Scale for Children (t-score) | 53.12 (1.08) | 54.97 (13.24) | 50.10 (11.00) | 46.23(10.09)2 | 51.52 (11.82) |
a standard deviations are shown in brackets; 1 p < .05, 2 p < .01, 3 p < .001
* 19 Inattentive Type; 16 Combined Type
** 11 Inattentive Type; 10 Combined Type