Table 1.
Demographics Among Those Without Any Substance Use Disorders or an Endorsement of Cigarette Smoking at the 4/5-year Follow-up (N=343)
| ADHD (N=174) | Control (N=169) | t | p-value | |
|---|---|---|---|---|
| Age | 14.46 ± 3.21 | 15.67 ± 3.30 | 3.44 | <0.001 |
| Socioeconomic Status | 1.82 ± 0.89 | 1.59 ± 0.81 | −2.55 | 0.01 |
| Intelligence Quotient (IQ) | 105.69 ± 14.32 | 115.21 ± 12.16 | 6.51 | <0.01 |
| N (%) | N (%) | χ2 | ||
| Gender (% male) | 97 (56) | 87 (51) | 0.63 | 0.43 |
| Lifetime Comorbidity | ||||
| Conduct Disorder | 7 (4) | 2 (1) | 2.71 | 0.10 |
| Mood Disorders a | 12 (7) | 2 (1) | 7/15 | <0.01 |
| Multiple Anxiety Disorders b | 49 (28) | 14 (8) | 22.58 | <0.01 |
| Oppositional Defiant Disorder | 71 (41) | 7 (4) | 65.59 | <0.01 |
Note: ADHD=attention deficit/hyperactivity disorder
a
includes major depression, bipolar disorder
b
includes generalized anxiety disorder, panic disorder, social phobia, simple phobia, agoraphobia, obsessive compulsive disorder, post traumatic stress disorder, separation anxiety, and avoidance disorder