Table 1.
Descriptive Information and Differences in Predictor and Outcome Variables for Participants with and without childhood ADHD.
| ADHD | No ADHD | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Mean | SD | Mean | SD | t-test | Cohen’s d | |
| Outcomes | ||||||
| Heavy Alcohol Use | 1.84 | 1.62 | 1.43 | 1.06 | −2.24* | .30 |
| Smoking Quantity | 2.00 | 1.32 | 1.39 | .95 | −3.32* | .53 |
| Marijuana Use | 2.74 | 6.16 | .67 | 3.55 | −2.65** | .41 |
| Delinquency | 3.96 | 3.88 | 1.00 | 1.66 | −7.08*** | .99 |
| Predictors | ||||||
| Parental Knowledge | 3.44 | .97 | 3.77 | .73 | 2.95* | .38 |
| Parental Consistency | 3.41 | .72 | 3.61 | .66 | 2.17* | .29 |
| Parental Support | 3.25 | .74 | 3.64 | .64 | 4.22*** | .56 |
| Parental Conflict | 3.06 | .29 | 3.20 | .21 | 3.90*** | .55 |
+
p<.10,
*
p<.05,
**
p<.01,
***
p<.001
For all of the parenting measures, a higher score is equal to better parenting behavior; including conflict (i.e. higher score on the conflict measure means less conflict in parent-adolescent relationship).