Table 3.
Group Comparison on Nicotine Addiction Symptom Severity Measures for Three Waves of Data
| ADHD- Externalizers |
ADHD-Only | Comparison | ADHD main effect |
|||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | F | p | |
| Time 4 | 3.84a | 4.15 | 2.04 | 3.40 | 1.99a | 3.07 | 5.28 | .006 |
| Time 5 | 3.98b | 4.09 | 2.52 | 3.36 | 2.36b | 3.39 | 7.33 | .001 |
| Time 6 | 4.12c | 4.03 | 2.40 | 3.76 | 2.12c | 3.34 | 4.15 | .017 |
Note. ANCOVAs were conducted with ADHD group as independent variable with age, gender and current stimulant medication use as covariates.
a
Significant post hoc comparison pair at p < .01 with Bonferroni corrections
b
Significant post hoc comparison pair at p < .001 with Bonferroni corrections
c
Significant post hoc comparison pair at p < .05 with Bonferroni corrections