Table 7.
Past year age defined binge and marijuana use × BRIEF scales.
| Age defined binges | Marijuana use | |||||
|---|---|---|---|---|---|---|
| No n = 626 | Yes n = 100 | F | No n = 621 | Yes n = 104 | F | |
| Inhibitory control | 43.2 ± 8.6 | 46.1 ± 9.6 | 11.1c | 43.1 ± 8.5 | 46.5 ± 9.9 | 12.2c |
| Flexibility | 45.7 ± 10.7 | 48.0 ± 11.4 | 4.4 | 45.6 ± 10.6 | 48.3 ± 11.5 | 4.9 |
| Emotional control | 45.3 ± 9.5 | 46.9 ± 9.5 | 3.4 | 45.1 ± 9.1 | 48.1 ± 9.3 | 8.4c |
| Monitoring | 44.8 ± 8.8 | 47.3 ± 9.8 | 6.5 | 44.8 ± 8.8 | 47.4 ± 9.3 | 5.5 |
| Behavioral regulation | 43.4 ± 9.4 | 46.3 ± 9.9 | 8.7b | 43.2 ± 9.4 | 47.0 ± 10.2 | 11.0b |
| Working memory | 45.3 ± 10.5 | 47.4 ± 9.5 | 4.4 | 45.1 ± 10.4 | 48.0 ± 10.1 | 5.3 |
| Task plan | 45.1 ± 10.4 | 48.1 ± 10.7 | 5.5 | 45.0 ± 10.5 | 48.6 ± 10.1 | 7.5c |
| Orderly | 45.4 ± 9.7 | 48.1 ± 9.6 | 3.7 | 45.3 ± 9.8 | 48.2 ± 9.3 | 4.5 |
| Task completion | 45.8 ± 9.8 | 48.2 ± 11.1 | 3.7 | 45.8 ± 10.0 | 48.3 ± 10.4 | 2.7 |
| Metacognition | 44.7 ± 10.6 | 47.6 ± 10.8 | 5.6b | 44.6 ± 10.7 | 48.8 ± 10.3 | 6.2b |
| Global composite | 43.6 ± 10.4 | 46.8 ± 10.6 | 7.4a | 43.5 ± 10.4 | 47.4 ± 10.5 | 9.1a |
Binge: d.f. 1, 721; covariates: sex, age, SES; Marijuana: d.f. 1, 720.
a
p < 0.05 for test of Composite.
b
p < 0.025 for 2 tests of Indexes.
c
p < 0.0064 for 8 tests of Scales.