Table 1.
1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | 11. | |
---|---|---|---|---|---|---|---|---|---|---|---|
1. Grade 9 Marijuana | 1.00 | ||||||||||
2. Grade 10 Marijuana | 0.50** | 1.00 | |||||||||
3. Grade 11 Marijuana | 0.32** | 0.72** | 1.00 | ||||||||
4. Grade 12 Marijuana | -0.03 | 0.44** | 0.58** | 1.00 | |||||||
5. Grade 8 BSSS | 0.09 | 0.03 | 0.18 | 0.35** | 1.00 | ||||||
6. Grade 8 EIS | 0.06 | 0.13 | 0.20 | 0.33** | 0.40** | 1.00 | |||||
7. Grade 8 BART-Y Explosions | 0.01 | 0.04 | 0.10 | 0.32** | 0.08 | 0.04 | 1.00 | ||||
8. Ethnicity | -0.15* | 0.04 | 0.08 | 0.06 | 0.10 | -0.01 | 0.24** | 1.00 | |||
9. Age | 0.13 | 0.17* | 0.23* | 0.14 | 0.07 | 0.05 | 0.03 | -0.10 | 1.00 | ||
10. Maternal Education | -0.11 | -0.05 | 0.07 | -0.01 | 0.03 | -0.07 | 0.13 | 0.30** | -0.06 | 1.00 | |
11. Sex | 0.19** | 0.15 | 0.07 | 0.05 | -0.01 | -0.08 | 0.02 | 0.04 | 0.08 | -0.05 | 1.00 |
M (SD) | 0.27 (0.84) | 0.54 (1.13) | 0.86 (1.30) | 0.89 (1.35) | 15.14 (5.21) | 8.58 (4.36) | 10.27 (4.31) | 0.49 (0.50) | 13.12 (0.56) | 5.46 (1.64) | 0.56 (.50) |
Note. Marijuana use variables are un-transformed for interpretability; BSSS, Brief Sensation Seeking Scale; EIS, Eysenck Impulsivity Scale; White is coded 1 = white, 0 = non-white; Sex is coded 0 = female, 1 = male.
p < .05,
p < .01.