Table 2.
Correlations, Means, and Standard Deviations for Study Variables
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Race/Ethnic Marginalization (IS) | -- | ||||||||||
| 2. School Attachment (W1) | −.05 *** | -- | |||||||||
| 3. Depressive Symptoms (W1) | .02 | −.29 *** | -- | ||||||||
| 4. Marijuana Use (W2) | −.01 | −.12 *** | .14 *** | -- | |||||||
| 5. Marijuana Use (W1) | −.03 * | −.16 *** | .15 *** | .60 *** | -- | ||||||
| 6. Alcohol Use (W2) | −.04 *** | −.08 *** | .09 *** | .44 *** | .35 *** | -- | |||||
| 7. Alcohol Use (W1) | −.05 *** | −.10 *** | .15 *** | .38 *** | .46 *** | .54 *** | -- | ||||
| 8. Marijuana Use Never | .01 | .14 *** | −.16 *** | −.83 *** | −.63 *** | −.47 *** | −.43 *** | -- | |||
| 9. Marijuana Use Both Waves | −.02 | −.14 *** | .15 *** | .73 *** | .85 *** | .40 *** | .45 *** | −.74 *** | -- | ||
| 10. Alcohol Use Never | .04 *** | .09 *** | −.13 *** | −.39 *** | −.35 *** | −.80 *** | −.63 *** | .47 *** | −.39 *** | -- | |
| 11. Alcohol Use Both Waves | −.05 *** | −.11 *** | .14 *** | .41 *** | .42 *** | .69 *** | .83 *** | −.48 *** | .45 *** | −.76 *** | -- |
| M | .10 | 3.83 | 6.83 | .71 | .60 | 1.02 | .93 | .77 | .14 | .51 | .36 |
| SD | .31 | .81 | 5.67 | 1.61 | 1.42 | 1.44 | 1.34 | .42 | .35 | .50 | .48 |
Note: IS = In-School Wave; W1 = Wave I; W2 = Wave II. Sample size ranged from 6,123 to 7,731.
a
Correlations between the dichotomous substance use initiation variables and other study variables were point-biserial.
***
p < .001,
**
p < .01,
*
p < .05.