Table 3.
Variables | Bivariate |
N1 |
N2 |
N3 |
N4 |
|||||
---|---|---|---|---|---|---|---|---|---|---|
eb | (t) | eb | (t) | eb | (t) | eb | (t) | eb | (t) | |
Classification | ||||||||||
Early-onset marijuana use | 6.89 | (6.87)*** | ||||||||
Adolescent-onset marijuana use | 6.48 | (7.80)*** | ||||||||
Fundamental causes/backgrounda | ||||||||||
Age at Wave 6 | 1.63 | (4.79)*** | 1.64 | (4.76)*** | 1.56 | (4.23)*** | 1.37 | (2.88)** | 1.45 | (2.92)** |
Stressorsb | ||||||||||
Negative events (z) | 1.39 | (3.75)*** | 1.33 | (2.93)** | 1.25 | (2.25)* | 1.07 | (.66) | 1.08 | (.65) |
Perceived discrimination (z) | 1.27 | (2.79)** | 1.12 | (1.22) | 1.10 | (1.00) | 1.04 | (.41) | 1.04 | (.37) |
Parent alcohol abuse (ever) | 1.52 | (2.17)* | 1.19 | (.84) | 1.11 | (.51) | 1.10 | (.46) | 1.00 | (.01) |
Parent major depression (ever) | 1.72 | (2.57)* | 1.68 | (2.17)* | 1.59 | (1.92)+ | 1.47 | (1.59) | 1.52 | (1.57) |
Supportc | ||||||||||
Psychosocial | ||||||||||
Positive school attitudes (z) | .70 | (4.21)*** | .81 | (2.21)* | .86 | (1.55) | .91 | (.91) | ||
Feelings of anger (z) | 1.28 | (2.69)** | 1.07 | (.62) | 1.07 | (.66) | 1.01 | (.09) | ||
Depressive symptoms (z) | 1.39 | (3.38)** | 1.11 | (.90) | .99 | (.06) | .93 | (.59) | ||
Friend delinquency (z) | 2.04 | (7.40)*** | 1.73 | (4.63)*** | 1.43 | (2.69)** | ||||
Intercept | −1.069 | (11.43)*** | −1.083 | (11.42)*** | −1.122 | (11.38)*** | −1.940 | (13.19)*** |
Notes: Variables are entered in groups in models N1–N4. Coefficients for the intercept are logit coefficients; other coefficients are odds-ratios.
The other background characteristics were not significant so they have been omitted.
The other stressor variables were not statistically significant.
The social support measures were not statistically significant.
p < .1.
p < .05.
p < .01.
p < .001.