Table 5b:
Parameter | Estimate | Standard Error | IRR; 95% Confidence Limits | Wald Chi-Square | ||
---|---|---|---|---|---|---|
Low | IRR | High | ||||
Intercept | −1.44 | 0.28 | −1.98 | −0.90 | 27.19*** | |
Peer Norms | 0.004 | 0.00 | −0.002 | 0.01 | 1.62 | |
Friend Norms | 0.43 | 0.07 | 0.29 | 0.57 | 38.65*** | |
Male | 0.04 | 0.11 | −0.18 | 0.25 | 0.10 | |
White | −0.04 | 0.13 | −0.31 | 0.22 | 0.11 | |
Asian | −0.30 | 0.19 | −0.68 | 0.08 | 2.43 | |
School A | 0.09 | 0.15 | −0.19 | 0.38 | 0.41 | |
School C | 0.40 | 0.14 | 0.12 | 0.68 | 7.68** | |
Fairly Easy Access | 0.56 | 0.21 | 0.16 | 0.97 | 7.32** | |
Very Easy Access | 0.66 | 0.21 | 0.25 | 1.07 | 9.82** | |
SAM Frequency | 0.06 | 0.01 | 0.04 | 0.07 | 55.53*** | |
Dispersion | 2.96 | 0.20 | 2.59 | 3.38 | - |
Notes: IRR = Incidence rate ratio. Alcohol and marijuana frequency are measured in the past 30 days (5a). SAM frequency is measured in the past 3 months (5b). Other is the reference group for White and Asian. Female is the reference group for male; those who selected a non-binary gender identity (n = 29) were eliminated from these analyses. School B (decriminalized) is the reference group for School A (illegal) and School C (legal for 21+). Difficult access to marijuana is the reference group for Fairly Easy and Very Easy access.
p < .05;
p < .01;
p < .001.