Table 2.
“Be Under Your Own Influence” (Intervention) and “Above the Influence”(ONDCP) campaign effects on marijuana uptake: multi-level latent growth model results
| Estimate | SE | z. value | Pr(z) | OR | |
|---|---|---|---|---|---|
| Marijuana Uptake | |||||
| Intercept | −2.308 | 0.187 | −12.346 | <0.0005 | 0.099 |
| Community treatment | −0.511 | 0.230 | −2.223 | 0.026 | 0.600 |
| School treatment | −0.251 | 0.232 | −1.081 | 0.280 | 0.778 |
| Time | 1.325 | 0.195 | 6.788 | <0.0005 | 3.760 |
| Foil exposure | −0.306 | 0.176 | −1.738 | 0.082 | 0.737 |
| Above the Influence (AI) Exposure | −1.348 | 0.157 | −8.602 | <0.0005 | 0.260 |
| School × Community treatment | 0.174 | 0.334 | 0.520 | 0.603 | 1.190 |
| Community treatment × time | 0.365 | 0.250 | 1.458 | 0.145 | 1.441 |
| School treatment × time | 0.385 | 0.252 | 1.525 | 0.127 | 1.469 |
| Foil exposure × time | 0.010 | 0.182 | 0.057 | 0.955 | 1.010 |
| AI Exposure × time | 0.343 | 0.169 | 2.031 | 0.042 | 1.409 |
| School × Community × time | 0.078 | 0.367 | 0.214 | 0.830 | 1.082 |
See note to Table 1 re sample sizes