Table 3.
Cross-lagged models of log-transformed frequency of Cannabis use and log-transformed perceptions of risk from regular Cannabis use
| Model results | Model A: (Past-year use + risk perception) Standardized β(95% CI) |
Model B: (Past-month use + risk perceptions) Standardized β (95% CI) |
Model C: (Model A for T0 Never Users) Standardized β (95% CI) |
Model D: (Model A for T0 Ever Users) Standardized β (95% CI) |
|---|---|---|---|---|
| Risk perception at T0 on: | ||||
| Male vs female | −0.27 (−0.31, −0.24) | −0.27 (−0.31, −0.24) | −0.20 (−0.25, −0.15) | −0.29 (−0.34, −0.24) |
| Black vs White | −0.09 (−0.16, −0.02) | −0.09 (−0.16, −0.02)** | −0.21 (−0.32, −0.11) | −0.05 (−0.16, 0.05)ns |
| Hispanic vs White | 0.08 (0.02, 0.14)** | 0.08 (0.03, 0.14)** | −0.10 (−0.20, 0.01)ns | 0.24 (0.16, 0.31) |
| Other race vs White | 0.06 (−0.03, 0.13)* | 0.06 (0.00, 0.13)* | −0.09 (−0.20, 0.01)ns | 0.10 (0.00, 0.20) * |
| Risk perception at T1 on | ||||
| Risk perception at T0 | 0.35 (0.32, 0.39) | 0.38 (0.34, 0.41) | 0.33 (0.27, 0.39) | 0.34 (0.29, 0.39) |
| Cannabis use at T0 | −0.25 (−0.29, −0.22) | −0.22 (−0.25, −0.19) | --------------- | −0.23 (−0.27, −0.18) |
| Risk perception at T2 on | ||||
| Risk perception at T1 | 0.39 (0.35, 0.43) | 0.41 (0.37, 0.45) | 0.35 (0.29, 0.41) | 0.43 (0.37, 0.48) |
| Cannabis use at T1 | −0.26 (−0.30, −0.23) | −0.24 (−0.28, −0.21) | −0.23 (−0.29, −0.17) | −0.22 (−0.27, −0.17) |
| Risk perception at T3 on | ||||
| Risk perception at T2 | 0.46 (0.42, 0.49) | 0.48 (0.44, 0.52) | 0.45 (0.40, 0.51) | 0.45 (0.40, 0.50) |
| Cannabis use at T2 | −0.21 (−0.24, −0.17) | −0.18 (−0.21, −0.14) | −0.14 (−0.19, −0.09) | −0.21 (−0.25, −0.16) |
| Cannabis use at T0/T11 on | ||||
| Male vs female | 0.16 (0.13, 0.20) | 0.19 (0.16, 0.22) | 0.09 (0.02, 0.15)* | 0.19 (0.14, 0.24) |
| Black vs White | −0.21 (−0.26, −0.16) | −0.09 (−0.14, −0.04) | 0.01 (−0.12, 0.13) | −0.30 (−0.38, −0.21) |
| Hispanic vs White | −0.14 (−0.19, −0.09) | −0.14 (−0.16, −0.07) | −0.16 (−0.25, −0.06)ns | −0.25 (−0.33, −0.17) |
| Other race vs White | −0.20 (−0.25, −0.14) | −0.16 (−0.20, −0.11) | −0.08 (−0.18, 0.02) ns | −0.17 (−0.27, −0.06) |
| Cannabis use at T1 on | ||||
| Cannabis use at T0 | 0.65 (0.63, 0.676) | 0.60 (0.57, 0.63) | --------------- | 0.55 (0.52, 0.58) |
| Risk perception at T0 | −0.08 (−0.11, −0.056) | −0.10 (−0.13, −0.07) | −0.13 (−0.18, −0.08) | −0.06 (−0.10, −0.02) |
| Cannabis use at T2 on | ||||
| Cannabis use at T1 | 0.68 (0.66, 0.71) | 0.65 (0.61, 0.68) | 0.54 (0.48, 0.60) | 0.64 (0.60, 0.67) |
| Risk perception at T1 | −0.11 (−0.14, −0.08) | −0.10 (−0.14, −0.07) | −0.11 (−0.15, −0.06) | −0.13 (−0.17, −0.09) |
| Cannabis use at T3 on | ||||
| Cannabis use at T2 | 0.72 (0.69, 0.74) | 0.67 (0.64, 0.70) | 0.61 (0.56, 0.67) | 0.70 (0.67, 0.73) |
| Risk perception at T2 | −0.10 (−0.12, −0.07) | −0.09 (−0.12, −0.06) | −0.10 (−0.14, −0.05) | −0.11 (−0.14, −0.07) |
Note: All p < .001 unless otherwise inidcaterd;
*
p<=.05,
**
p<.01,
ns
p>.05.
1
Because T0 cannabis use was omitted from Model C, T1 use was regressed on demographic variables.