Table 3.
Estimates for Cannabis Use and Body Mass Index Growth Curve Models
| Path | Standardized estimate (standard error) | Unstandardized estimate (standard error) | p | Model fit |
|||
|---|---|---|---|---|---|---|---|
| CFI | RMSEA | AIC | SABIC | ||||
| Unadjusted model | |||||||
Cannabis use slope  BMI slope |
−0.256 (0.090) | −0.004 (0.001) | 0.004 | 0.98 | 0.047 | 21,181.350 | 21,197.768 |
Cannabis use slope  cannabis use intercept |
0.076 (0.095) | 32.498 (38.375) | 0.425 | ||||
| BMI intercept cannabis use intercept |
0.029 (0.059) | 0.936 (1.907) | 0.622 | ||||
| BMI intercept cannabis use slope |
0.224 (0.065) | 2.073 (0.638) | 0.001 | ||||
| Demographic-adjusted model | |||||||
| Cannabis use slope BMI slope |
−0.257 (0.090) | −0.004 (0.001) | 0.004 | 0.98 | 0.052 | 20,350.026 | 20,368.19 |
| Cannabis use slope cannabis use intercept |
0.076 (0.095) | 32.714 (38.412) | 0.394 | ||||
| BMI intercept cannabis use intercept |
0.028 (0.059) | 0.911 (1.908) | 0.632 | ||||
| BMI intercept cannabis use slope |
0.225 (0.065) | 2.077 (0.638) | 0.001 | ||||
| Ethnicity BMI slope |
0.048 (0.090) | 0.027 (0.050) | 0.596 | ||||
| Depression-adjusted model | |||||||
| Cannabis use slope BMI slope |
−0.251 (0.094) | −0.004 (0.002) | 0.007 | 0.97 | 0.049 | 20,350.026 | 20,368.19 |
| Cannabis use slope cannabis use intercept |
0.108 (0.101) | 45.739 (38.990) | 0.281 | ||||
| BMI intercept cannabis use intercept |
0.027 (0.062) | 0.862 (1.961) | 0.653 | ||||
| BMI intercept cannabis use slope |
0.209 (0.066) | 1.874 (0.625) | 0.002 | ||||
| Ethnicity BMI slope |
0.047 (0.092) | 0.027 (0.051) | 0.608 | ||||
| Depression T1 BMI T1 |
−0.005 (0.023) | −0.005 (0.023) | 0.840 | ||||
| Depression T3 BMI T3 |
0.002 (0.024) | 0.002 (0.022) | 0.946 | ||||
| Depression T5 BMI T5 |
−0.006 (0.028) | −0.006 (0.029) | 0.839 | ||||
| Alcohol and tobacco-adjusted model | |||||||
| Cannabis use slope BMI slope |
−0.212 (0.093) | −0.003 (0.001) | 0.023 | 0.95 | 0.048 | 20,358.170 | 20,380.876 |
| Cannabis use slope cannabis use intercept |
0.106 (0.101) | 44.807 (39.274) | 0.294 | ||||
| BMI intercept cannabis use intercept |
0.026 (0.062) | 0.817 (1.974) | 0.678 | ||||
| BMI intercept cannabis use slope |
0.206 (0.066) | 1.847 (0.622) | 0.002 | ||||
| Ethnicity BMI slope |
0.057 (0.095) | 0.032 (0.51) | 0.545 | ||||
| Depression T1 BMI T1 |
−0.004 (0.023) | −0.004 (0.022) | 0.848 | ||||
| Depression T3 BMI T3 |
0.002 (0.025) | 0.002 (0.023) | 0.921 | ||||
| Depression T5 BMI T5 |
0.001 (0.026) | 0.001 (0.027) | 0.964 | ||||
| Alcohol use T1 BMI T1 |
−0.008 (0.023) | −0.001 (0.002) | 0.727 | ||||
| Alcohol use T3 BMI T3 |
−0.018 (0.023) | −0.001 (0.002) | 0.433 | ||||
| Alcohol use T5 BMI T5 |
−0.012 (0.021) | −0.001 (0.001) | 0.567 | ||||
| Tobacco use T1 BMI T1 |
0.020 (0.024) | 0.001 (0.001) | 0.409 | ||||
| Tobacco use T3 BMI T3 |
0.006 (0.020) | 0.000 (0.001) | 0.784 | ||||
| Tobacco use T5 BMI T5 |
−0.039 (0.025) | −0.001 (0.001) | 0.112 | ||||
Bolded paths indicate significance at p<0.05. Unidirectional arrows represent regression paths and bidirectional arrows represent correlations.