Table 5 Mixed effects regression models
Parameter Estimates | Model Parameters | |||||
|---|---|---|---|---|---|---|
Parameter | Estimate (C.I.) | P-Value | S.D. | AIC | BIC | logLik |
ADDITIVE MODELS | ||||||
 lme (ALL_Rate ~ Cannabis) |  |  |  |  | ||
  Cannabis | 0.33 (0.15, 0.51) | 0.0004 | 0.4689 | 872.1647 | 889.0866 | − 432.0824 |
Drugs | ||||||
 lme (ALL_Rate ~ Cigarettes + Cannabis + AUD + Analgesics + Cocaine) | ||||||
  Cannabis | 0.43 (0.23, 0.62) | 2.7E-05 | 0.4668 | 863.5448 | 884.6873 | − 426.7724 |
  Cocaine | 10.44 (2.01, 18.87) | 0.0156 |  |  |  |  |
Drugs, Income & Ethnicity | ||||||
 lme (ALL_Rate ~ Cigarettes + Cannabis + AUD + Analgesics + Cocaine + Income + 5_Races) | ||||||
  Hispanic | 0.45 (0.33, 0.57) | 2.7E-12 | 0.4478 | 813.8363 | 860.2190 | −395.9182 |
  Cigarettes | 5.21 (3.52, 6.9) | 3.0E-09 |  |  |  |  |
  Income | 1 (0.56, 1.44) | 1.2E-05 |  |  |  |  |
  Cannabis | 0.25 (0.06, 0.44) | 0.0095 |  |  |  |  |
  Analgesics | −4.44 (−9.7, 0.82) | 0.0986 |  |  |  |  |
  Asian-American | −0.14 (−0.29, 0.02) | 0.0833 |  |  |  |  |
  AIAN-American | −4.72 (−8.06, −1.39) | 0.0057 |  |  |  |  |
  African-American | −0.1 (− 0.17, − 0.03) | 0.0056 |  |  |  |  |
INTERACTIVE MODEL | ||||||
 lme (ALL_Rate ~ Cigarettes * Cannabis * AUD + Analgesics + Cocaine + Income + 5_Races) | ||||||
  Hispanic | 0.37 (0.28, 0.46) | 7.0E-15 | 0.4508 | 809.6203 | 851.8063 | −394.8101 |
  Cannabis: AUD | 7.95 (4.69, 11.22) | 2.5E-06 |  |  |  |  |
  AUD | 20.43 (11.44, 29.43) | 1.1E-05 |  |  |  |  |
  Income | 0.85 (0.47, 1.23) | 1.3E-05 |  |  |  |  |
  AIAN-American | −4.48 (−7.56, − 1.4) | 0.0045 |  |  |  |  |
  African-American | −0.12 (−0.19, − 0.06) | 0.0003 |  |  |  |  |
  Cigarettes: Cannabis | −1.83 (−2.52, − 1.15) | 2.6E-07 |  |  |  |  |