Table 3.
Repeated measures analyses of cannabis practices and other drug use by MCP transition group among young adult cannabis users in Los Angeles (n=301).
| Outcomes | AOR (95% CI) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | |||||||||
| Patient Status1 | Wave2 | Patient Status1 | Self- reported medical cannabis use3 |
|||||||
| MCP | Into MCP |
Out of MCP |
Wave 2 | Wave 3 | Wave 4 | MCP | Into MCP |
Out of MCP |
||
| Cannabis practices | ||||||||||
| Cannabis days4 | 1.49*** (1.33-1.67) |
1.29** (1.09-1.52) |
1.15* (1.00-1.32) |
0.93** (0.89-0.98) |
0.87*** (0.82-0.93) |
0.77*** (0.71-0.83) |
1.45*** (1.30-1.62) |
1.27** (1.07-1.50) |
1.15* (1.00-1.31) |
1.05** (1.02-1.08) |
| Concentrates use5 | 2.33*** (1.52-3.57) |
1.67 (0.89-3.13) |
1.49 (0.98-2.27) |
1.01 (0.77-1.32) |
1.11 (0.83-1.49) |
0.83 (0.62-1.13) |
2.36*** (1.54-3.59) |
1.67 (0.89-3.13) |
1.49 (0.98-2.27) |
0.98 (0.85-1.13) |
| Self-reported medical cannabis use | 2.02** (1.23-3.32) |
1.23 (0.66-2.28) |
1.31 (0.80-2.14) |
1.13 (0.83-1.54) |
0.98 (0.69- 1.39) |
1.14 (0.80-1.63) |
- | - | - | - |
| DUIC6 | 1.85* (1.13-3.02) |
1.20 (0.59-2.42) |
1.25 (0.80-1.97) |
0.79 (0.61-1.01) |
0.97 (0.77-1.22) |
0.69** (0.53-0.90) |
2.23** (1.30-3.82) |
1.28 (0.64-2.54) |
1.33 (0.84-2.10) |
0.71*** (0.59-0.86) |
| SDS4 | 1.20 (0.96-1.53) |
0.95 (0.68-1.34) |
1.03 (0.80-1.33) |
1.09 (0.97-1.23) |
1.09 (0.96-1.25) |
1.18* (1.03- 1.35) |
1.27 (1.00-1.61) |
0.98 (0.69-1.38) |
1.05 (0.81-1.35) |
0.92* (0.85-1.00) |
| Other drug use | ||||||||||
| Illicit drug use6 | 1.21 (0.74-1.95) |
1.80 (1.00-3.23) |
1.48 (0.93-2.38) |
1.08 (0.82-1.43) |
0.94 (0.70-1.26) |
0.72* (0.53-0.99) |
1.36 (0.83-2.24) |
1.89* (1.06-3.35) |
1.54 (0.96-2.47) |
0.77** (0.65-0.92) |
| Rx drug misuse6 | 0.91 (0.55-1.51) |
1.63 (0.83-3.20) |
1.20 (0.73-1.97) |
0.78 (0.55-1.11) |
0.73 (0.50-1.06) |
0.61* (0.41-0.90) |
0.95 (0.57-1.58) |
1.64 (0.84-3.20) |
1.22 (0.75-2.00) |
0.91 (0.76-1.09) |
| Polydrug use6 | 1.67* (0.99-2.82) |
2.07* (1.01-4.21) |
1.54 (0.90-2.63) |
0.99 (0.73-1.35) |
1.02 (0.73-1.42) |
- | 1.89* (1.11-3.24) |
2.18* (1.07-4.43) |
1.61 (0.94-2.75) |
0.77** (0.64-0.93) |
| DAST4-7 | 0.95 (0.74-1.24) |
1.21 (0.85-1.73) |
1.10 (0.86-1.41) |
- | 0.98 (0.88-1.10) |
0.79*** (0.68-0.90) |
0.99 (0.77-1.30) |
1.23 (0.86-1.76) |
1.12 (0.87-1.43) |
0.90* (0.82-0.99) |
| SMAST4,5,7 | 0.92 (0.72-1.17) |
1.04 (0.77-1.40) |
0.90 (0.70-1.17) |
- | 1.11 (0.99-1.24) |
1.16* (1.03-1.31) |
0.86 (0.68-1.10) |
1.01 (0.75-1.37) |
0.88 (0.68-1.15) |
1.09* (1.01-1.18) |
| Alcohol | 1.33 (0.85-2.06) |
1.15 (0.61-2.15) |
1.55* (1.01-2.36) |
0.90 (0.64-1.27) |
0.71 (0.50-1.03) |
0.26*** (0.18-0.36) |
1.43 (0.95-2.16) |
1.18 (0.66-2.11) |
1.59* (1.06-2.36) |
0.86* (0.76-0.99) |
| Cigarettes6 | 1.04 (0.63-1.70) |
1.34 (0.68-2.64) |
1.17 (0.73-1.89) |
1.01 (0.82-1.25) |
0.80 (0.62-1.02) |
0.62*** (0.49-0.80) |
1.16 (0.70-1.91) |
1.42 (0.72-2.81) |
1.23 (0.77-1.97) |
0.86 (0.72-1.02) |
| E-cigarettes5,6 | 1.09 (0.60-1.99) |
2.07 (0.97-4.43) |
1.87* (1.03-3.37) |
0.56*** (0.42-0.75) |
0.38*** (0.27-0.55) |
0.31*** (0.21-0.45) |
1.01 (0.56-1.81) |
1.90 (0.90-4.00) |
1.74 (0.98-3.07) |
1.10 (0.92-1.30) |
*
p<0.05,
**
p<0.01,
***
p>0.001.
1
NPU is a reference group.
2
Wave 1 is a reference group.
3
Longitudinal summary variable.
4
Negative binomial distribution with adjusted incidence rate ratios as estimates.
5
Adjusted for assigned sex at birth.
6
Adjusted for non-Hispanic White.
7
Wave 2 is a reference group. AOR - adjusted odds ratio; MCP - medical cannabis patients; NPU - non-patient user; DUIC - driving under influence of cannabis; SDS - Severity of Dependence Scale (cannabis); DAST - Drug Abuse Screening Test; SMAST - Short Michigan Alcohol Screening Test.