Table 2.
Marijuana Use and Emergency Department Utilization, Hospital Admission and Medical Comorbidity (n = 589)
| Independent variable | Unadjusted analysis OR (95 % CI) | Adjusted# analysis AOR (95 % CI) |
|---|---|---|
| Emergency department utilization (past 3 months) | ||
| Marijuana use | ||
| Daily (n = 169) | 0.83 (0.50, 1.39) | 0.67 (0.36, 1.24) |
| Less than daily (n = 324) | 0.74 (0.46, 1.18) | 0.69 (0.40, 1.18) |
| No use (n = 96) | 1 | 1 |
| Marijuana use | ||
| Any (n = 493) | 0.77 (0.49, 1.20) | 0.69 (0.40, 1.16) |
| No use (n = 96) | 1 | 1 |
| Exclusive* marijuana use (n = 340): | ||
| Daily (n = 129) | 1.05 (0.66, 1.66) | 0.89 (0.55, 1.43) |
| Less than daily (n = 211) | 1 | 1 |
| Hospital admission (past 3 months) | ||
| Marijuana use | ||
| Daily | 0.52 (0.25, 1.07) | 0.79 (0.35, 1.81) |
| Less than daily | 0.85 (0.46, 1.55) | 1.23 (0.63, 2.40) |
| No use (n = 91) | 1 | 1 |
| Marijuana use | ||
| Any (n = 463) | 0.73 (0.41, 1.31) | 1.13 (0.58, 2.18) |
| No use (n = 91) | 1 | 1 |
| Exclusive* marijuana use (n = 340): | ||
| Daily (n = 129). | 0.62 (0.30, 1.26) | 0.60 (0.29, 1.22) |
| Less than daily (n = 211) | 1 | 1 |
| Charlson index ≥ 1 | ||
| Marijuana use | ||
| Daily (n = 169) | 0.76 (0.45, 1.27) | 0.62 (0.33, 1.18) |
| Less than daily (n = 324) | 0.86 (0.54, 1.37) | 0.67 (0.38, 1.17) |
| No use (n = 96) | 1 | 1 |
| Marijuana use | ||
| Any (n = 463) | 0.83 (0.53, 1.29) | 0.66 (0.38, 1.14) |
| No use (n = 91) | 1 | 1 |
| Exclusive* marijuana use: | ||
| Daily (n = 129). | 0.75 (0.45, 1.20) | 0.86 (0.53, 1.38) |
| Less than daily (n = 211) | 1 | 1 |
*Exclusive marijuana use: exclusive marijuana use but no other drug use except alcohol
#Adjusted for age, sex, and any recent (past 3 months) other type of substance use, and any tobacco use (last year)