| |
Model 1 (n = 4596)
|
Model 2 (n = 4433)
|
Model 3 (n = 4415)
|
|---|
|
OR (95% CI)
|
OR (95% CI)
|
OR (95% CI)
|
|---|
|
Positive oral fluid test result
|
28.46 (13.86, 58.46)
|
12.10 (5.15, 28.41)
|
11.36 (7.32, 17.65)
|
|
Log(oral fluid THC) (log-ng/ml)
|
1.82 (1.48, 2.24)
|
1.93 (1.51, 2.47)
|
1.91 (1.68, 2.17)
|
|
Blood alcohol concentration (ng/dl)
|
|
0
| |
Ref
|
Ref
|
|
1–39
| |
0.88 (0.20,3.82)
|
0.85 (0.39, 1.82)
|
|
40+
| |
0.19 (0.05, 0.72)
|
0.19 (0.10, 0.38)
|
|
Last time used marijuana
|
|
Over a year/Never
| |
Ref
|
Ref
|
|
Over a Month
| |
3.87 (2.26, 6.61)
|
3.91 (2.95, 5.16)
|
|
Past 2 days to a month
| |
8.78 (5.40, 14.26)
|
8.78 (6.81, 11.33)
|
|
Past 24 Hours
| |
25.16 (14.26, 44.41)
|
26.44 (19.64, 34.59)
|
|
Age (years)
|
|
16–20
| | |
Ref
|
|
21–34
| | |
1.27 (0.96, 1.68)
|
|
35–54
| | |
1.16 (0.84, 1.59)
|
|
≥ 55
| | |
0.96 (0.63, 1.45)
|
|
Gender (Male vs. Female)
| | |
0.99 (0.81, 1.20)
|
|
Race
|
|
Black
| | |
Ref
|
|
White
| | |
0.57 (0.46, 0.71)
|
|
Other Race
| | |
0.69 (0.52, 0.91)
|
|
AUC (95% CI)
|
0.87 (0.82, 0.91)
|
0.94 (0.91, 0.97)
|
0.95 (0.92, 0.98)
|
