Model 1 | Model 2 | Model 3 | Model 4 | |
---|---|---|---|---|
Co-use of alcohol and marijuana | ||||
SAM vs. Concurrent | 1.59, (1.18, 2.13)** | 1.69, (1.22, 2.35)** | 1.62, (1.21, 2.18)** | 1.68, (1.25, 2.27)*** |
Marijuana use frequency | ||||
Regular vs. Infrequent | 1.89, (0.97, 3.71) | - | 1.68, (0.84, 3.38) | 1.67, (0.83, 3.36) |
Daily/near daily vs. Infrequent | 6.88, (3.76, 12.58)*** | - | 5.2, (2.79, 9.69)*** | 5.1, (2.71, 9.57)*** |
Daily/near daily vs. Regular | 3.63, (2.22, 5.93)*** | - | 3.09, (1.94, 4.91)*** | 3.05, (1.91, 4.85)*** |
Log marijuana daily quantity | - | 1.33, (1.18, 1.48)*** | 1.1, (1, 1.21) | 1.1, (0.99, 1.21) |
Log alcohol volume | - | - | - | 0.98, (0.87, 1.09) |
Time to nearest marijuana outlet | 0.99, (0.98, 1.01) | 1, (0.98, 1.01) | 1, (0.98, 1.01) | 1, (0.98, 1.01) |
Medical marijuana recommendation (ref: no) | ||||
Have medical recommendation | 0.8, (0.51, 1.25) | 0.91, (0.59, 1.41) | 0.81, (0.53, 1.25) | 0.8, (0.52, 1.24) |
Sex (ref: male) | ||||
Female | 0.86, (0.53, 1.38) | 0.87, (0.54, 1.4) | 0.9, (0.55, 1.46) | 0.89, (0.55, 1.45) |
Race/ethnicity (ref: White) | ||||
Black | 1.09, (0.33, 3.64) | 1.01, (0.28, 3.67) | 1.02, (0.3, 3.44) | 1.05, (0.31, 3.53) |
Hispanic | 1.05, (0.31, 3.6) | 1.16, (0.43, 3.15) | 1.05, (0.3, 3.67) | 1.07, (0.31, 3.7) |
Others/missing | 1.59, (0.86, 2.94) | 1.82, (0.92, 3.59) | 1.67, (0.92, 3.03) | 1.65, (0.9, 3.03) |
Education (ref: less than high school) | ||||
Some college or more | 0.98, (0.6, 1.61) | 0.96, (0.59, 1.56) | 1.01, (0.61, 1.67) | 1.02, (0.62, 1.68) |
Age group (ref: 18–29) | ||||
30–49 | 0.55, (0.31, 0.99)* | 0.47, (0.27, 0.8)** | 0.56, (0.32, 0.98)* | 0.55, (0.31, 0.98)* |
>=50 | 0.55, (0.28, 1.07) | 0.55, (0.29, 1.07) | 0.57, (0.3, 1.08) | 0.56, (0.3, 1.06) |
Onset age of marijuana use (ref: >=26) | ||||
<=17 | 0.83, (0.35, 1.96) | 0.75, (0.32, 1.76) | 0.8, (0.34, 1.87) | 0.79, (0.34, 1.83) |
18–25 | 0.66, (0.26, 1.66) | 0.53, (0.21, 1.31) | 0.64, (0.26, 1.59) | 0.64, (0.27, 1.5) |
Family annual income (ref: >80,000) | ||||
<50,000 | 0.75, (0.43, 1.31) | 0.85, (0.5, 1.43) | 0.71, (0.41, 1.21) | 0.71, (0.41, 1.22) |
$50,000–80,000 | 0.74, (0.37, 1.46) | 0.95, (0.48, 1.89) | 0.72, (0.37, 1.42) | 0.73, (0.37, 1.43) |
Marital status (ref: unmarried) | ||||
Married | 0.6, (0.39, 0.92)* | 0.67, (0.42, 1.07) | 0.6, (0.39, 0.93)* | 0.6, (0.38, 0.93)* |
Employment status (ref: unemployed/retired/etc.) | ||||
Full-time or part-time | 1.04, (0.59, 1.85) | 0.92, (0.53, 1.61) | 1.02, (0.59, 1.77) | 1.03, (0.58, 1.82) |
Survey cycle [ref: panel 1 (Sept.-Nov. 2014)] | ||||
Panel 2 (March-June 2015) | 0.78, (0.49, 1.23) | 0.94, (0.54, 1.62) | 0.79, (0.5, 1.25) | 0.78, (0.5, 1.24) |
Panel 3 (August-Oct. 2015) | 1.13, (0.78, 1.66) | 1.46, (0.89, 2.38) | 1.16, (0.78, 1.73) | 1.17, (0.78, 1.74) |
Panel 4 (March-April 2016) | 0.81, (0.56, 1.19) | 1, (0.62, 1.63) | 0.82, (0.55, 1.22) | 0.83, (0.56, 1.23) |