Table 1.
Prevalence of MUDs among past‐year marijuana users aged ≥ 18 years (N = 6917)
| Selected variables, % (SE) | Marijuana dependence | Marijuana abuse | Marijuana subthresholddependence | Marijuana use without symptoms | χ 2 (df) p‐Value |
|---|---|---|---|---|---|
| Sample size | n = 853 | n = 419 | n = 1909 | n = 3736 | |
| Overall | 9.6 (0.52) | 5.3 (0.37) | 24.2 (0.93) | 60.9 (1.08) | |
| Gender | |||||
| Male | 10.0 (0.61) | 6.3 (0.54) | 28.1 (1.39) | 55.7 (1.42) | 47.3 (3) |
| Female | 9.1 (0.69) | 3.8 (0.52) | 18.6 (1.21) | 68.5 (1.48) | <0.01 |
| Age in years | |||||
| 18–25 | 13.6 (0.73) | 6.6 (0.40) | 29.0 (0.80) | 50.8 (1.07) | 90.5 (6) |
| 26–35 | 10.6 (1.44) | 5.0 (1.14) | 25.1 (1.58) | 59.4 (2.21) | <0.01 |
| 35 or older | 4.5 (0.90) | 3.9 (0.88) | 18.3 (2.26) | 73.3 (2.36) | |
| Race/ethnicity | |||||
| White | 8.5 (0.54) | 5.1 (0.50) | 24.0 (1.01) | 62.4 (1.30) | 32.4 (9) |
| African‐American | 12.3 (1.71) | 5.0 (1.15) | 29.9 (3.09) | 52.8 (2.81) | <0.01 |
| Hispanic | 13.4 (2.01) | 7.6 (1.39) | 19.8 (1.80) | 59.3 (2.59) | |
| Other | 8.1 (2.30) | 3.2 (0.84) | 19.5 (3.96) | 69.3 (4.49) | |
| Education | |||||
| < High school | 12.1 (1.52) | 9.6 (1.44) | 29.3 (1.68) | 49.0 (2.70) | 53.5 (6) |
| High school | 11.8 (1.14) | 5.8 (0.73) | 26.3 (1.65) | 56.1 (1.82) | <0.01 |
| ≥ College | 7.5 (0.58) | 3.6 (0.44) | 21.4 (1.35) | 67.5 (1.58) | |
| Family income | |||||
| < $40,000 | 10.9 (0.80) | 6.0 (0.59) | 27.2 (1.02) | 55.9 (1.37) | 15.5 (6) |
| $40,000–$74,999 | 9.2 (1.20) | 4.7 (0.80) | 23.8 (1.56) | 62.3 (1.97) | <0.05 |
| ≥ $75,000 | 7.8 (0.96) | 4.7 (0.78) | 19.5 (2.22) | 68.0 (2.83) |
Note: Sample sizes are unweighted; all other results are weighted figures. Df, degrees of freedom; SE, standard error.