Table 3.
Prevalence of Past 12-Month Users Who Reported the Tetrahydrocannabinol and Cannabidiol Levels of the Product They Usually Use
| Product | Canada |
US illegal states |
US legal states |
Illegal states vs. Canada (ref) |
Legal states vs. Canada (ref) |
Legal vs. illegal states (ref) |
|---|---|---|---|---|---|---|
| % (n) | AOR (95% CI), p-value | |||||
| THC | ||||||
| Dried herb (n=5017) | 11.4% (214) | 7.0% (107) | 18.3% (295) | 0.57 (0.41–0.79), <0.001 | 1.58 (1.19–2.09), <0.001 | 2.77 (2.01–3.81), <0.001 |
| Oil - oral (n=1330) | 28.0% (140) | 19.2% (73) | 26.1% (117) | 0.59 (0.38–0.92), 0.019 | 0.89 (0.58–1.36), 0.586 | 1.50 (0.93–2.42), 0.093 |
| Oil - vaped (n=1846) | 13.1% (63) | 14.1% (78) | 22.0% (179) | 1.02 (0.61–1.71), 0.944 | 1.85 (1.16–2.95), 0.010 | 1.82 (1.17–2.82), 0.008 |
| Edibles/foods (n=2665) | 14.5% (127) | 12.7% (89) | 23.6% (256) | 0.82 (0.56–1.20), 0.307 | 1.73 (0.98–1.00), 0.002 | 2.11 (1.48–3.01), <0.001 |
| Concentrates (n=1110) | 14.1% (54) | 19.2% (54) | 22.5% (101) | 1.22 (0.67–2.23), 0.523 | 1.84 (1.03–3.27), 0.039 | 1.51 (0.87–2.62), 0.154 |
| Hash/kief (n=1365) | 8.2% (47) | 10.7% (35) | 17.3% (81) | 1.26 (0.64–2.47), 0.506 | 2.56 (1.38–4.76), 0.003 | 2.04 (1.08–3.85), 0.029 |
| Drinks (n=624) | 14.9% (25) | 22.2% (33) | 28.4% (87) | 1.20 (0.55–2.62), 0.651 | 2.09 (1.06–4.13), 0.034 | 1.74 (0.88–3.44), 0.109 |
| Tinctures (n=505) | 22.9% (32) | 22.6% (26) | 31.9% (80) | 0.88 (0.37–2.07), 0.765 | 1.49 (0.69–3.19), 0.310 | 1.69 (0.85–3.37), 0.135 |
| Topicals (n=798) | 18.7% (39) | 19.5% (36) | 22.8% (92) | 1.04 (0.54–2.04), 0.899 | 1.32 (0.70–2.49), 0.389 | 1.27 (0.69–2.32), 0.447 |
| CBD | ||||||
| Dried herb (n=5017) | 9.7% (182) | 6.3% (95) | 14.3% (231) | 0.59 (0.42–0.84), 0.003 | 1.39 (1.02–1.88), 0.035 | 2.34 (1.66–3.30), <0.001 |
| Oil - oral (n=1330) | 27.2% (137) | 19.8% (75) | 25.6% (115) | 0.65 (0.42–1.01), 0.052 | 0.91 (0.59–1.38), 0.649 | 1.39 (0.87–2.24), 0.168 |
| Oil - vaped (n=1846) | 11.1% (53.1) | 13.1% (73) | 17.7% (144) | 1.11 (0.65–1.92), 0.702 | 1.67 (1.03–2.72), 0.038 | 1.51 (0.95–2.40), 0.085 |
| Edibles/foods (n=2665) | 10.0% (88) | 9.8% (69) | 17.0% (185) | 0.94 (0.60–1.46), 0.773 | 1.73 (1.16–2.58), 0.007 | 1.85 (1.23–2.79), 0.003 |
| Concentrates (n=1110) | 12.5% (48) | 19.4% (55) | 17.8% (79) | 1.41 (0.76–2.63), 0.277 | 1.53 (0.83–2.84), 0.177 | 1.08 (0.61–1.91), 0.781 |
| Hash/kief (n=1365) | 8.0% (45) | 10.5% (34) | 15.5% (73) | 1.24 (0.62–2.46), 0.542 | 2.27 (1.20–4.28), 0.012 | 1.83 (0.94–3.54), 0.073 |
| Drinks (n=624) | 11.2% (19) | 22.1% (33) | 23.2% (71) | 1.60 (0.70–3.68), 0.264 | 2.15 (1.02–4.53), 0.044 | 1.34 (0.67–2.68), 0.406 |
| Tinctures (n=505) | 19.5% (27) | 22.2% (25) | 33.2% (83) | 1.04 (0.42–2.56), 0.932 | 1.88 (0.85–4.18), 0.122 | 1.81 (0.90–3.63), 0.096 |
| Topicals (n=798) | 16.5% (35) | 19.4% (36) | 23.2% (94) | 1.20 (0.60–2.37), 0.609 | 1.57 (0.82–3.00), 0.177 | 1.31 (0.72–2.40), 0.383 |
Significant differences between jurisdictions (p < 0.05) are indicated in bold.
THC, tetrahydrocannabinol; CBD, cannabidiol.