Table. Characteristics of Cannabis-Related Exposures Reported to US Poison Centers by Cannabis Product Type, January 2017 to December 2019.
| Characteristic | Exposures, No. (%) | P value | |||||
|---|---|---|---|---|---|---|---|
| Specific manufactured products | General product categories | ||||||
| Concentrates (n = 2734) | Vaporized liquids (n = 1075) | Edibles (n = 5537) | Other (n = 521) | Total manufactured (n = 9867) | Plant materials (n = 18 763) | ||
| Total | <.001 | ||||||
| 2017 | 275 (10.1) | 33 (3.1) | 697 (12.6) | 89 (17.1) | 1094 (11.1) | 7146 (38.1) | |
| 2018 | 1002 (36.7) | 151 (14.1) | 1943 (35.1) | 174 (33.4) | 3270 (33.1) | 6011 (32.0) | |
| 2019 | 1457 (53.3) | 891 (82.9) | 2897 (52.3) | 258 (49.5) | 5503 (55.8) | 5606 (29.9) | |
| Age group | <.001 | ||||||
| Children (<10 y) | 423 (16.6) | 77 (7.5) | 1905 (36.6) | 100 (20.3) | 2505 (27.0) | 1490 (8.4) | |
| Youth (10-20 y) | 999 (39.1) | 551 (53.6) | 1561 (30.0) | 95 (19.3) | 3206 (34.5) | 7.369 (41.3) | |
| Adults (≥21 y) | 1134 (44.4) | 400 (38.9) | 1746 (33.5) | 297 (60.4) | 3577 (38.5) | 8.984 (50.4) | |
| Caller site | <.001 | ||||||
| Health care facility | 1375 (50.3) | 644 (59.9) | 2676 (48.3) | 248 (47.6) | 4943 (50.1) | 13 624 (72.6) | |
| Residence | 1100 (40.2) | 373 (34.7) | 2230 (40.3) | 224 (43.0) | 3927 (39.8) | 3817 (20.3) | |
| Other | 243 (8.9) | 52 (4.8) | 570 (10.3) | 47 (9.0) | 912 (9.2) | 1206 (6.4) | |
| Unknown | 16 (0.6) | 6 (0.6) | 61 (1.1) | 2 (0.4) | 85 (0.9) | 115 (0.6) | |
| Coingestants | <.001 | ||||||
| Cannabis only | 2138 (78.2) | 633 (58.9) | 4898 (88.5) | 371 (71.2) | 8040 (81.5) | 7207 (38.4) | |
| Polysubstances | 596 (21.8) | 442 (41.1) | 639 (11.5) | 150 (28.8) | 1827 (18.5) | 11 556 (61.6) | |
| Medical outcomea | .001 | ||||||
| Minor or less | 1369 (64.0) | 365 (57.7) | 3114 (63.6) | 274 (73.9) | 5122 (63.7) | 4404 (61.1) | |
| Moderate or greater | 769 (36.0) | 268 (42.3) | 1784 (36.4) | 97 (26.2) | 2918 (36.3) | 2803 (38.9) | |
| Legal status of state (2019 exposures only)b | <.001 | ||||||
| Not legal | 946 (65.4) | 692 (78.0) | 1328 (46.5) | 153 (59.3) | 3119 (57.3) | 3806 (68.7) | |
| Rate per 100 000 | 0.40 | 0.29 | 0.56 | 0.07 | 1.33 | 1.62 | |
| Adult use legal | 501 (34.6) | 195 (22.0) | 1528 (53.5) | 105 (40.7) | 2329 (42.8) | 1735 (31.3) | |
| Rate per 100 000 | 0.54 | 0.21 | 1.64 | 0.11 | 2.50 | 1.86 | |
| Quarterly slope coefficients (95% CI)c | 35.2 (22.5 to 47.8) | 27.8 (13.1 to 42.4) | 67.8 (58.8 to 76.8) | 4.7 (1.7 to 7.7) | 33.9 (17.7 to 50.0) | −45.3 (−67.1 to −23.6) | <.001d |
a
Excludes cases with coingestants (ie, only includes cannabis exposures alone).
b
States with legal adult use in 2019 included: Alaska, California, Colorado, Illinois, Massachusetts, Maine, Michigan, Nevada, Oregon, Vermont, Washington State, and Washington, DC.6
c
Quarterly slope coefficients are from a linear regression of counts per quarter.
d
P value is for an interaction term between time and manufactured products group in a difference-in-difference model.