Table 1. Cohort characteristics and prevalence of cannabis-related ED visits over the study period (n = 14,900,820).
| Ontario | Northern Ontario | Southern Ontario | ||||
|---|---|---|---|---|---|---|
| Number of people in Registered persons dataset | Number of people with 1 or more cannabis-related ED visits (row %) | Number of people in Registered persons dataset | Number of people with 1 or more cannabis-related ED visits (row %) | Number of people in Registered persons dataset | Number of people with 1 or more cannabis-related ED visits (row %) | |
| Women | ||||||
| 18–24 | 611438 | 5066 (0.83%) | 33417 | 366 (1.10%) | 578021 | 4700 (0.81%) |
| 25–44 | 2044802 | 4793 (0.23%) | 101728 | 370 (0.36%) | 1943074 | 4423 (0.23%) |
| 45–64 | 2117535 | 2176 (0.10%) | 123491 | 166 (0.13%) | 1994044 | 2010 (0.10%) |
| 65+ | 1390376 | 545 (0.04%) | 89402 | 39 (0.04%) | 1300974 | 506 (0.04%) |
| Total | 7537613 | 15498 (0.21%) | 422449 | 1260 (0.30%) | 7115164 | 14238 (0.20%) |
| Men | ||||||
| 18–24 | 643746 | 7804 (1.21%) | 35952 | 514 (1.43%) | 607794 | 7290 (1.20%) |
| 25–44 | 2011323 | 9125 (0.45%) | 106586 | 577 (0.54%) | 1904737 | 8548 (0.45%) |
| 45–64 | 2087004 | 2955 (0.14%) | 124550 | 206 (0.17%) | 1962454 | 2749 (0.14%) |
| 65+ | 1173475 | 582 (0.05%) | 80771 | 45 (0.06%) | 1092704 | 537 (0.05%) |
| total | 7363207 | 24075 (0.33%) | 425857 | 1677 (0.40%) | 6937350 | 22398 (0.32%) |