Characteristics of Ontario residents who visited the emergency department because of alcohol use, 2003–2016 (n = 480 611)
| Characteristic | No. (%) of patients* | Standardized difference | |
|---|---|---|---|
| Women n = 170 225 | Men n = 310 386 | ||
| No. of visits attributable to alcohol use (% of total visits), n = 765 346 | 247 044 (32.3) | 518 302 (67.7) | – |
| No. of visits in year of initial visit, mean ± SD | 1.45 ± 2.05 | 1.67 ± 3.32 | 0.80 |
| 1 visit | 141 481 (83.1) | 246 752 (79.5) | 0.09 |
| 2 visits | 15 971 (9.4) | 32 940 (10.6) | 0.04 |
| 3 visits | 5234 (3.1) | 11 681 (3.8) | 0.04 |
| 4 visits | 2425 (1.4) | 5711 (1.8) | 0.03 |
| ≥ 5 visits | 5114 (3.0) | 13 302 (4.3) | 0.07 |
| Age, yr† | |||
| Age, mean ± SD | 36.42 ± 17.79 | 41.09 ± 17.31 | 0.27 |
| 10–18 | 29 646 (17.4) | 28 315 (9.1) | 0.25 |
| 19–24 | 33 312 (19.6) | 47 220 (15.2) | 0.12 |
| 25–40 | 38 398 (22.6) | 74 084 (23.9) | 0.03 |
| 41–64 | 56 003 (32.9) | 130 635 (42.1) | 0.19 |
| 65–80 | 10 799 (6.3) | 26 811 (8.6) | 0.09 |
| > 80 | 2067 (1.2) | 3321 (1.1) | 0.01 |
| Income quintile | |||
| 1 (lowest) | 48 754 (28.6) | 95 616 (30.8) | 0.05 |
| 2 | 33 115 (19.5) | 63 896 (20.6) | 0.03 |
| 3 | 29 115 (17.1) | 54 271 (17.5) | 0.01 |
| 4 | 28 130 (16.5) | 47 917 (15.4) | 0.03 |
| 5 (highest) | 28 867 (17.0) | 43 932 (14.2) | 0.08 |
| Population centre and rural area classification | |||
| Large urban population centre (≥ 100 000) | 110 660 (65.0) | 207 245 (66.8) | 0.01 |
| Medium population centre (30 000–99 999) | 16 170 (9.5) | 27 476 (8.9) | 0.02 |
| Small population centre (1000–29 999) | 18 600 (10.9) | 31 815 (10.3) | 0.04 |
| Rural population centre (< 1000) | 24 731 (14.5) | 43 797 (14.1) | 0.01 |