Table. Study Population Demographic Characteristics and Timeline of Policy Changes in Manitoba, Canada.
| Characteristic | Individuals, No. (%) |
|---|---|
| No. | 330 398 |
| Age, mean (SD), y | 8.9 (5.4) |
| Age group, y | |
| 0-5 | 104 719 (31.7) |
| 6-12 | 125 791 (38.1) |
| 13-18 | 99 888 (30.2) |
| Sex | |
| Female | 160 971 (48.7) |
| Male | 169 427 (51.3) |
| Urban residence | 183 531 (55.9) |
| Income quintile | |
| Rural | |
| 1 (Lowest) | 34 988 (10.6) |
| 2 | 29 004 (8.8) |
| 3 | 25 801 (7.8) |
| 4 | 28 175 (8.5) |
| 5 (Highest) | 27 768 (8.4) |
| Urban | |
| 1 (Lowest) | 37 194 (11.3) |
| 2 | 26 637 (11.1) |
| 3 | 34 108 (10.3) |
| 4 | 36 242 (11.0) |
| 5 (Highest) | 37 457 (11.3) |
| Not found | 3024 (0.9) |
| Psychiatry disorder diagnosis in past 5 y | 61 759 (18.7) |
| Mood disorder/anxiety | 29 485 (8.9) |
| Psychosis | 7073 (2.1) |
| Schizophrenia | 152 (0.1) |
| Personality disorder | 393 (0.1) |
| Timeline of policy changes in Manitoba in 2020 | |
| March 12, 2020 | First COVID-19 case in Manitoba. |
| March 16, 2020 | Closure of universities, childcare services, nonessential service operations, events consisting of >50 people prohibited |
| March 20, 2020 | Manitoba premier declared a state of emergency for 30 d |
| March 30, 2020 | In-person kindergarten to grade 12 classes changed to remote learning |