Maternal characteristics before and during COVID-19 periods in the Canadian province of Manitoba
| Characteristics | Pre-COVID-19 period | During COVID-19 period | P value |
| n=54 306 | n=16 625 | ||
| Age, n (%) | |||
| ≤19 | 2442 (4.50) | 664 (3.99) | <0.0001 |
| 20–34 | 41 762 (76.91) | 12 664 (76.06) | |
| ≥35 | 10 094 (18.59) | 3316 (19.95) | |
| Parity, n (%) | 0.9381 | ||
| Primipara | 36 974 (68.10) | 11 326 (68.13) | |
| Multipara | 17 321 (31.90) | 5298 (31.87) | |
| Income, n (%) | 0.1441 | ||
| Quintile 1 (lowest income) | 14 486 (24.15) | 4352 (26.17) | |
| Quintile 2 | 11 759 (24.15) | 4013 (24.13) | |
| Quintile 3 | 9916 (18.26) | 3017 (18.15) | |
| Quintile 4 | 9883 (18.2) | 3022 (18.18) | |
| Quintile 5 (highest income) | 8140 (14.99) | 2500 (15.04) | |
| Unknown | 122 (0.22) | 49 (0.29) | |
| Residence, n (%) | 0.0094 | ||
| Rural | 23 814 (43.87) | 7480 (45.01) | |
| Urban | 30 474 (56.13) | 9139 (54.99) | |
| Comorbid diseases, n (%) | |||
| Asthma | 13 557 (24.96) | 4043 (24.32) | 0.0919 |
| Hypertension* | 4861 (8.95) | 1461 (8.79) | 0.5183 |
| Diabetes | 3372 (6.21) | 1084 (6.52) | 0.1481 |
*Hypertension in those aged 19 and older.