Age group at baseline years | | | |
5–9 | 115 189 (19.6%) | 115 189 (19.6%) | 0.000 |
10–14 | 147 737 (25.2%) | 147 737 (25.2%) | 0.000 |
15–19 | 171 356 (29.2%) | 171 356 (29.2%) | 0.000 |
20–24 | 152 930 (26.0%) | 152 930 (26.0%) | 0.000 |
Sex | | | |
Female | 243 969 (41.5%) | 243 969 (41.5%) | 0.000 |
Male | 343 243 (58.5%) | 343 243 (58.5%) | 0.000 |
Asthma duration years mean±sd | 11.6±6.0 | | |
Ontario Marginalization Index | | | |
Deprivation quintile | | | |
1, lowest | 133 636 (22.8%) | 131 345 (22.4%) | 0.009 |
2 | 128 432 (21.9%) | 126 630 (21.6%) | 0.007 |
3 | 111 763 (19.0%) | 111 344 (19.0%) | 0.002 |
4 | 101 696 (17.3%) | 103 949 (17.7%) | 0.010 |
5, highest | 111 685 (19.0%) | 113 944 (19.4%) | 0.010 |
Dependency quintile | | | |
1, lowest | 194 920 (33.2%) | 192 883 (32.8%) | 0.007 |
2 | 129 077 (22.0%) | 128 180 (21.8%) | 0.004 |
3 | 100 243 (17.1%) | 100 692 (17.1%) | 0.002 |
4 | 88 636 (15.1%) | 89 773 (15.3%) | 0.005 |
5, highest | 74 336 (12.7%) | 75 684 (12.9%) | 0.007 |
Ethnic Concentration Quintile | | | |
1, lowest | 66 831 (11.4%) | 68 204 (11.6%) | 0.007 |
2 | 83 814 (14.3%) | 81 572 (13.9%) | 0.011 |
3 | 101 785 (17.3%) | 97 088 (16.5%) | 0.021 |
4 | 132 846 (22.6%) | 127 439 (21.7%) | 0.022 |
5, highest | 201 936 (34.4%) | 212 909 (36.3%) | 0.039 |
Residential Instability Quintile | | | |
1, lowest | 172 074 (29.3%) | 162 727 (27.7%) | 0.035 |
2 | 117 815 (20.1%) | 115 345 (19.6%) | 0.011 |
3 | 101 220 (17.2%) | 101 141 (17.2%) | 0.000 |
4 | 98 530 (16.8%) | 97 822 (16.7%) | 0.003 |
5, highest | 97 573 (16.6%) | 110 177 (18.8%) | 0.056 |
Rurality | | | |
Urban | 545 302 (92.9%) | 539 000 (91.8%) | 0.040 |
Rural | 41 910 (7.1%) | 48 212 (8.2%) | 0.040 |
Presence of common infections and allergic conditions | | | |
Bronchitis | 30 447 (5.2%) | 17 859 (3.0%) | 0.108 |
Influenza | 8217 (1.4%) | 5835 (1.0%) | 0.037 |
Pneumonia | 8564 (1.5%) | 4542 (0.8%) | 0.065 |
Allergic rhinitis | 30 684 (5.2%) | 17 525 (3.0%) | 0.113 |
Eczema | 41 825 (7.1%) | 30 477 (5.2%) | 0.080 |
Tonsillitis and adenoiditis | 21 561 (3.7%) | 15 831 (2.7%) | 0.056 |
Ear infection | 39 570 (6.7%) | 28 824 (4.9%) | 0.078 |
Appendicitis | 1837 (0.3%) | 1482 (0.3%) | 0.011 |
Presence of any complex chronic condition | | | |
Yes | 1465 (0.2%) | 924 (0.2%) | 0.020 |
No | 585 747 (99.8%) | 586 288 (99.8%) | 0.020 |