Table 1:

Baseline demographic characteristics of children and adolescents aged 17 years or less in Ontario and Manitoba, January 2017–November 2020

CharacteristicOntario; year; no. (%) of children*Manitoba; year; no. (%) of children*
2017
n = 2 761 302
2018
n = 2 776 698
2019
n = 2 800 407
2020
n = 2 829 172
2017
n = 306 813
2018
n = 310 111
2019
n = 311 212
2020
n = 313 395
Age
 Mean ± SD8.70 ± 5.138.70 ± 5.128.72 ± 5.128.73 ± 5.118.96 ± 5.178.95 ± 5.168.93 ± 5.138.96 ± 5.11
 Median (IQR)9 (4–13)9 (4–13)9 (4–13)9 (4–13)9 (4–13)9 (4–13)9 (4–13)9 (4–13)
Age group
 ≤ 28 d140 537139 911139 901115 778§17 28216 88516 61814 782§
 29–365 d131 375 (4.8)130 602 (4.7)130 260 (4.7)130 494 (4.6)15 698 (5.1)15 883 (5.1)15 955 (5.1)15 530 (5.0)
 > 1 to 5 yr742 356 (26.9)744 524 (26.8)746 450 (26.7)753 127 (26.6)87 222 (28.4)88 136 (28.4)88 303 (28.4)88 369 (28.2)
 6–12 yr1 096 809 (39.7)1 107 217 (39.9)1 121 055 (40.0)1 132 943 (40.0)120 121 (39.2)122 353 (39.5)124 220 (39.9)126 181 (40.3)
 13–17 yr790 762 (28.6)794 355 (28.6)802 642 (28.7)812 608 (28.7)83 772 (27.3)83 739 (27.0)82 734 (26.6)83 315 (26.6)
Sex
 Female1 344 457 (48.7)1 352 005 (48.7)1 363 728 (48.7)1 377 931 (48.7)149 272 (48.7)150 890 (48.7)151 469 (48.7)152 583 (48.7)
 Male1 416 845 (51.3)1 424 693 (51.3)1 436 679 (51.3)1 451 241 (51.3)157 541 (51.4)159 221 (51.3)159 743 (51.3)160 812 (51.3)
Rurality
 Urban2 485 062 (90.0)2 497 901 (90.0)2 518 679 (89.9)2 543 736 (89.9)210 245 (68.5)212 892 (68.7)213 045 (68.5)213 820 (68.2)
 Rural269 754 (9.8)271 559 (9.8)273 500 (9.8)275 592 (9.7)96 568 (31.5)97 219 (31.3)97 758 (31.4)98 773 (31.5)
 Missing6486 (0.2)7238 (0.3)8228 (0.3)9844 (0.3)0 (0.0)< 6409 (0.1)802 (0.3)
Material deprivation quintile
 Q1 (lowest)629 475 (22.8)643 277 (23.2)658 048 (23.5)672 771 (23.8)61 371 (20.0)62 077 (20.0)62 231 (20.0)62 686 (20.0)
 Q2584 527 (21.2)588 752 (21.2)594 765 (21.2)601 189 (21.2)61 291 (20.0)61 858 (19.9)62 195 (20.0)62 624 (20.0)
 Q3509 432 (18.4)509 138 (18.3)511 701 (18.3)514 908 (18.2)61 413 (20.0)61 986 (20.0)62 222 (20.0)62 696 (20.0)
 Q4470 261 (17.0)468 997 (16.9)469 988 (16.8)472 749 (16.7)61 209 (19.9)61 852 (19.9)62 144 (20.0)62 437 (19.9)
 Q5 (highest)535 311 (19.4)533 274 (19.2)531 452 (19.0)531 273 (18.8)61 357 (20.0)62 078 (20.0)62 257 (20.0)62 874 (20.1)
 Missing32 296 (1.2)33 260 (1.2)34 453 (1.2)36 282 (1.3)172 (0.1)260 (0.1)163 (0.1)78 (0.0)
Immigrant status
 Nonrefugee141 985 (5.1)126 321 (4.5)109 697 (3.9)95 549 (3.4)27 487 (9.0)27 444 (8.8)24 174 (7.8)21 207 (6.8)
 Refugee41 434 (1.5)37 658 (1.4)33 328 (1.2)29 522 (1.0)3736 (1.2)3867 (1.2)3321 (1.1)2887 (0.9)
 Canadian-born2 577 883 (93.4)2 571 754 (92.6)2 566 491 (91.6)2 559 252 (90.5)275 590 (89.8)277 451 (89.5)275 776 (88.6)275 386 (87.9)
 Not available< 640 965 (1.5)90 891 (3.2)144 849 (5.1)0 (0.0)1349 (0.4)7941 (2.6)13 915 (4.4)
  • Note: IQR = interquartile range, Q = quintile, SD = standard deviation.

  • * Except where noted otherwise.

  • On Jan. 1.

  • Not included in the sociodemographic groupings.

  • § Includes only those born to Oct. 28.

  • Institutional policy precludes reporting of cell sizes less than 6. Missing values less than 6 were combined with another category to prevent back-calculation of small cell sizes.