Neonatal and maternal characteristics of 766 688 singleton live births in Ontario between 23 and 41 weeks’ gestation, by mother’s country of birth, 2002–2007
| Characteristic | Mother’s country of birth | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Canada n = 486 599 | Europe n = 58 505 | South Korea n = 3 663 | China n = 23 818 | Philippines n = 15 367 | Rest of East Asia n = 18 971 | Pakistan n = 18 018 | India n = 31 978 | Rest of South Asia n = 20 695 | Other n = 89 074 | |
| % of all births | 63.5 | 7.6 | 0.48 | 3.1 | 2.0 | 2.5 | 2.4 | 4.2 | 2.7 | 11.6 |
| Maternal | ||||||||||
| Age at delivery, yr, mean (SD) | 29.5 (10.3) | 31.5 (11.1) | 32.1 (16.4) | 32.4 (9.9) | 32.4 (5.6) | 32.0 (19.2) | 29.1 (11.3) | 29.1 (8.8) | 29.9 (10.7) | 30.4 (10.8) |
| Parity, no. (%) | ||||||||||
| 0 | 225 991 (46.4) | 25 549 (43.7) | 1 815 (49.5) | 12 339 (51.8) | 6 973 (45.4) | 9 195 (48.5) | 5 927 (32.9) | 14 789 (46.2) | 8 727 (42.2) | 33 767 (37.9) |
| 1 | 172 526 (35.5) | 21 792 (37.2) | 1 439 (39.3) | 9 852 (41.4) | 5 494 (35.8) | 7 078 (37.3) | 5 866 (32.6) | 13 076 (40.9) | 7 551 (36.5) | 28 715 (32.2) |
| 2 | 61 041 (12.5) | 7 551 (12.9) | 344 (9.4) | 1 403 (5.9) | 2 157 (14.0) | 2 041 (10.8) | 4 007 (22.2) | 3 268 (10.2) | 3 123 (15.1) | 14 947 (16.8) |
| ≥ 3 | 26 860 (5.5) | 3 592 (6.1) | 63 (1.7) | 219 (0.9) | 736 (4.8) | 648 (3.4) | 2 209 (12.3) | 830 (2.6) | 1 286 (6.2) | 11 597 (13.0) |
| Unknown | 181 (0.04) | 21 (0.04) | 2 (0.05) | 5 (0.02) | 7 (0.05) | 9 (0.05) | 9 (0.05) | 15 (0.05) | 8 (0.04) | 48 (0.05) |
| Marital status, no. (%) | ||||||||||
| Married | 334 540 (68.8) | 48 839 (83.5) | 3 410 (93.1) | 21 062 (88.4) | 12 476 (81.2) | 14 877 (78.4) | 17 039 (94.6) | 30 107 (94.1) | 18 587 (89.8) | 65 103 (73.1) |
| Not married* | 72 100 (14.8) | 3 986 (6.8) | 77 (2.1) | 1 616 (6.8) | 1 591 (10.4) | 2 038 (10.7) | 220 (1.2) | 355 (1.1) | 779 (3.8) | 15 070 (16.9) |
| Unknown | 79 959 (16.4) | 5 680 (9.7) | 176 (4.8) | 1 140 (4.8) | 1 300 (8.5) | 2 056 (10.8) | 759 (4.2) | 1 516 (4.7) | 1 329 (6.4) | 8 901 (10.0) |
| Neonatal | ||||||||||
| Sex, male, no. (%) | 249 510 (51.3) | 30 213 (51.6) | 1 927 (52.6) | 12 341 (51.8) | 7 954 (51.8) | 9 915 (52.3) | 9 269 (51.4) | 16 770 (52.4) | 10 423 (50.4) | 45 508 (51.1) |
| Gestational age at delivery, wk, mean (SD) | 39.0 (1.7) | 39.1 (1.7) | 39.2 (1.5) | 39.0 (1.5) | 38.5 (1.8) | 38.8 (1.6) | 38.9 (1.6) | 38.9 (1.7) | 38.8 (1.7) | 38.9 (1.9) |
| Birth weight, g, mean (SD) | 3461 (552) | 3454 (539) | 3355 (466) | 3342 (468) | 3218 (526) | 3238 (482) | 3229 (511) | 3217 (514) | 3251 (528) | 3332 (554) |
| Father’s region/country of birth same as mother’s, no. (%) | ||||||||||
| Yes | 338 822 (69.6) | 20 879 (35.7) | 2 611 (71.3) | 19 898 (83.5) | 10 299 (67.0) | 10 798 (56.9) | 16 422 (91.1) | 28 613 (89.5) | 19 681 (95.1) | 52 187 (58.6) |
| No | 126 815 (26.1) | 36 517 (62.4) | 1 030 (28.1) | 3 074 (12.9) | 4 565 (29.7) | 7 319 (38.6) | 1 374 (7.6) | 3 118 (9.8) | 749 (3.6) | 31 978 (35.9) |
| Unknown | 20 962 (4.3) | 1 109 (1.9) | 22 (0.6) | 846 (3.6) | 503 (3.3) | 854 (4.5) | 222 (1.2) | 247 (0.8) | 265 (1.3) | 4 909 (5.5) |
Note: SD = standard deviation.
↵* Includes women who were divorced, separated, widowed or single/never married.