| Mother's birthplace | Live birth order | |||||||
|---|---|---|---|---|---|---|---|---|
| 1st birth | 2nd birth | 3rd birth | 4th birth or higher | |||||
| Canada | ||||||||
| By province* | Males/females | Adjusted OR† (95% CI) | Males/females | Adjusted OR† (95% CI) | Males/females | Adjusted OR† (95% CI) | Males/females | Adjusted OR† (95% CI) |
| British Columbia | 150 645/142 595 | 1.00 (1.00-1.01) | 113 790/108 470 | 1.00 (0.99-1.01) | 41 985/40 370 | 0.99 (0.97-1.00) | 19 250/18 565 | 0.98 (0.96-1.00) |
| Alberta | 157 590/149 540 | 1.00 (0.99-1.01) | 126 080/118 940 | 1.01 (1.00-1.02) | 53 990/51 670 | 0.99 (0.98-1.00) | 31 995/31 000 | 0.98 (0.96-1.00) |
| Manitoba-Saskatchewan | 113 295/107 115 | 1.00 (0.99-1.01) | 90 070/86 445 | 0.99 (0.98-1.00) | 46 000/44 160 | 0.99 (0.97-1.00) | 36 405/34 935 | 0.99 (0.97-1.01) |
| Ontario (reference) | 461 840/438 865 | 1.00 | 364 210/346 025 | 1.00 | 135 840/128 685 | 1.00 | 57 680/54 570 | 1.00 |
| Quebec | 351 060/331 635 | 1.00 (1.00-1.01) | 269 580/255 200 | 1.01 (1.00-1.01) | 91 755/87 180 | 1.00 (0.99-1.01) | 35 325/33 885 | 0.98 (0.96-1.00) |
| Atlantic Canada | 118 815/112 525 | 1.00 (0.99-1.01) | 90 590/86 730 | 0.99 (0.98-1.00) | 31 715/30 620 | 0.98 (0.97-1.00) | 12 765/11 980 | 1.01 (0.99-1.03) |
| M:F ratio in all provinces | 1.06 (1.05-1.06) | 1.05 (1.05-1.06) | 1.05 (1.04-1.05) | 1.05 (1.04-1.05) | ||||
| India | ||||||||
| British Columbia | 13 215/12 370 | 1.00 (0.97-1.03) | 10 925/10 260 | 0.97 (0.94-1.00) | 4 345/3 095 | 1.02 (0.96-1.08) | 1 020/510 | 1.28 (1.12-1.47) |
| Alberta | 4 255/4 075 | 0.99 (0.94-1.03) | 3 730/3 385 | 1.00 (0.95-1.05) | 1 110/855 | 0.94 (0.85-1.03) | 220/135 | 1.05 (0.84-1.32) |
| Manitoba-Saskatchewan | 1 030/910 | 1.07 (0.98-1.17) | 800/700 | 1.04 (0.94-1.16) | 280/190 | 1.06 (0.88-1.28) | 65/35 | 1.33 (0.87-2.04) |
| Ontario (reference) | 22 505/21 275 | 1.00 | 19 795/17 980 | 1.00 | 6 150/4 445 | 1.00 | 1 620/1 085 | 1.00 |
| Quebec | 1 225/1 160 | 1.00 (0.92-1.08) | 930/925 | 0.91 (0.83-1.00) | 300/255 | 0.86 (0.72-1.02) | 90/55 | 0.91 (0.65-1.28) |
| Atlantic Canada | 170/165 | 1.01 (0.82-1.26) | 130/130 | 0.93 (0.73-1.18) | 65‡ | ‡ | 15‡ | ‡ |
| M:F ratio in all provinces | 1.06 (1.05-1.08) | 1.09 (1.07-1.10) | 1.38 (1.34-1.41) | 1.66 (1.56-1.76) | ||||
Note: CI = confidence intervals, OR = odds ratio.
*Except Yukon, Northwest Territories and Nunavut.
†Adjusted for period of birth, maternal age groups, paternal age groups and marital status.
‡M:F ratios based on fewer than 100 observations are not disclosed, therefore these frequencies include both male and female infants.