Table 1
Comparison of cohort and in-scope births, by selected birth and maternal characteristics, Canada, 2004 to 2006
| Birth and maternal characteristics | In-scope population | Linkage rateNote † | Birth-Census Cohort | Birth-Census Cohort (weighted) | Ratio (B/A) | Ratio (C/A) | |||
|---|---|---|---|---|---|---|---|---|---|
| Number | % distribution (A) | % | Number | % distribution (B) | Number | % distribution (C) | |||
| Total | 687,340 | 100.0 | 90.3 | 135,426 | 100.0 | 687,340 | 100.0 | 1.00 | 1.00 |
| Type of birth | |||||||||
| Surviving to age 1 | 679,431 | 98.8 | 90.5 | 134,002 | 98.9 | 679,399 | 98.8 | 1.00 | 1.00 |
| Stillbirth | 4,240 | 0.6 | 76.3 | 808 | 0.6 | 4,242 | 0.6 | 0.97 | 1.00 |
| Infant death (matched to birth registration) | 2,984 | 0.4 | 79.8 | 616 | 0.5 | 3,699 | 0.5 | 1.05 | 1.01 |
| Infant death (not matched to birth registration) | 685 | 0.1 | 0.0 | 0 | 0.0 | 0 | 0.0 | Note ...: not applicable | Note ...: not applicable |
| Province/Territory of birth | |||||||||
| Newfoundland and Labrador | 9,111 | 1.3 | 91.6 | 1,794 | 1.3 | 9,111 | 1.3 | 1.00 | 1.00 |
| Prince Edward Island | 2,664 | 0.4 | 91.2 | 457 | 0.3 | 2,664 | 0.4 | 0.87 | 1.00 |
| Nova Scotia | 17,345 | 2.5 | 91.0 | 3,307 | 2.4 | 17,345 | 2.5 | 0.97 | 1.00 |
| New Brunswick | 13,966 | 2.0 | 92.1 | 2,777 | 2.1 | 13,966 | 2.0 | 1.01 | 1.00 |
| Quebec | 151,307 | 22.0 | 92.8 | 29,250 | 21.6 | 151,307 | 22.0 | 0.98 | 1.00 |
| Ontario | 270,086 | 39.3 | 90.0 | 48,638 | 35.9 | 270,086 | 39.3 | 0.91 | 1.00 |
| Manitoba | 29,247 | 4.3 | 90.3 | 8,584 | 6.3 | 29,247 | 4.3 | 1.49 | 1.00 |
| Saskatchewan | 24,367 | 3.5 | 89.1 | 6,458 | 4.8 | 24,367 | 3.5 | 1.35 | 1.00 |
| Alberta | 84,367 | 12.3 | 89.7 | 17,424 | 12.9 | 84,367 | 12.3 | 1.05 | 1.00 |
| British Columbia | 81,970 | 11.9 | 86.9 | 15,026 | 11.1 | 81,970 | 11.9 | 0.93 | 1.00 |
| Yukon | 685 | 0.1 | 91.1 | 266 | 0.2 | 685 | 0.1 | 1.97 | 1.00 |
| Northwest Territories | 1,452 | 0.2 | 87.3 | 825 | 0.6 | 1,452 | 0.2 | 2.88 | 1.00 |
| Nunavut | 773 | 0.1 | 82.1 | 620 | 0.5 | 773 | 0.1 | 4.07 | 1.00 |
| Postal code at birth | |||||||||
| Urban | 563,406 | 82.0 | 90.4 | 101,496 | 74.9 | 562,915 | 81.9 | 0.91 | 1.00 |
| Rural | 120,245 | 17.5 | 90.6 | 32,970 | 24.3 | 121,907 | 17.7 | 1.39 | 1.01 |
| Sex of child | |||||||||
| Male | 352,849 | 51.3 | 90.2 | 69,325 | 51.2 | 352,779 | 51.3 | 1.00 | 1.00 |
| Female | 334,432 | 48.7 | 90.4 | 66,089 | 48.8 | 334,501 | 48.7 | 1.00 | 1.00 |
| Year of birth | |||||||||
| 2004 | 214,647 | 31.2 | 89.8 | 42,222 | 31.2 | 214,647 | 31.2 | 1.00 | 1.00 |
| 2005 | 344,654 | 50.1 | 90.3 | 67,670 | 50.0 | 344,654 | 50.1 | 1.00 | 1.00 |
| 2006 | 128,039 | 18.6 | 91.0 | 25,534 | 18.9 | 128,039 | 18.6 | 1.01 | 1.00 |
| Maternal age group (years) | |||||||||
| Younger than 20 | 28,203 | 4.1 | 77.3 | 6,736 | 5.0 | 28,218 | 4.1 | 1.21 | 1.00 |
| 20 to 24 | 110,969 | 16.1 | 85.1 | 22,460 | 16.6 | 111,082 | 16.2 | 1.03 | 1.00 |
| 25 to 29 | 211,655 | 30.8 | 91.0 | 41,381 | 30.6 | 211,889 | 30.8 | 0.99 | 1.00 |
| 30 to 34 | 215,677 | 31.4 | 92.8 | 41,603 | 30.7 | 215,913 | 31.4 | 0.98 | 1.00 |
| 35 to 39 | 99,497 | 14.5 | 93.0 | 19,346 | 14.3 | 99,633 | 14.5 | 0.99 | 1.00 |
| 40 to 44 | 19,446 | 2.8 | 92.4 | 3,691 | 2.7 | 19,443 | 2.8 | 0.96 | 1.00 |
| 45 or older | 859 | 0.1 | 91.4 | 165 | 0.1 | 870 | 0.1 | 0.97 | 1.01 |
| Maternal place of birth | |||||||||
| In Canada | 502,649 | 73.1 | 92.0 | 104,535 | 77.2 | 514,031 | 74.8 | 1.06 | 1.02 |
| Outside Canada | 172,551 | 25.1 | 86.3 | 29,048 | 21.4 | 163,489 | 23.8 | 0.85 | 0.95 |
| Single or multiple birth | |||||||||
| Single | 665,362 | 96.8 | 90.3 | 131,285 | 96.9 | 666,026 | 96.9 | 1.00 | 1.00 |
| Twin | 20,452 | 3.0 | 91.3 | 4,007 | 3.0 | 20,472 | 3.0 | 0.99 | 1.00 |
| Triplet or more | 841 | 0.1 | 91.0 | 134 | 0.1 | 842 | 0.1 | 0.81 | 1.00 |
... not applicable
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