Indigenous status, maternal, pregnancy and infant characteristics in the study birth cohort, Quebec 1996–2010*
| Characteristic | First Nations (n = 19 770) | Inuit (n = 3930) | Non-Indigenous (n = 225 380) |
|---|---|---|---|
| Maternal age, mean ± SD, yr | 25.1 ± 6.2 | 24.1 ± 6.0 | 28.8 ± 5.2 |
| < 20 | 21.9 | 27.1 | 3.3 |
| 20–34 | 69.5 | 67.1 | 82.6 |
| ≥ 35 | 8.6 | 5.8 | 14.1 |
| Primiparous, % | 40.8 | 36.4 | 46.6 |
| Marital status, % | |||
| Married | 21.7 | 14.8 | 40.6 |
| Common-law union | 51.8 | 50.6 | 51.4 |
| Single/divorced/widowed | 26.5 | 34.6 | 8.1 |
| Maternal education | |||
| Mean ± SD, yr | 11.1 ± 3.1 | 10.3 ± 2.6 | 13.9 ± 3.1 |
| < High school | 41.6 | 50.7 | 10.3 |
| High school (11 yr) | 22.2 | 25.8 | 15.2 |
| College (12–13 yr) | 15.0 | 13.7 | 16.1 |
| University (14+ yr) | 21.2 | 9.8 | 58.3 |
| Rural residence, % | 84.6 | 96.9 | 22.3 |
| Northern residence, % | 34.5 | 97.2 | 1.6 |
| Maternal major chronic diseases, % | |||
| Pre-existing diabetes | 3.9 | 1.4 | 1.1 |
| Pre-existing hypertension | 1.3 | 1.5 | 0.7 |
| Heart disease | 0.6 | 0.6 | 0.4 |
| Renal disease | 4.0 | 8.6 | 2.7 |
| Genitourinary infections | 3.9 | 8.5 | 2.5 |
| Gestational complications, % | |||
| Gestational diabetes | 10.8 | 3.6 | 4.9 |
| Gestational hypertension | 8.0 | 8.4 | 4.3 |
| Preeclampsia | 3.5 | 4.7 | 1.5 |
| Anemia | 22.2 | 16.9 | 12.6 |
| Infant characteristics | |||
| Sex, male | 51.8 | 53.0 | 51.3 |
| Gestational age, mean ± SD | 38.8 ± 1.8 | 38.3 ± 2.2 | 38.9 ± 1.8 |
| Median, wk | 39.0 | 39.0 | 39.0 |
| Preterm birth (< 37 wk) | 6.9 | 11.3 | 6.3 |
| Birth weight, mean ± SD | 3603.4 ± 604.9 | 3369.8 ± 596.4 | 3376.5 ± 539.6 |
| Median (g) | 3611.0 | 3410.0 | 3395.0 |
| Birth weight for gestational age, % | |||
| SGA (< 10th) | 4.0 | 5.2 | 8.7 |
| LGA (> 90th) | 25.0 | 13.9 | 9.1 |
Note: LGA = large for gestational age, SD = standard deviation, SGA = small for gestational age.
↵* Data presented are % or mean ± SD.