Table I.
Relative risks (RRs) of adverse birth outcomes, perinatal and infant mortality comparing 1996–2000 vs. 1991–1995 among First Nations, Inuit and non-Aboriginal maternal mother tongue groups, in rural and northern Quebec, or northern Quebec only
| RR (95% CI), 1996–2000 vs. 1991–1995 | |||
|---|---|---|---|
| Outcome | First Nations mother tongue | Inuit mother tongue | Non-Aboriginal mother tongue |
| Rural and northern Quebec, n (births)a | 4,079/2,926 | 2,460/2,348 | 96,143/79,248 |
| Preterm | 1.16 (0.93, 0.45) | 1.15 (0.91, 1.45) | 1.14 (1.10, 1.17) |
| SGAb | 0.71 (0.50, 0.99) | 0.77 (0.55, 1.07) | 0.87 (0.84, 0.89) |
| LBWc | 1.00 (0.71, 1.40) | 1.45 (1.05, 2.01) | 1.02 (0.98, 1.06) |
| Stillbirth | 0.81 (0.40, 1.66) | 1.76 (0.64, 4.83) | 1.01 (0.86, 1.17) |
| Perinatal death | 1.09 (0.60, 1.95) | 1.27 (0.64, 2.50) | 0.90 (0.80, 1.01) |
| Neonatal death | 2.17 (0.71, 6.62) | 0.94 (0.36, 2.43) | 0.78 (0.66, 0.92) |
| Post-neonatal death | 0.82 (0.36, 1.86) | 0.99 (0.48, 2.04) | 1.10 (0.87, 1.39) |
| Infant death | 1.15 (0.61, 2.19) | 0.97 (0.55, 1.72) | 0.88 (0.77, 1.01) |
| Northern Quebec only, n (births)a | 1,552/1,064 | 1,217/1,171 | 2,443/2,564 |
| Preterm | 1.42 (1.05, 1.92) | 1.12 (0.89, 1.42) | 1.08 (0.89, 1.31) |
| SGAb | 0.88 (0.55, 1.43) | 0.75 (0.54, 1.05) | 0.84 (0.72, 0.99) |
| LBWc | 1.42 (0.90, 2.24) | 1.42 (1.02, 1.97) | 1.15 (0.93, 1.43) |
| Stillbirth | 1.64 (0.64, 4.24) | 1.39 (0.48, 3.98) | 1.43 (0.64, 3.18) |
| Perinatal | 2.19 (0.99, 4.85) | 1.11 (0.55, 2.23) | 1.03 (0.59, 1.79) |
| Neonatal death | – | 0.93 (0.36, 2.39) | 0.75 (0.34, 1.65) |
| Post-neonatal death | 1.18 (0.47, 2.97) | 0.97 (0.47, 2.00) | 1.31 (0.53, 3.25) |
| Infant death | 1.71 (0.79, 3.68) | 0.95 (0.54, 1.69) | 0.95 (0.53, 1.72) |
RRs, p<0.05.
a
n for total births in 1996–2000/1991–1995.
b
SGA=small-for-gestational-age (<10th percentile).
c
LBW=low birth weight (<2,500 g).
–
not estimable, due to small numbers of events.