Table 1:

Characteristics of first-time mothers giving birth in British Columbia by First Nations status, 1999–2011

CharacteristicFirst Nations mothers
n = 9 152
Non–First Nations mothers
n = 206 841*
No. (%)Missing, %No. (%)Missing, %
Maternal age, yr, median (IQR)21.0 (18.7–25.0)0.029.1 (25.1–32.9)0.0
Pre-pregnancy BMI, kg/m2, median (IQR)23.7 (21.2–27.7)46.022.4 (20.4–25.4)25.4
Maternal weight gain, kg, median (IQR)17.4 (13.2–22.5)50.415.4 (12.0–19.1)31.1
Gestational age at birth, wk, median (IQR)39.0 (38.0–40.0)0.439.0 (38.0–40.0)0.1
Preterm delivery (< 37 wk)987 (10.8)15 718 (7.6)
Post-dates (≥ 41 wk)933 (10.2)35 484 (17.2)
Pre-existing diabetes28 (0.3)0.0857 (0.4)0.0
Gestational diabetes275 (3.0)0.013 023 (6.3)0.0
Pre-existing hypertension39 (0.4)0.51 405 (0.7)1.3
Gestational hypertension781 (8.6)0.516 063 (7.9)1.3
Distance to nearest hospital, km
 0 to 505 134 (65.7)14.6149 747 (91.6)21.0
 > 50 to 1001 133 (14.5)7 824 (4.8)
 > 100 to 150806 (10.3)3 197 (2.0)
 > 150 to 20030 (0.4)380 (0.2)
 > 200716 (9.2)2 295 (1.4)
Living in a rural area2 725 (34.9)14.618 040 (11.0)21.0
  • Note: BMI = body mass index, IQR = interquartile range.

  • * First Nations status was unknown for 2.0% of participants.

  • Unless otherwise specified.