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Table 1 Characteristics of mothers and newborns in Brussels and Montreal

From: Associations between socioeconomic status and pregnancy outcomes: a greater magnitude of inequalities in perinatal health in Montreal than in Brussels

  BRUSSELS (2005–2010) MONTREAL (2003–2012)
Maternal birth place Maternal birth place
All Births Born in Belgium Immigrants All Births Born in Canada Immigrants
N 97,844 39,591 55,333 214,620 97,520 112,468
% of births 100 40.46 56.55 100 45.4 52.4
Maternal education (n) 89,864 37,085 50,175 200,943 92,943 104,476
 High (%) 31.66 40.64 24.66 46.14 47.23 45.30
 Intermediate (%) 35.16 35.14 35.27 29.16 29.36 28.83
 Low (%) 33.17 24.22 40.07 24.70 23.41 25.87
Income Quintile (n) 88,655 38,638 48,937 211,265 95,642 111,052
 Top (%) 13.10 20.28 7.26 20.00 26.57 14.52
 Fourth (%) 11.75 18.47 6.50 20.00 23.34 17.08
 Midlle (%) 15.27 18.65 12.69 20.00 20.35 19.59
 Second (%) 18.48 16.23 20.35 20.00 17.75 21.91
 Bottom (%) 41.40 26.36 53.20 20.00 12.00 26.89
Household situation (n) 88,677 37,362 50,256 208,249 95,139 108,811
 Lives alone (%) 16.16 16.40 15.91 9.94 10.18 9.69
Maternal age (n) 97,844 39,591 55,333 214,620 97,520 112,468
  < 20 (%) 2.39 2.39 2.35 2.17 3.30 1.16
  ≥ 40 (%) 4.31 2.92 5.33 6.62 5.27 7.86
Previous births (n) 97,234 39,381 54,945 214,620 97,520 112,468
 0 (%) 47.70 52.09 44.13 48.65 53.83 43.93
 1–2 (%) 43.70 41.73 45.37 45.36 41.44 48.96
 3 (%) 8.60 6.18 10.50 5.99 4.73 7.11
LBW (n) 97,844 39,381 55,333 214,589 97,509 112,463
 % 4.64 5.08 4.31 4.49 4.32 4.65
Preterm (n) 95,490 38,670 54,009 214,587 97,509 112,462
 % 5.22 5.48 5.02 5.82 5.72 5.95