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Table 1 Demographic characteristics of mothers at the time of delivery by weight group

From: A potential role for insulin treatment during pregnancy in reducing postpartum psychological distress in maternal obesity: an administrative population health study

Variable Levels Lean Obesity
N % N %
Weight group   17,975   9908  
Maternal age groups at the start of Pregnancy 15–19 2678 14.90 703 7.10
20–25 4369 24.31 2480 25.03
26–30 5039 28.03 3088 31.17
30–35 4144 23.05 2537 25.61
36 +  1745 9.71 1100 11.10
Mean maternal age (Mean, Standard Deviation)   27.19 6.37 28.32 5.73
Income quintiles Urban Lowest (U1) 2363 13.15 1160 11.71
U2 2422 13.47 1225 12.36
U3 2274 12.65 1071 10.81
U4 2364 13.15 976 9.85
Urban Highest (U5) 2401 13.36 671 6.77
Rural Lowest (R1) 1475 8.21 1415 14.28
R2 1149 6.39 1023 10.32
R3 982 5.46 679 6.85
R4 1078 6.00 827 8.35
Rural Highest (R5) 1349 7.50 828 8.36
Not Found 118 0.66 33 0.33
Insulin received during pregnancy   42 0.23 238 2.40
  1. Mothers with pre-existing type I or type II diabetes mellitus or with pre-existing mood/anxiety disorders were excluded. The number (N) and percentages (%) are shown unless otherwise specified