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Table 3 Perinatal factors of children with the Internalizing Problems (IP) or with the Externalizing Problems (EP) compared to a random sample from controls

From: Associations between maternal stress during pregnancy and offspring internalizing and externalizing problems in childhood

  Controls without IP (N = 96) IP (N = 44) Controls vs. IP Controls without EP (N = 97) EP (N = 30) Controls vs. EP
  % % UOR d (95% CI) p % % UOR d (95% CI) p
Maternal age at pregnancy           
  Below 30 68.1 61.9 ref    68.0 55.2 ref   
  30 years or above 31.9 38.1 1.31 (0.62-2.80) 0.07 (-0.12-0.25) 0.482 32.0 44.8 1.45 (0.61-3.45) 0.09 (-0.12-0.30) 0.399
Unwanted pregnancy 25.0 39.0 1.92 (0.86-4.27) 0.16 (-1.80-2.12) 0.109 28.1 53.3 3.55 (1.40-8.99) 0.30 (0.08-0.53) 0.008**
No regular prenatal check-ups 14.0 9.3 0.63 (0.19-2.06) -0.11 (-0.40-0.18) 0.446 10.8 10.0 1.75 (0.39-7.85) 0.13 (-0.23-0.50) 0.463
Maternal alcohol intake 4.0 6.8 1.74 (0.37-8.12) 0.13 (-0.25-0.51) 0.482 3.9 10.0 2.22 (0.47-10.57) 0.19 (-0.19-0.57) 0.316
Severe stress during pregnancy 37.6 61.4 2.63 (1.26-5.50)) 0.23 (0.05-0.41) 0.010* 32.7 56.7 2.35 (1.01-5.50) 0.21 (-0.00-0.41) 0.048*
Change in primary care taker 11.1 18.6 1.83 (0.67-5.03) 0.15 (-0.10-0.39) 0.242 14.8 13.3 0.54 (0.17-1.75) -0.15 (-0.43-0.14) 0.302
Primary care taker other than mother 21.2 20.5 0.96 (0.40-2.30) -0.01 (-0.22-0.20) 0.918 20.8 26.7 1.55 (0.58-4.10) 0.11 (-0.14-0.35) 0.382
Postpartum depression           
  None 737 52.6 ref    72.5 68.0 ref   
  Very mild to mild 16.2 26.3 2.28 (0.90-5.79) 0.20 (-0.03-0.43) 0.083 17.7 24.0 1.25 (0.41-3.81) 0.05 (-0.22-0.33) 0.696
  Moderate to severe 10.1 21.1 2.92 (1.02-8.37) 0.26 (-0.00-0.52) 0.046* 9.8 8.0 0.90 (0.17-4.91) 0.03 (-0.39-0.44) 0.905
  1. Results of binary logistic regression analyses; UOR, unadjusted odd ratio; ref, reference group; *p <0.05.**p <0.01.