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Table 1 Socio-demographic characteristics of the 3,909 women in the cohort at first birth

From: Recurrence of perinatal death in Northern Tanzania: a registry based cohort study

  Outcome in the 1st pregnancy
Maternal characteristics (1st pregnancy) Total No-perinatal death Perinatal-death (%) P- value*
Education level     0.19
  ≤ 12 years 2,590 2,400 190 (7.3)  
  >12 years 1,319 1,237 82 (6.2)  
Body Mass Index**     0.06
  Underweight (<18.5) 520 463 57 (11.0)  
  Normal (18.5-24.9) 204 183 21 (10.3)  
  Overweight (25–29.9) 302 285 17 (5.6)  
  Obese (>= 30) 216 201 15 (7.7)  
Number of ANC visits     <0.001
  < 5 2,231 2,028 203 (8.8)  
  >= 5 1,678 1,609 69 (4.3)  
Maternal age: mean (SD)   25.9 (4.9) 26.3 (5.2) 0.94
All women 3,909 3,637 272 (6.9)  
  1. *Chi-square tests for heterogeneity except of a t-test for mean maternal age.
  2. †SD – Standard deviation.
  3. **The number do not add to the total due to missing BMI variables (weight or height).