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Table 1 Women’s anthropometry and pregnancy details across the 3 study cohorts

From: Implementation of gestational weight gain guidelines - what’s more effective for ensuring weight recording in pregnancy?

  Cohort 1 (n women = 13,577) Cohort 2 (n = 13,481) Cohort 3 (n = 12,861) p-value
Date range (months) April 2014–June 2015 (15) July 2015–September 2016 (15) October 2016–December 2017 (15)  
pp weight (kg), median (IQR) 63.0 (56.0–72.0) 63.0 (55.0–73.0) 63.0 (55.0–73.0) 0.10
Weight at booking (kg), median (IQR) 70.0 (62.0–80.0) 68.0 (60.0–79.0) 69.0 (61.0–79.3) < 0.001
ppBMI, median (IQR) 22.7 (20.4–25.9) 22.9 (20.5–26.5) 23.1 (20.7–26.8) < 0.001
Gestation at booking (weeks), median (IQR) 21.5 (15.2–29.4) 18.3 (14.6–21.3) 20.0 (14.6–22.6) < 0.001
  1. Data are presented as % (n/N) for categorical variables. IQR interquartile range, pp pre-pregnancy, BMI body mass index