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Table 2 Mean difference comparisons between measured and self-reported anthropometrics for pregnant women in the PrOMIS cohort (N = 2605)

From: Concordance between self-reported pre-pregnancy body mass index (BMI) and BMI measured at the first prenatal study contact

Measure Measured Self-reported Mean difference (SD)
All Skewness Kurtosis All Skewness Kurtosis All
Weight (kg) 59.21 ± 10.05 0.87 4.26 58.94 ± 9.89 0.96 4.60 −0.27 ± 4.54*
Height (m) 1.53 ± 0.05 0.13 3.04 1.55 ± 0.06 0.19 3.08 +0.02 ± 0.03**
BMI (kg/m2) 25.35 ± 3.97 0.92 4.46 24.65 ± 3.87 1.00 4.76 −0.71 ± 2.17**
  1. *p < 0.05
  2. **p < 0.001