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Table 2 Clinical characteristics of the study participants according to the fetal sex

From: Increased basal insulin sensitivity in late pregnancy in women carrying a male fetus: a cohort study

Characteristic

Male fetus

Female fetus

p-value

Age (years)

33.5

(33.1, 33.9)

(n = 422)

33.4

(33.0, 33.9)

(n = 391)

0.9

Height (cm)

165.6

(165.0, 166.3)

(n = 402)

166.4

(165.7, 167.2)

(n = 365)

0.1

Pre-pregnancy weight (kg)

66.4

(65.1, 67.7)

(n = 395)

66.4

(65.1, 67.8)

(n = 358)

1.0

Pre-pregnancy BMI (kg/m2)

24.2

(23.8, 24.6)

(n = 422)

24.2

(23.7, 24.6)

(n = 391)

0.9

Weight gain in pregnancy (kg)

9.2

(8.4, 10.0)

(n = 292)

8.8

(7.9, 9.6)

(n = 262)

0.5

Parity (n 0/1/2/3/4/5)

204/159/45/9/1/3

201/130/44/13/3/0

0.3

Index of multiple deprivation

9.1

(8.6, 9.6)

(n = 277)

8.8

(8.3, 9.3)

(n = 268)

0.8

Smoked during pregnancy (yes/no)

15/407

13/378

0.9

Anaemia during pregnancy (n yes/no)

14/369

14/344

0.9

Length of pregnancy (weeks)

39.9

(39.7, 40.0)

(n = 422)

39.9

(39.7, 40.0)

(n = 391)

0.7

  1. Data are mean (95% confidence interval) or number of participants