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Table 3 Association between maternal gestational weight gain and anogenital distance (AGD) in newborns

From: Association of pre-pregnancy body mass index and gestational weight gain with neonatal anogenital distance in a Chinese birth cohort

Anogenital Distance (mm)

GWG group

N

Mean (SD)

Unadjusted β (95%CI)

Adjusted β (95%CI)a, b

AGDAP in boys

 Inadequate

80

46.34 (5.40)

− 1.21 (− 2.65, 0.22)

− 1.56 (− 3.25, 0.13)

 Normal

126

47.55 (4.23)

Ref.

Ref.

 Excessive

92

47.30 (5.88)

− 0.25 (− 1.63, 1.13)

− 2.27 (− 3.92, − 0.62)*

AGDAS in boys

 Inadequate

80

19.97 (5.18)

− 0.92 (− 2.19, 0.36)

− 1.00 (− 2.62, 0.61)

 Normal

126

20.88 (4.13)

Ref.

Ref.

 Excessive

92

20.84 (4.50)

− 0.05 (− 1.27, 1.18)

− 0.67 (− 2.25, 0.91)

AGDAC in girls

 Inadequate

77

33.63 (4.92)

− 1.29 (− 2.96, 0.37)

− 0.79 (− 2.67, 1.10)

 Normal

108

34.92 (5.73)

Ref.

Ref.

 Excessive

73

35.89 (6.26)

0.97 (− 0.72, 2.66)

− 0.07 (− 1.99, 1.86)

AGDAF in girls

 Inadequate

77

13.50 (3.96)

0.06 (− 1.09, 1.21)

− 0.62 (− 1.96, 0.72)

 Normal

108

13.44 (3.74)

Ref.

Ref.

 Excessive

73

13.38 (4.14)

− 0.06 (− 1.23, 1.11)

− 0.76 (− 1.96, 0.72)

  1. a85 boys and 58 girls were not included in adjusted analyses due to missing values in covariates
  2. bAdjusted for maternal pre-pregnancy BMI, maternal age at conception, gestational weeks at birth, education, parity, folic acid intake during pregnancy, passive smoking and infant birth weight
  3. *p < 0.05