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Table 4 Adjusted odds ratio for SGA and LGA in 56 101 women and with children within 10 th and 90 th birth weight as reference category in multinomial logistic regression

From: Associations of pre-pregnancy body mass index and gestational weight gain with pregnancy outcome and postpartum weight retention: a prospective observational cohort study

 

Small-for-gestational-age (SGA)

Large-for-gestational-age (LGA)

Nulliparous

Parous

Nulliparous

Parous

Underweight women

Adj. OR (95% CI)

Adj. OR (95% CI)

Adj. OR (95% CI)

Adj. OR (95% CI)

GWG = IOM rec.

1.0

1.0

1.0

1.0

GWG < IOM rec.

1.71 (1.16,2.52)**

2.16 (1.18,3.97)**

Not estimable

0.42 (0.12,1.52)

GWG > IOM rec.

0.39 (0.23,0.67)**

0.55 (0.22,1.37)

1.73 (0.79,3.76)

2.33 (1.03,5.20)*

Normal weight women

    

GWG = IOM rec.

1.0

1.0

1.0

1.0

GWG < IOM rec.

1.53 (1.34,1.72)***

1.41 (1.18,1.67)***

0.56 (0.44,0.70)***

0.58 (0.49,0.67)***

GWG > IOM rec.

0.63 (0.56,0.71)***

0.64 (0.53,0.77)***

2.17 (1.90,2.48)***

1.73 (1.57,1.91)***

Overweight women

    

GWG = IOM rec.

1.0

1.0

1.0

1.0

GWG < IOM rec.

1.16 (0.80,1.70)

1.20 (0.78,1.85)

0.47 (0.26,0.83)**

0.83 (0.62,1.11)

GWG > IOM rec.

0.62 (0.48,0.80)***

0.60 (0.44,0.83)**

1.69 (1.27,2.08)***

1.72 (1.46,2.04)***

Obese women

    

GWG = IOM rec.

1.0

1.0

1.0

1.0

GWG < IOM rec.

1.01 (0.64,1.60)

1.39 (0.72,2.64)

0.69 (0.42,1.12)

0.65 (0.48,0.89)*

GWG > IOM rec.

0.60 (0.42,0.86)**

1.01 (0.55,1.84)

1.69 (1.22,2.34)**

1.61 (1.28,2.03)***

  1. Adjusted for maternal age, maternal height, maternal education, gestational length, smoking in pregnancy and diabetic condition.
  2. *p < 0.05, **p < 0.01 and ***p < 0.001.