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Table 3 Results of linear regression analysis for determinants of birth anthropometry in infants

From: Birth anthropometry and cord blood leptin in Korean appropriate-for-gestational-age infants born at ≥ 28 weeks’ gestation: a cross sectional study

Variables

Univariate analysis

Multivariate analysis

R2

p-value

adjusted R2

β

p-value

BW (g)

GA (weeks)

0.88

< 0.001

   

Log IGF-1 (ng/mL)

0.31

< 0.001

0.90

334.94

0.020

Log Leptin (ng/mL)

0.52

< 0.001

0.90

194.888

0.006

BL (cm)

GA (weeks)

0.80

< 0.001

   

Log IGF-1 (ng/mL)

0.24

< 0.001

0.69

3.579

0.018

Log Leptin (ng/mL)

0.46

< 0.001

0.69

2.344

0.002

HC (cm)

GA (weeks)

0.68

< 0.001

   

Log IGF-1 (ng/mL)

0.15

< 0.001

0.61

−0.05

0.962

Log Leptin (ng/mL)

0.40

< 0.001

0.61

0.88

0.092

BMI (g/cm3*100)

GA (weeks)

0.005

0.480

   

Log IGF-1 (ng/mL)

0.015

0.214

0.08

0.39

0.358

Log Leptin (ng/mL)

0.001

0.712

0.08

0.18

0.414

  1. Abbreviations. BW body weight, GA gestational age, BL body length, GA gestational age, HC head circumference, IGF-1 insulin-like growth factor 1