Skip to main content

Table 4 Multivariate linear regression model: R2: 0.62; F: 14.1; p: 0.000

From: Assessment of ten trace elements in umbilical cord blood and maternal blood: association with birth weight

 

B

p value

95 % CI

Lower

Upper

(Constant)

−8975.79

0.000

−13,126.51

−4825.08

Gestational age (weeks)

350.14

0.000

244.53

455.76

Maternal smokingb

−483.84

0.005

−811.69

−155.98

Sexa

−374.00

0.009

−647.97

−100.04

Anemiab

361.95

0.038

20.84

703.06

Umbilical cord Cu (µM/L)

−146.39

0.009

−255.04

−37.74

Umbilical cord Mn (nM/L)

−0.98

0.640

−5.26

3.27

  1. Independent variables: Cu and Mn umbilical cord concentrations, gestational age, maternal smoking, sex and anemia
  2. Dependent variable: birth weight (g). p value <0.05 statistical significance
  3. aReference group = male
  4. bVariables dichotomous (0 = not or 1 = yes). Reference group = 0