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Table 3 Regression coefficient of height-for-age (z-score) according linear mixed effect model

From: Effect of tobacco smoke exposure during pregnancy and preschool age on growth from birth to adolescence: a cohort study

 

Coefficient

Standard error

p-value

Maternal smoking

   

  During both periods

−0.33

0.077

<0.001

  Only during preschool age

−0.05

0.100

0.67

  Only during pregnancy

−0.20

0.140

0.15

  No smoking

-

-

-

Time*Maternal smoking

   

  During both periods

0.004

0.008

0.57

  Only during preschool age

−0.02

0.013

0.09

  Only during pregnancy

0.01

0.016

0.52

  No smoking

-

-

-

Age

0.04

0.002

<0.001

Gender

   

  Male

−0.06

0.035

0.05

  Female

-

-

-

Maternal height

0.04

0.002

<0.001

Economic class

0.07

0.02

<0.001

Breastfeeding

   

  Yes

−0.06

0.04

0.18

  No

-

-

-