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Table 2 Results from the mediation analyses in the association between parental education and BMI (kg/m 2 )

From: Parental education associations with children’s body composition: mediation effects of energy balance-related behaviors within the ENERGY-project

(n = 4636)

Parental education effect on mediator (path a, X → M)

Single mediator model Mediatior effect on BMI (path b, M → Y)

Multiple mediator model Mediator effect on BMI (path b, M → Y)

Total association (path c) (95% CI): -0.43 (−0.64 to −0.23)

    

Mediator:

Beta

95% CI

p-value

Beta

95% CI

p-value

Beta

95% CI

p-value

Sugared drinks (l/day)

−0.14

−0.18 to −0.11

<0.001

−0.186

−0.346 to −0.025

0.233

−0.279

−0.443 to −0.116

<0.001

Breakfast (days/week)

0.26

0.15 to 0.37

<0.001

−0.211

−0.264 to −0.158

<0.001

−0.200

−0.253 to −0.147

<0.001

Active transportation (min/week)

−3.63

−6.99 to −0.28

0.034

0.001

−0.002 to 0.002

0.889

   

Sports participation (hours/week)

0.50

0.33 to 0.66

<0.001

−0.062

−0.097 to −0.027

<0.001

−0.055

−0.090 to −0.021

0.002

TV viewing (hours/week)

−1.27

−1.67 to −0.81

<0.001

0.028

0.015 to 0.042

<0.001

0.024

0.009 to 0.038

0.002

Computer use (hours/week)

−1.19

−1.60 to −0.77

<0.001

0.020

0.005 to 0.034

0.006

0.010

−0.005 to 0.025

0.205

Sleep duration (h/day)

−0.04

−0.09 to 0.01

0.114

−0.309

−0.426 to −0.192

<0.001

   

All significant mediators

         
 

Indirect effect (a*b, X → M → Y)

Direct effect (path c′, X → Y adj M )

Percentage mediated (a*b/c)

 

Mediator:

Beta

95% CI

Beta

95% CI

p-value

%

 

Sugared drinks (l/day)

0.03

0.03 to 0.05

−0.46

−0.66 to −0.26

<0.001

−6.1

 

Breakfast (days/week)

−0.05

−0.08 to −0.03

−0.38

−0.58 to −0.18

<0.001

12.6

 

Active transportation (min/week)

0.01

−0.01 to 0.01

−0.43

−0.64 to −0.23

<0.001

-

 

Sports participation (hours/week)

−0.03

−0.05 to −0.02

−0.40

−0.61 to −0.20

<0.001

7.1

 

TV viewing (hours/week)

−0.03

−0.06 to −0.02

−0.40

−0.60 to −0.20

<0.001

8.0

 

Computer use (hours/week)

−0.02

−0.05 to −0.01

−0.41

−0.61 to −0.21

<0.001

5.4

 

Sleep duration (h/day)

0.01

−0.01 to 0.03

−0.45

−0.65 to −0.24

<0.001

-

 

All significant mediators

−0.08

−0.13 to −0.03

−0.35

−0.56 to −0.23

0.001

18.7

 
  1. For an explanation of a, b, c, c’, please see Figure 1.
  2. All models were adjusted for age, gender and country.
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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