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Table 3 Results from the mediation analyses in the association between parental education and waist circumference (cm)

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 Mediator effect on WC (path b, M → Y)

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

Total association (path c) (95% CI): -0.94 (−1.47 to −0.41)

      

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

−0.085

−0.504 to 0.335

0.693

   

Breakfast (days/week)

0.26

0.15 to 0.37

<0.001

−0.484

−0.622 to −0.346

<0.001

−0.444

−0.582 to −0.305

<0.001

Active transportation (min/week)

−3.74

−7.09 to 0.39

0.029

−0.002

−0.006 to 0.003

0.489

   

Sports participation (hours/week)

0.50

0.34 to 0.67

<0.001

−0.231

−0.323 to −0.139

<0.001

−0.219

−0.311 to −0.128

<0.001

TV viewing (hours/week)

−1.26

−1.69 to −0.83

<0.001

0.089

0.053 to 0.124

<0.001

0.068

0.029 to 0.107

0.001

Computer use (hours/week)

−1.19

−1.61 to −0.78

<0.001

0.058

0.021 to 0.095

0.002

0.019

−0.021 to 0.059

0.342

Sleep duration (h/day)

−0.04

−0.09 to 0.01

0.105

−0.676

−0.981 to −0.370

<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)

0.01

−0.05 to 0.07

−0.95

−1.48 to −0.42

0.001

-

 

Breakfast (days/week)

−0.13

−0.20 to −0.06

−0.81

−1.34 to −0.28

0.003

13.5

 

Active transportation (min/week)

0.01

−0.01 to 0.04

−0.96

−1.49 to −0.43

0.001

-

 

Sports participation (hours/week)

−0.12

−0.18 to −0.06

−0.96

−1.49 to −0.43

0.002

12.4

 

TV viewing (hours/week)

−0.11

−0.19 to −0.06

−0.83

−0.36 to −0.30

0.002

11.9

 

Computer use (hours/week)

−0.07

−0.14 to −0.03

−0.87

−1.40 to −0.34

0.001

7.4

 

Sleep duration (h/day)

0.03

−0.01 to 0.08

−0.97

−1.49 to −0.44

<0.001

-

 

All significant mediators

−0.34

−0.46 to −0.23

−0.60

−1.13 to −0.07

0.026

35.8

 
  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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