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Table 5 Mediation effects on associations between parental educational level, relative income of family, and children’s FV consumption (Multiple-mediator model, adjusted for gender and age of child)

From: Associations between socioeconomic status, home food availability, parental role-modeling, and children’s fruit and vegetable consumption: a mediation analysis

Exposure

Multiple-mediator model

Exposure level

Total effect (c)

Direct effect (c’)

Indirect effect (a*b)

b (SE)##

95% CI

b (SE)##

95% CI

b (SE)##

95% CI

Parental educational level

Total mediation effect (N = 557)

All significant mediators in the Single-mediator model together

Low (ref)

      

Middle

0.71 (1.08)

-1.41–2.83

-0.64 (0.96)

-2.53–1.24

  

High

4.27 (1.25)**

1.872– 6.72

2.76 (1.10)*

0.51–4.86

  

Availability of FV

Low (ref)

      

Middle

    

0.80 (0.33)+

(0.22–1.50)

High

    

1.00 (0.36)+

(0.35–1.77)

Parental role-modeling of FV consumption

Low (ref)

      

Middle

    

0.84 (0.39)+

(0.013– 1.66)

High

    

0.89 (0.42)+

(0.10–1.76)

Availability of SFD

Low (ref)

      

Middle

    

-0.29 (0.16)+

(-0.66 – -0.04)

High

    

-0.30 (0.18)+

(-0.72 – -0.01)

Relative income

Total mediation effect (N = 519)

All significant mediators in the Single-mediator model together

Low (ref)

      

Middle

0.72 (1.19)

-1.61–3.05

-0.43 (1.05)

-2.49–1.64

  

High

2.44 (1.23)*

0.03–4.85

0.55 (1.10)

-1.61–2.71

  

Availability of FV

Low (ref)

      

Middle

    

0.54 (0.28)+

0.02–1.12

High

    

0.98 (0.33)+

0.40–1.67

Parental role-modeling of FV consumption

Low (ref)

      

Middle

    

0.61 (0.43)

-0.25–1.46

High

    

0.91 (0.46)+

0.06–1.83

  1. FV = fruits and vegetables, SFD = sugary food and drinks. b = unstandardized coefficient. SE = standard error. * Statistically significant effect at p-level < 0.05. ** Statistically significant effect at p-level < 0.01. + Statistically significant indirect effect at p-level < 0.05