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Table 4 Mediation effects on association between parental educational level, relative income level, and children’s FV consumption (Single-mediator models, 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

Mediator

Exposure levels

Direct effect (c’)

a-path

b-path

Indirect effect (a*b)

b (SE)

95% CI

b (SE)

95% CI

b (SE)

95% CI

b (SE)

95% CI

Parental educational level

Availability of FV (N = 569)

Low (ref)

        

Middle

-0.41 (1.01)

-2.39–1.57

0.80 (0.26)**

0.30–1.30

1.43 (0.17)**

1.10–1.75

1.15 (0.43)+

0.36–2.02

High

2.76 (1.17)*

0.46–5.06

0.96 (0.30)**

0.38–1.54

  

1.37 (0.46)+

0.51–2.30

Parental role-modeling of FV consumption (N = 569)

Low (ref)

        

Middle

-0.42 (0.97)

-2.33–1.48

1.33 (0.54)*

0.27–2.38

0.83 (0.08)**

0.68–0.98

1.10 (0.48)+

0.20–2.09

High

3.01 (1.12)**

0.80–5.22

1.40 (0.62)*

0.18–2.62

  

1.16 (0.51)+

0.18–2.20

Availability of SFD (N = 564)

Low (ref)

        

Middle

0.95 (1.07)

-1.14–3.05

1.13 (0.54)*

0.08–2.19

-0.21 (0.08)*

-0.38 – -0.05

-0.24 (0.16)+

-0.61 – -0.001

High

4.43 (1.23)**

2.01–6.84

1.13 (0.62)

-0.09–2.34

  

-0.24 (0.18)

-0.66–0.03

Parental role-modeling of SFD consumption (N = 571)

Low (ref)

        

Middle

0.71 (1.06)

-1.37–2.79

-0.01 (0.33)

-0.65–0.63

-0.01 (0.14)

-0.28–0.25

0.0002 (0.05)

-0.10–0.12

High

4.21 (1.23)**

1.79–6.63

0.06 (0.13)

-0.19–0.31

  

-0.002 (0.06)

-0.1–0.13

Relative income

Availability of FV (N = 521)

Low (ref)

        

Middle

-0.13 (1.12)

-2.34–2.07

0.59 (0.28)*

0.04–1.13

1.41 (0.18)**

1.06–1.76

0.83 (0.42)+

0.04–1.68

High

0.88 (1.17)

-1.42–3.18

1.05 (0.29)**

0.49–1.61

  

1.49 (0.46)+

0.66–2.43

Parental role-modeling of FV consumption (N = 523)

Low (ref)

        

Middle

-0.06 (1.07)

-2.15–2.04

0.87 (0.58)

-0.27–2.02

0.85 (0.08)**

0.70–1.01

0.75 (0.51)

-0.25–1.77

High

1.31 (1.11)

-0.88 –3.48

1.31 (0.60)*

0.12–2.50

  

1.13 (0.53)+

0.10–2.18

Availability of SFD (N = 518)

Low (ref)

        

Middle

0.78 (1.18)

-1.54–3.10

1.23 (0.58)*

0.09–2.37

-0.19 (0.09)*

-0.36 – -0.01

-0.23 (0.17)

-0.62–0.01

High

2.57 (1.22)*

0.16–4.98

1.57 (0.60)**

0.39–2.75

  

-0.29 (0.19)

-0.75–0.01

Parental role-modeling of SFD consumption (N = 524)

Low (ref)

        

Middle

0.70 (1.18)

-1.62–3.01

-0.78 (0.36)*

-1.48 – -0.07

0.03 (0.14)

-0.25–0.31

-0.02 (0.13)

-0.33–0.22

High

2.45 (1.22)*

0.05–4.84

-0.71 (0.37)

-1.44–0.02

  

-0.02 (0.12)

-0.30–0.20

  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