Table 5

Hierarchical regression model explaining the variance in children's vegetable intake (n = 776).

step 1

step 2

step 3

step 4

Beta

P-value

Beta

P-value

Beta

P-value

Beta

P-value


    background variables

Gender

0.19

< 0.01

0.15

< 0.01

0.14

< 0.01

0.12

< 0.01

Residence

0.06

0.08

0.02

0.56

0.00

0.89

0.03

0.25

SES mother

0.07

0.04

0.07

0.06

0.07

0.04

0.05

0.13

SES father

0.11

< 0.01

0.08

0.02

0.06

0.06

0.07

0.02

    perceived physical-environmental

Availability at home

0.37

< 0.01

0.26

< 0.01

0.11

< 0.01

Availability at school

0.02

0.51

0.01

0.87

-0.01

0.75

    perceived socio-environmental

Modelling

0.13

< 0.01

0.08

0.02

Active encouragement

-0.05

0.30

-0.12

< 0.01

Demand family rule

0.22

< 0.01

0.22

< 0.01

Allow family rule

-0.01

0.87

-0.03

0.44

    personal

Knowledge

0.10

< 0.01

Attitudes

0.00

0.92

Liking

0.19

< 0.01

Self-efficacy

0.10

< 0.01

Preferences

0.22

< 0.01

Perceived barriers

-0.02

0.46

adjusted R2

0.062

0.192

0.240

0.394

R2 change

0.067

< 0.01

0.131

< 0.01

0.051

< 0.01

0.157

< 0.01


Kristjansdottir et al. International Journal of Behavioral Nutrition and Physical Activity 2006 3:41   doi:10.1186/1479-5868-3-41

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