Table 5

Multivariate models for the children’s outdoor play and snack intake behaviours (standardised betas)
Outdoor play Snack intake
behaviour behaviour
Step 1 Step 2 Step 3 Step 1 Step 2 Step 3
Step 1: Distal factors
Ethnicity (Turkish vs. Dutch (reference)) -.081** -.057* -.068 .092** .049 .032
Educational level (middle vs low (reference)) -.031 -.014 -.015 -.017 -.031 -.026
Educational level (high vs low (reference)) -.042 -.014 -.014 -.026 -.023 -.018
Age of child .005 .010** .011** .014** .009 .009
Perceived child weight (-2 = far too heavy, 2 = far too light) .008 -.007 -.014 .007 .025 -.015
Belief that genetic factors cause overweight .001 .018 .016 .015 .010 .008
Step 2: TPB factors
Attitude .014 .002 -.082** -.078**
Subjective norm .001 -.003 .033 ** .033*
Perceived behavioural control .144** .147** -.054** -.058**
Step 3: Interaction terms
Perceived child weight x attitude .024 .005
Perceived child weight x subjective norm -.017 -.015
Perceived child weight x perceived behavioural control -.008 .050*
Ethnicity x attitude .037 -.021
Ethnicity x subjective norm .022 .000
Ethnicity x perceived behavioural control -.007 .034
ΔR2 .018 .200 .006 .036 .049 .011
Full model R2 = .224 R2 = .096

* p < 0.05.

** p < 0.01.

Kocken et al.

Kocken et al. BMC Public Health 2012 12:867   doi:10.1186/1471-2458-12-867

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