Table 9

Hierarchical multiple regression model

VariableBStd. error βt-value
Step 1
(Intercept)6.80***0.2527.15
Gender0.53*0.242.25
Age−0.18***0.05−3.30
Step 2
(Intercept)5.93***0.5211.36
Gender0.49*0.242.08
Age−0.14**0.06−2.55
Family0.20†0.111.78
Income0.04*0.070.60
Step 3
(Intercept)4.31***0.557.80
Gender0.28†0.221.26
Age−0.10*0.054−1.86
Family−0.15*0.101.49
Income0.010.060.15
Food leftovers1.19***0.1011.27
Motivation0.40***0.094.09
Action−0.45***0.07−6.57
Notes:

R2 = 0.017 for Step 1 (p < 0.001); ΔR2 = 0.10 for Step 2; R2 = 0.20 for Step 2 (p < 0.001); ΔR2 = 0.15 for Step 3; R2 = 0.37 for Step 3 (p < 0.001); significance levels: ***p < 0; **p < 0.001; *p < 0.01; †p < 0.05

Source: Authors’ own work
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