Table 4

Intervention effect of the 25% discount on fruits and vegetables on food purchases and expenditures in the Virtual Supermarket

B

Lower

95% CI

Upper

95% CI

P value


FRUIT AND VEGETABLES

Fruit and vegetable expenditures (€)

-1.22

-3.04

0.60

0.19

Purchased vegetables (in items)

0.92

-0.36

2.19

0.16

Purchased vegetables (in grams)

504

-64

1,071

0.08

Purchased fruit (items)

0.41

-0.07

0.90

0.09

Purchased fruit (in gram)

481

-69

1,030

0.09

Total purchased fruit & vegetables (items)

1.33

-0.16

2.82

0.08

Total purchased fruit & vegetables (gram)

984

97

1,872

0.03*


OTHER FOOD ITEMS

Expenditures in Virtual Supermarket (€)

0.97

-6.14

8.07

0.79

Total items purchased (n)

3.58

-2.22

9.38

0.22

Total calories purchased (kcal)

2,327

-3,494

8,147

0.43

Items in other food categories (n) a

2.25

-2.91

7.41

0.39

Expenditures in other food categories (€) a

2.19

-4.12

8.50

0.49

Expenditures on desserts (e.g., pudding, yoghurt, etc.) (€)

0.13

-0.45

0.72

0.65

Expenditures on soda (€)

-0.03

-0.73

0.67

0.93

Expenditures on crisps (€)

-0.27

-0.66

0.13

0.18

Expenditures on candy (excl. chocolate) (€)

0.07

-0.39

0.53

0.78

Expenditures on chocolate (€)

-0.22

-0.61

0.18

0.28


Linear regression model corrected for: sex, education level, ethnicity, responsibility for real groceries, price perception score, index of habit strength, appreciation of the Virtual Supermarket, household size and virtual shopping budget

*Significant at p < .05

Waterlander et al. International Journal of Behavioral Nutrition and Physical Activity 2012 9:11   doi:10.1186/1479-5868-9-11

Open Data