Table 2

Participant characteristics

Control

(n = 52)

Experiment

(n = 63)


Mean (SD)

Mean (SD)

P(t - test)


Virtual shopping budget (€)

76.60 (39.53)

70.87 (31.27)

.40


Household size

2.63 (1.77)

2.43 (1.59)

.51


N (%)

N (%)

P(Chi2 test)


Sex (n = 115)

Female

43 (82.7)

48 (76.2)

.39


Age (n = 63) a

18-31

3

2

.52

32-46

8

15

47-61

16

14

62 +

2

3


Ethnicity

Native Dutch

50 (96.2)

58 (92.0)

.46


Grocery responsibility

Totally responsible for groceries

37 (71.1)

33 (52.4)

.12

Largely responsible for groceries

7 (13.5)

13 (20.6)

Partly responsible for groceries

8 (15.4)

17 (27.0)


Education level

Low (primary/lower secondary)

20 (38.5)

5 (8.0)

< .001

Medium (higher secondary/intermediate vocational)

22 (42.3)

46 (73.0)

High (higher vocational/University)

10 (19.2)

12 (19.0)


Employment status

Employed

27 (51.9)

42 (66.7)

.27

Other

25 (48.1)

21 (33.3)


Household income (n = 63)

Low (0-2000)

11 (37.9)

9 (26.5)

.53

(gross monthly in €) a, b

Medium (2000-3000)

8 (27.6)

9 (26.5)

High (3000+)

10 (34.5)

16 (47.0)


Price perception score c

40.7 (7.4)

43.1 (6.0)

.06


Habit score d

35.5 (4.8)

37.2 (4.4)

.06


Appreciation score Virtual Supermarket e

30.4 (4.2)

29.0 (3.7)

.06


aDue to technical issues, this question was not asked to all respondents

bThe standard gross monthly income in the Netherlands (2010) is € 2,508 [30]

cMeasured by 15 items (5-point Likert scale) from the seven "price perception construct scale items" (Lichenstein et al., 1993).

dMeasured by twelve items (5-point Likert scale) self-report index of habit strength (Verplanken et al., 2003)

eMeasured by eight items (5-point Likert scale) on the Virtual Supermarket software

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

Open Data