Table 1

Description of family- environmental factors, numbers of items, mean (SD), internal consistency, sample items and range


No. of items
Internal consistency (α)
Examples of questions, response options and ranges




Child
Parent



Fruit consumption





Modelling by mother
1
-
-
My child's mother eats fruit everyday; totally disagree (-2) to totally agree (+2)

Modelling by father
1


My child's father eats fruit everyday; totally disagree (-2) to totally agree (+2)

Subjective norm
(nb * mc)
2
-
-
Motivation to comply (mc): My child does what we tell him/her to do; totally disagree (1) to totally agree (5)
Normative belief (nb): My child thinks we want him/her to eat more fruit; totally disagree (-2) to totally agree (+2)

Exposure
14
.72
.71
Has your child ever tasted tangerines, banana, kiwi fruit, etc? (0–14)

Accessibility
1
-
-
Do you or your partner (sometimes) prepare fruit for your child? Yes (1) or no (0)

Availability
2
.51
.73
[1] Do you always have fruit [2] that your child likes available at home? Yes, always (+2) to No, never (-2)


Vegetable consumption





Modelling by mother
1
-
-
My child's mother eats vegetables everyday; totally disagree (-2) to totally agree (+2)

Modelling by father
1
-
-
My child's father eats vegetables everyday; totally disagree (-2) to totally agree (+2)

Subjective norm
(nb * mc)
2
-
-
-

Exposure
15
.67
.78
Has your child ever tasted cauliflower, broccoli, carrots, etc? (0–15)

Accessibility
1
-
-
Do you or your partner (sometimes) prepare vegetables as a snack for your child? Yes (1) or no (0)

Availability
2
.49
.57
[1] Do you always have vegetables, [2] that your child likes available at home? Yes, always (+2) to No, never (-2)


Reinaerts et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:33   doi:10.1186/1479-5868-4-33