Table 2.

Internal consistency the overall questionnaire and individual sections.

	Cronbach’s alpha
Overall Cronbach’s alpha (43 items)	0.88
Energy density (19 items)	0.78
Portion size (15 items)	0.74
Variety of food affects food intake (2 items)	0.18
Reliable nutrition information source (2 items)	0.23
Alcohol intake and sugar sweetened beverages (5 items)	0.44