Table 1.

The wording of the items in the engagement in dietary behaviour (EDB) scale and the self-efficacy (SE) in science scale (originally stated in Norwegian)

Item	Context	Item phrasing; item 68–73 (EDB scale) and item 74–78 (SE scale)
68	Personal	I am concerned about eating healthy foods
69	Personal	I am concerned that there is a wide selection of healthy foods in the grocery stores I shop at
70	Social	I am concerned that most people in this country can afford to buy and eat healthy foods
71	Social	I am concerned that the cafeterias and vending machines at Norwegian schools and workplaces offer healthy foods
72	Global	I engage myself politically to ensure that the world’s population will have good access to healthy foods
73	Global	I require that rich countries commit themselves to ensure that populations in poor countries have enough healthy food
74	–	I am confident that if I want to learn science properly, I am able to do so
75	–	I am quite sure that I can do an excellent job on science achievement tests
76	–	I am quite sure that I understand even the hardest subject matter in science
77	–	I am confident that I can do an excellent job in solving difficult tasks in science
78	–	I will do better in science than most in my class