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Table 1
The 12 scores grouped into five categories, assessing intake, healthy behaviours, attitude, environment and knowledge, the individual items contributing to each score and the response for each item.
Category Score (total items)	Items in each score	No. of items	Response

Intake

Non-core food (14)	Consumption at recess, lunch or after school of following listed foods potato crisps, chocolate, lollies, muesli bar, savoury biscuits, sweet biscuits, ice-cream/ice block, hot chips, pie/pasty/sausage roll, hot dog, pizza	11	Tick if consumed ^Ω
	No. times/week the following listed foods eaten: chocolate/lollies, potato crisps, hot chips	3	Frequency scale A^ψ
Sweetened beverages (6)	Consumption at recess, lunch or after school of following listed drinks Cordial, fruit juice, soft drink, diet soft drink	4	Tick if consumed^Ω
	No. times/week the following listed drinks consumed: fruit juice, regular soft drink	2	Frequency scale A^ψ
Sweetened beverages without diet soft drink	As above but without diet soft drink	5
Water (2)	Consumption of water at recess, lunch or after school	1	Tick if consumed^Ω
	no. times/week drink water	1	Frequency scale A^ψ
Fruit (4)	Consumption of fresh and dried fruit consumed at recess, lunch or after school	2	Tick if consumed^Ω
	Estimated number of fruit serves consumed/day	1	Frequency scale B^Σ
	Number of different fruit consumed yesterday (from a list of 15)	1	Tick if consumed: reduced to none = 0, 1 = 1, 2–3 = 2, 4–5 = 3, 6–15 = 4
Vegetables (3)	Vegetables consumed at recess, lunch and after school	1	Tick if consumed^Ω
	Estimated number of vegetable serves consumed/day	1	Frequency scale B^Σ
	Number of different vegetables consumed yesterday (from a list of 25)	1	Tick if consumed: reduced to none = 0, 1–3 = 1, 4–6 = 2, 7–9 = 3, 10–25 = 4

Healthy behaviour

Healthy behaviour (8)	Number of times per week: eat breakfast, carry water bottle, help with groceries, help prepare dinner, eat dinner with family, eat dinner in front of TV^§, eat snacks in front of TV^§, eat fast food^§	8	Frequency scale A^ψ

Attitude

Fruit (5)	With regards to fruit, agreement with: makes me feel healthy^§, tastes good^§, easy snack^§, I like tasting new fruits^§, cheap^§	5	Likert scale (1 to 5)*
Vegetable (4)	With regards to vegetables, agreement with: makes me feel healthy^§, tastes good^§, I like tasting new vegetables^§, easy to prepare^§	4	Likert scale (1 to 5)*

Environment

Fruit & vegetable (6)	With respect to fruit & vegetables, agreement with: veg usually served at dinner^§, fruit available to eat at home^§, parents & teachers encourage fruit & veg consumption^§	4	Likert scale (1 to 5)*
	Frequency of fruit & veg break at school	1	Frequency scale C^Φ
	Number of fruits and vegetables (15 fruit, 25 veg) never consumed/don't know what they are	1	Tick if never consumed or don't know what they are: fruit recoded: none = 2, 1–3 = 1, 4–15 = 0; vegetable recoded: none = 3, 1–2 = 2, 3–6 = 1, 7–25 = 0; two values summed

Knowledge

Fruit (1)	No. serves fruit should be consumed by a child of your age each day	1	Select from: none, < 1 a day, 1–2 a day, more than 5 a day
Vegetables (1)	No. serves vegetables should be consumed by a child of your age each day	1	Select from: none, < 1 a day, 1–2 a day, more than 5 a day

Ω ^Score 1 for each item consumed at each time point ψ Frequency scale A: never/rarely, less than once/week, about 1–3 times per week, about 4–6 times per week, every day, given values 1–5 respectively Σ Frequency scale B: I don't eat fruit (vegetable), less than 1 serve per day, 1–2 serves per day, 3–5 serves per day, more than 5 serves per day, given values 1–5 respectively ^§Item reverse scored before summing * Likert scale: strongly agree, agree, not sure, disagree, strongly disagree, given values 1–5 respectively Φ Frequency scale C: never/rarely, once a week, most days a week, every day, given values 1–4 respectively
Wilson et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:5 doi:10.1186/1479-5868-5-5

Table 1