Table 1 Fruit and Vegetable questions and response options

Fruit frequency

“Including tinned, frozen, dried and fresh fruit, on how many days in a usual week do you eat fruit?”

Never [coded as 0]

1–3 Days [2]

4–6 Days [5]

Every day [7]

Fruit amount

“On the days when you eat fruit, how many portions (e.g. an apple, an orange, some grapes) do you eat?”

Values > = 0

Vegetable frequency

“Including tinned, frozen and fresh vegetables, on how many days in a usual week do you eat vegetables? Do not include potatoes, crisps or chips.”

Never [coded as 0]

1–3 Days [2]

4–6 Days [5]

Every day [7]

Vegetable amount

“On the days when you eat vegetables, how many portions (i.e. 3 heaped tablespoons) do you eat? Please do not include potatoes.”

Values > = 0