Table 1

FFQ items used to calculate servings of fruits and vegetables

Fruit & vegetable assessment methodFFQ
7-item FFQa100-item FFQb122-item FFQc
5 A Day method
Summary QuestionsFruit, not including juicesFruit, not including juicesFruit, not including juices
Vegetables, not including salad and potatoesVegetables, not including salad and potatoesVegetables, not including salad and potatoes
JuiceOrange and grapefruit juiceOrange and grapefruit juiceOrange and grapefruit juice
Other 100% fruit juicesOther fruit juicesOther fruit juices
SaladGreen saladGreen salad, including spinach saladLettuce and plain lettuce salad
Mixed lettuce or spinach salad with vegetables, such as carrots or tomatoes
Fried potatoesFried potatoesFried potatoes, such as French fries and hash brownsFried potatoes, such as French fries and hash browns
Fried plantainsFried plantains
Other potatoesOther potatoesOther potatoes, cassava, yucca (boiled, baked, mashed)Other potatoes, cassava, yucca (boiled, baked, mashed)
Sweet potatoes, yamsSweet potatoes, yams
Total7 items 9 items10 items
Summation
Fruit10 items11 items
Juice 2 items 2 items
Vegetables13 items16 items
Salad 1 item 2 items
Fried Potato 2 items 2 items
Other Potato 2 items 2 items
Total30 items35 items
  • a Seattle 5 A Day Worksite Project (7) .

  • b Women’s Health Trial: Feasibility Study in Minority Populations (16) .

  • c Olestra Post-Marketing Surveillance Study (17) .