Table 4

Agreement for validity of the FFQ

Food items/groups

Value of kappa

Strength of agreement


Potatoes

0.361

Poor

Fruit

0.381

Poor

Sweets

0.400

Poor

Sandwiches

0.403

Poor

Fresh vegetables

0.460

Fair

Meat

0.473

Fair

Cornflakes

0.477

Fair

Fruit juices

0.481

Fair

Breakfast1

0.483

Fair

Bread

0.502

Fair

Milk chocolate

0.525

Fair

Egg

0.537

Fair

Souvlaki

0.540

Fair

Refreshments

0.549

Fair

Potato chips

0.569

Fair

Boiled vegetables

0.574

Fair

Pasta

0.583

Fair

Biscuits

0.588

Fair

Rice

0.592

Fair

Pizza

0.594

Good

Dairy

0.605

Good

Sausages

0.626

Good

Pies

0.657

Good

Fish food

0.715

Good

Legumes

0.725

Good

Cheese

0.731

Good

Milk

0.812

Very Good


1 Breakfast was assessed on a yes or no basis. Refreshments were measured using the can-base unit of commercial refreshments.

Roumelioti and Leotsinidis Nutrition Journal 2009 8:8   doi:10.1186/1475-2891-8-8

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