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. 2018 Sep 12;62:10.29219/fnr.v62.1339. doi: 10.29219/fnr.v62.1339

Table 1.

Food items from the food frequency questionnaire included in the calculation of the Healthy Nordic Food Index in the Norwegian Women and Cancer cohort

Index food category (number of questions) Description of food items included in the index food category Changes Scoring criteria Separate portion size question
Fish (12) Median
Fish as a main course (6)

  • Poached cod, pollock, haddock, Pollack

  • Fried cod, pollock, haddock, Pollack

  • Catfish/flounder/redfish

  • Salmon/trout

  • Mackerel

  • Herring

 Subcohorts 4 and 5 include a category for ‘other fish’ Yes
Fish spread (6)

  • Mackerel in tomato/smoked

  • Mackerel

  • Caviar

  • Herring/anchovies

  • Salmon, smoked/cured

  • Other fish spread

 Subcohort 1 includes questions on tuna and sardine.
Subcohort 1 and 2 include three categories, that is, mackerel in tomato/smoked mackerel, caviar, and other fish spread.		 No*
Root vegetables (2)

  • Carrots

  • Swede

 Median Yes
Cabbage (2)

  • Cabbage

  • Broccoli/cauliflower

 Median Yes
Apples/pears (1)

  • Apples/pears

 Median No
Whole grain bread (1)

  • Whole grain bread

 Subcohorts 4 and 5 include a question on kneipp bread (partly whole grain). Median No
Breakfast cereals (1)

  • Cereal/oatmeal/muesli

 Consumers/non-consumers No
*

Correspond to the number of slices of bread with fish spread in the FFQ.