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. 2015 Aug 11;59:10.3402/fnr.v59.28397. doi: 10.3402/fnr.v59.28397

Table 1.

The components underlying the construction of the subscales within the NND score (n=67)

Subscale Related question(s) Response alternatives and coding Calculations (min–max) Median=cut-off Dietary behavior associated with scoring
1: Meal pattern How often do you eat

  • breakfast

  • lunch

  • dinner

  • evening meal/supper

 Never=0
Less than once a week=0.5
Once a week=1
Twice a week=2
Three times a week=3
Four times a week=4
Five times a week=5
Six times a week=6
Every day=7		 Sum of answers to the four questions
(0–28)		 Test: 24.0
Retest: 24.0		 Test:
≤24.0=0
≥25.0=1
Retest:
≤24.0=0
≥25.0=1
2: Nordic fruits How often do you eat typical Nordic fruits (apple, pear, plum) Never=0
Less than once a week=0.5
Once a week=1
Twice a week=2
Three times a week=3
Four times a week=4
Five times a week=5
Six times a week=6
Every day=7
Several times a day=10		 No calculation
(0–10)		 Test: 4.0
Retest: 4.0		 Test:
≤4.0=0
≥5.0=1
Retest:
≤4.0=0
≥5.0=1
3: Root vegetables How often do you eat root vegetables (e.g. carrot, rutabaga, onion)? Never=0
up to
Several times a day=10		 No calculation
(0–10)		 Test: 5.0
Retest: 4.0		 Test:
≤5.0=0
≥6.0=1
Retest:
≤4.0=0
≥5.0=1
4: Cabbages How often do you eat cabbages (e.g. cauliflower, broccoli, brussel sprouts, kale)? Never=0
up to
Several times a day=10		 No calculation
(0–10)		 Test: 3.0
Retest: 3.0		 Test:
≤3.0=0
≥4.0=1
Retest:
≤3.0=0
≥4.0=1
5: Potatoes vs. rice/pasta How often do you eat

  • potatoes

  • rice

  • pasta

 Never=0
up to
Several times a day=10		 Frequency of eating potatoes relative to eating rice and pasta combined:
potatoes/(rice+pasta)
(0–100)		 Test: 0.49
Retest: 0.49		 Test:
<0.49=0
≥0.49=1
Retest:
<0.49=0
≥0.49=1
6: Whole grain breads vs. white breads How often do you eat

  • white breads/bread rolls

  • whole grain breads

  • whole grain hard breads

 Never=0
up to
Several times a day=10		 Frequency of eating whole grain breads and hard breads combined relative to eating refined breads:
(whole grain breads+whole grain hard breads)/refined breads
(0–200)		 Test: 14.67
Retest: 12.00		 Test:
≤14.67=0
>14.67=1
Retest:
≤12.0=0
>12.0=1
7: Oatmeal porridge How often do you eat oatmeal porridge? Never=0
up to
Several times a day=10		 No calculation
(0–10)		 Test: 1.0
Retest: 0.5		 Test:
<1.0=0
≥1.0=1
Retest:
≤0.5=0
>0.5=1
8: Foods from the wild countryside How often do you eat

  • game (e.g. moose, reindeer, deer)

  • lean fish (e.g. cod, caley, haddock)

  • fatty fish (e.g. mackerel, herring, halibut)

  • other seafood (e.g. shrimps, crabs, mussels)

  • berries

 Never=0
up to
Several times a day=10		 Sum of answers to the five questions
(0–50)		 Test: 4.5
Retest: 4.5		 Test:
≤4.5=0
≥5.0=1
Retest:
≤4.5=0
≥5.0=1
9: Milk vs. juice How often do you drink

  • milk

  • fruit juice without added sugar

 Never=0
up to
Several times a day=10		 Frequency of drinking milk relative to drinking fruit juice:
milk/juice
(0–100)		 Test: 1.37
Retest: 0.99		 Test:
≤1.37=0
>1.37=1
Retest:
≤0.99=0
>0.99=1
10: Water vs. sugar/artificially sweetened beverages How often do you drink

  • water

  • sugar sweetened beverages

  • artificially sweetened beverages

 Never=0
up to
Several times a day=10		 Frequency of drinking water relative to drinking sugar sweetened beverages and artificially sweetened beverages combined:
water/(sugar sweetened beverages+artificially sweetened beverages)
(0–100)		 Test: 4.76
Retest: 4.38		 Test:
≤4.76=0
>4.76=1
Retest:
<4.38=0
≥4.38=1

NND, New Nordic Diet.