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Table 6 Snacks, salt, sugar and vitamin supplements, median weekly frequencies and correlation coefficients

From: Test-retest reliability of a new questionnaire on the diet and eating behavior of one year old children

  n Median test Median retest Spearman’s r Cohen’s kappa 1
Fruit or vegetable as snack 94 5 5 0.76 0.42
Plain yoghurt 94 0 0 0.64 0.54
Sweetened yoghurt 94 2 2 0.83 0.65
Ice cream 94 0 0 0.33 0.31
Cookies/crackers 94 0 2 0.84 0.65
Cake/waffle 94 0 0 0.66 0.66
Sweet roll 94 0 0 0.57 0.56
Chocolate 94 0 0 0.69 0.61
Salt snack foods 94 0 0 0.66 0.54
Salt added to child’s food 94 0 0 0.70 0.52
Sugar added to child’s food 94 0 0 0.59 0.58
Cod liver oil2 94 0 0 0.92 0.82
Vitamin D drops 94 0 0 0.96 0.88
Other fish oil 94 0 0 0.84 0.66
Multivitamin supplements 94 0 0 0.90 0.69
  1. 1Scale and frequency variables were ranked into quartile categories for calculating Cohen’s kappa. 2Norwegian health authorities recommend daily cod liver oil for everyone over 6 weeks old. All correlation measures significant at p ≤ 0.001.
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