Table 3.

Standardized Cronbach's coefficient alpha for each factor and standardized Cronbach's coefficient alpha when item deleted for each factor and nutrient

Animal productsStarch-richVitamins and fiberVUFAAUFA
Standardized α when item deleted
    Animal protein0.9670.861
    Vegetable protein0.946
    Cholesterol0.9690.864
    Saturated fatty acids0.9680.886
    Monounsaturated fatty acids0.881
    Linoleic acid0.879
    Linolenic acid0.870
    Other polyunsaturated fatty acids0.858
    Soluble carbohydrates0.9720.930
    Starch0.950
    Sodium0.9690.950
    Calcium0.969
    Potassium0.9670.9460.916
    Phosphorus0.965
    Iron0.9690.950
    Zinc0.9660.945
    Thiamin (vitamin B1)0.9670.9460.919
    Riboflavin (vitamin B2)0.967
    Vitamin B60.9660.9440.916
    Total folate0.9690.917
    Niacin0.9470.856
    Vitamin C0.930
    Retinol0.921
    β-Carotene equivalents0.942
    Lycopene0.962
    Vitamin D0.870
    Vitamin E0.841
    Total fiber0.918
Standardized α0.9700.9540.9330.8950.892

NOTE: Cronbach's coefficient alpha values generally range between 0 and 1.

Abbreviations: VUFA, vegetable unsaturated fatty acids; AUFA, animal unsaturated fatty acids.