Table 1.

Factorability of the correlation matrix of the 28 original nutrients: Bartlett's test of sphericity and measures of sampling adequacy

Bartlett's test of sphericity: P < 0.001
Kaiser-Meyer-Olkin statistic—overall measure of sampling adequacy: 0.82
Individual measures of sampling adequacy
    <0.60Retinol
    0.60-0.69Linoleic acid
    0.70-0.79Monounsaturated fatty acids, starch, calcium, vitamin C, lycopene, vitamin D, vitamin E, total fiber
    0.80-0.89Animal protein, vegetable protein, cholesterol, saturated fatty acids, other polyunsaturated fatty acids, soluble carbohydrates, sodium, potassium, phosphorus, iron, zinc, thiamin, riboflavin, total folate, niacin
    ≥0.90Linolenic acid, vitamin B6, β-carotene equivalents