Additional file 1.Factor loadings of the food items (supplementary variables) on the first two principal components identified. Table alternative to figure 2 presenting the factor loadings of the food items on the first two principal components. Format: PDF Size: 31KB Download file This file can be viewed with: Adobe Acrobat Reader Becquey et al. Nutrition Journal 2010 9:13 doi:10.1186/1475-2891-9-13 |