Freedman et al Data Supplement

Implementation of NRC method and convention used for dealing with biomarker-based densities

Files in this Data Supplement:

• Appendix - Appendix consists of three parts: (1) Description of imlementation of NRC method; (2) Details of the NRC method applied to biomarker-based reference nutritient density; (3) Details of the admustment to 24hr energy (or potassium) based on protien biomarker and based on energy biomarker
• Figures - Figure 1: Distribution of usual energy intake for male participants in the OPEN study, as estimated by six different methods; Figure 2: Distribution of usual energy intake for female participants in the OPEN study, as estimated by six different methods