Dietitians working at evacuation shelters conduct weighed food records (WFR) for multiple days for dietary assessment. Because the menus in evacuation shelters do not change much from day to day, this study examined whether 1- and 2-d WFR are sufficient for dietary assessment at shelters and identified dietary components that can influence the number of assessment days. Overall, twenty-six WFR were collected from ten shelters in Kumamoto Prefecture, and the amounts of energy
protein
vitamins B