1. A health checkup supporting method for predicting a checkup receiver's risk of suffering from a disease, said method comprising the steps of: inputting checkup receiver information indicating information showing the possibility of affecting the incidence of a disease obtained with respect to a checkup receiver who has received a health checkup; and finding a value of a risk of the checkup receiver's suffering from the disease based on said inputted checkup receiver information and risk parameters obtained from a ratio of the past checkup receivers' suffering from the disease; wherein said checkup receiver information includes results of at least one of a clinical examination and of a genetic examination conducted with respect to the checkup receiver.