Apparatus and computer program stored in computer-readable medium for measuring biomedical information

Executable by one or more processors in accordance with an embodiment of the invention, and, as for causing the one or more processors including instructions to perform the following operation, a computer program stored on a computer readable medium, the operations: the from a first user action for acquiring electrocardiographic information; Operation for acquiring the living body impedance information from the first user; First identification operation for identifying the first user on the basis of the ECG information obtained from the first user; Operable to determine on the basis of the identification result of the first identification operations, the need for additional identification of the first user; May include a; and wherein further when a need is identified it is determined that the second identification operations with which the obtained base in addition to the bio-impedance information of the at least one additional factor information, additional identification of the first user.