Fig. 1

Schematic diagram for the utilization of the database of cognitive and walking functions. This is the ultimate goal of this study: First, a person wears the IoT clothes that can collect the walking parameters in daily environments (1). Parameters of walking functions are uploaded to the cloud, and cloud computing is performed to define the risks of cognitive impairment and frailty (2). When the risks are above standard value, notifications will be sent to the person’s smartphone (3). Finally, that person will start preventive activities according to the notifications