Performance evaluation of the Activity Analyzer

The purpose of this study is to evaluate the performance of the Activity Analyzer used to monitor and encourage physical activities of older adults. The Activity Analyzer is a wearable device designed to monitor the daily activity and inactivity according to a preprogrammed time schedule. The device is also capable of playing back pre-recorded messages to encourage exercises if periods of inactivity are detected under predefined conditions. At the end of the day, the daily activity data with a time resolution of 5 minutes can be retrieved from the mobile unit via a docking station for further analysis. The study provided preliminary test results from human subjects to evaluate the performance and optimize parameters of the device. The result is useful as a guideline for a larger-scale human study to assess the effectiveness of the device in terms of improving the daily activities for older adults.