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A Smart Location-Aware Hand Sanitizer Dispenser System
The design, development and results from the deployment of a hand hygiene monitoring and reminder system is presented. The system is based on a dispenser equipped with low-energy Bluetooth technology which when coupled with a mobile application provides the basic location-awareness necessary to track the proximity of health-care worker to the dispenser. The system architecture provides the unique feature of selectively enabling the dispenser action in the smart dispenser only when the intended user is in its proximity. This feature is critical for deployment of hand sanitizer dispensers in hospital wards where there is apprehension in patients ingesting the sanitizer persists. The mobile application maintains an online database of the hand hygiene event records. The records are presented to administrators through a web-based dashboard for assessment and improvement of organizational hand-hygiene compliance levels. Preliminary quantitative results as well as qualitative results are presented and demonstrate the effectiveness of the system to serve as form of motivation for health care workers to improve their hand hygiene compliance.