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OJO: Fuzzy Logic based Digital Health Coaching for Scalable Diabetes Prevention

Prediabetes (the pre-diagnosis of type 2 diabetes) is at epidemic levels all over the world and still increasing. By 2030, 470 million people will suffer from this disease. Lifestyle interventions can significantly counteract the risk of developing type 2 diabetes. We present a scalable approach for lifestyle coaching by translating the American Diabetes Prevention Program into a dynamic, self-empowering, online-program, to which we have added a digital health coach based on fuzzy logic that will act like a nutrition coach. We conducted a 5-year study and concluded with enough evidence that the digital health coach is effective and that participants achieve an average weight loss of 5.6 kg over the course of 2 years.