The goal of this clinical trial is to help prevent the development of type 2 diabetes (T2D) in adults who are at risk. The study will test a digital intervention called VA\|PREVENTION, a web application designed to support and promote healthy behaviour changes known has T2D risk factors, such as physical activity, diet, and sedentary behaviuor. The main questions this study will explore are:• Is the VA\|PREVENTION web app, which includes a virtual human coach, effective in preventing type 2 diabetes?• Can the VA\|PREVENTION web app be successfully implemented in real-world settings?• Is the VA\|PREVENTION web app cost-effective?• Is it safe for participants to use?To answer these questions, the study team will compare the VA\|PREVENTION web app to an openly available guidebook that provides standard information about preventing type 2 diabetes.Participants will complete the following activities: * Participants will be randomly assigned to one of two groups: one group will use the VA\|PREVENTION app, while the other group will have access to an openly accessible guidebook on T2D prevention. * Participants will be in the study for 10 months. * Participants will be assessed at the start of the study (baseline), and again at 4 months and 10 months. * Assessments will include body measurements (such as weight, height, and waist circumference), physical activity levels, and responses to questionnaires.
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Change in waist circumference (WC)
Timeframe: Baseline (T0), 4 months (T1), 10 months (T2)