NMR Metabolomics-Based Risk Assessment and Stratified Digital Health Interventions in Middle-Aged Adults (PREMAP)

PREMAP invites residents of the Eloisa region (South Savo, Finland) turning 45, 50, or 55 years of age in 2026 to undergo a blood-based NMR metabolomics risk assessment for five interlinked cardio-renal-metabolic conditions (type 2 diabetes, coronary heart disease/myocardial infarction, stroke/cardiovascular disease, chronic kidney disease, and fatty liver disease), alongside a mental wellbeing assessment (WHO-5 Well-Being Index). Based on this risk profile, participants are classified as low, moderate, or high multi-disease risk. Participants at moderate or high risk are individually randomized in a 1:1:1 ratio to one of three digital health interventions for up to 12 months: a habit-based lifestyle application (BitHabit), a structured digital lifestyle coaching programme (Onnikka), or a guideline-based digital self-care pathway (Oma Eloisa, comparator). Participants at high risk additionally receive a physician consultation and optimization of guideline-directed medical therapy. All participants, including the non-randomized low-risk group, are followed prospectively at baseline, 6 months, and 12 months. The study evaluates whether early risk identification and risk-stratified digital interventions reduce future disease risk and improve wellbeing and estimates the cost-effectiveness of the overall approach for the Finnish healthcare system.