Component

Key Evidence

Policy/Action Implication

High-Risk Identification

Pooled C-index 0.769 - 0.835; no ML advantage over logistic regression

Use simple, validated tools with calibration; prioritise external validation

Precision Prevention

Area deprivation index predicts increasing BMI trajectory

Combine individual counselling with community-level interventions in high-deprivation areas

Health Management

WHO Digital Health Strategy 2020-2025

Embed models into EHRs; regularly update national digital health strategies