Cost‐effectiveness of population‐based, community, workplace and individual policies for diabetes prevention in the UK

Abstract

AimTo analyse the cost‐effectiveness of different interventions for Type 2 diabetes prevention within a common framework.MethodsA micro‐simulation model was developed to evaluate the cost‐effectiveness of a range of diabetes prevention interventions including: (1) soft drinks taxation; (2) retail policy in socially deprived areas; (3) workplace intervention; (4) community‐based intervention; and (5) screening and intensive lifestyle intervention in individuals with high diabetes risk. Within the model, individuals follow metabolic trajectories (for BMI, cholesterol, systolic blood pressure and glycaemia); individuals may develop diabetes, and some may exhibit complications of diabetes and related disorders, including cardiovascular disease, and eventually die. Lifetime healthcare costs, employment costs and quality‐adjusted life‐years are collected for each person.ResultsAll interventions generate more life‐years and lifetime quality‐adjusted life‐years and reduce healthcare spending compared with doing nothing. Screening and intensive lifestyle intervention generates greatest lifetime net benefit (£37) but is costly to implement. In comparison, soft drinks taxation or retail policy generate lower net benefit (£11 and £11) but are cost‐saving in a shorter time period, preferentially benefit individuals from deprived backgrounds and reduce employer costs.ConclusionThe model enables a wide range of diabetes prevention interventions to be evaluated according to cost‐effectiveness, employment and equity impacts over the short and long term, allowing decision‐makers to prioritize policies that maximize the expected benefits, as well as fulfilling other policy targets, such as addressing social inequalities.

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What are the cost-savings and health benefits of improving detection and management for six high cardiovascular risk conditions in England? An economic evaluation

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