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Randomised controlled trial
Long term impact of screening for type 2 diabetes mellitus – a commentary on new evidence
  1. Helen C Eborall
  1. Department of Health Sciences, University of Leicester, Leicester, UK
  1. Correspondence to : Dr Helen C Eborall, Department of Health Sciences, University of Leicester, 22-28 Princess Road West, Leicester LE1 6TP, UK; hce3{at}

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Despite fulfilling many of the criteria for a screening programme, population-based screening for type 2 diabetes mellitus (T2DM) continues to be the focus of debate, chiefly concerning the balance of benefits against harms.1–3 This paper contributes by analysing the long-term impact of a single round of population-based screening on three key outcomes: (1) cardiovascular morbidity—which modelling data suggests could be reduced by screening; (2) self-rated health—an independent predictor of morbidity and mortality and (3) health-related behaviour—particularly the potential for continued engagement in ‘unhealthy’ behaviours from false reassurance following a negative screening test. This paper addresses the …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.