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Abstract Objective The study objective was to assess participant weight change for the English National Health Service (NHS) Digital Weight Management Programme, the first such digital intervention to achieve population coverage. Methods A service evaluation was used to assess intervention effectiveness for adults with obesity and a diagnosis of hypertension and/or diabetes, between April 2021 and March 2022, using prospectively collected, national service–level data in England. Results Of the 63,937 referrals made from general practices, within the time period, 31,861 (50%) chose to take up the 12‐week Programme. There were 31,718 participants who had time to finish the Programme; of those, 14,268 completed the Programme (defined as attending ≥60%), a 45% completion rate. The mean weight change for those who had time to finish the Programme was −2.2 kg (95% CI: −2.25 to −2.16), for those who completed it was −3.9 kg (95% CI: −3.99 to −3.84), and for those who had time to finish the Programme but did not complete it was −0.74 kg (95% CI: −0.79 to −0.70). Conclusions The NHS Digital Weight Management Programme is effective at achieving clinically meaningful weight loss. The outcomes compare favorably to web‐based weight management interventions tested in randomized trials and those delivered as face‐to‐face interventions, and results suggest that the approach may, with increased participation, bring population‐level benefits.
Taylor et al. (Sun,) studied this question.