Digital screening interventions were tested among 1700 Londoners aged 40-74 without cardiovascular disease. A randomized controlled trial indicated varied uptake rates, which ranged from 12% to 20%. Various reminder methods were implemented; the postal reminder was notably more effective than SMS reminders. The combination of digital and in-person services may raise the overall screening uptake. Agile approaches facilitate ongoing improvements to invitation strategies. Findings support the potential of mixed-modality screening programs to enhance participation rates in health checks.
A six-arm pragmatic unregistered randomised controlled trial (RCT) showed that uptake varied from 12% with standard SMS to 20% with the shortest SMS, a significant difference (P = 0.009).
Three sequential reminders were tested, with the first SMS reminder increasing uptake by +3%. The postal reminder proved to be more effective (+7%), while the final SMS reminder also contributed +7%.
Incorporating digital care alongside in-person care could potentially raise overall uptake for screening from approximately 50% to 60%, presenting a viable strategy for improving engagement.
Agile evaluations allow rapid improvements in invitation systems, demonstrating the importance of iterative feedback and adaptation in enhancing participation in health screening.
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