121 5 A personalized app to improve quality of life of patients with a stoma: A protocol for a multicentre randomized controlled trial Moreover, to optimize its future implementation in standard care, the app is provided by ostomy nurses via the trial and publicized by patient and professional associations. CONCLUSION We hypothesize that patients supported by the intervention version of the mobile app ‘Stoma App’ are better supported and have more self-efficacy in their stoma care, and therefore will have a better quality of life than patients with a stoma who are supported by the control version of the app (and not offered personalized and timed guidance and information, or have access to peer support in the app). By simulating patients’ selfefficacy, other clinical outcomes might also benefit.
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