Evaluating the influence of persuasive systems design on continuance intention, perceived effectiveness, and weight loss - Report - MDSpire

Evaluating the influence of persuasive systems design on continuance intention, perceived effectiveness, and weight loss

  • By

  • Sharon Nabwire

  • Eunice Agyei

  • Heta Merikallio

  • Markku J. Savolainen

  • Janne Hukkanen

  • Harri Oinas-Kukkonen

  • June 16, 2026

  • 0 min

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Clinical Report: Assessing the Impact of Persuasive Systems Design on Engagement

Overview

This study investigates how persuasive systems design (PSD) principles influence user engagement, perceived efficacy, and weight loss outcomes in digital health interventions. The findings suggest that effective PSD can enhance user acceptance and ongoing engagement in behavior change systems.

Background

Obesity and overweight are significant public health challenges, with rising prevalence globally. Digital health interventions, particularly behavior change support systems (BCSS), have emerged as promising tools to promote healthy behaviors and weight management. Understanding the factors that enhance user engagement and effectiveness of these systems is crucial for improving health outcomes.

Data Highlights

The study utilized a structural equation model validated with data from a randomized controlled trial involving 181 participants.

Key Findings

  • Persuasive design principles significantly impact perceived persuasiveness and user acceptance of BCSS.
  • Users' perceptions of system features influence their intention to continue using the intervention.
  • Effective PSD can lead to improved weight loss outcomes through enhanced user engagement.
  • Behavior change techniques integrated with persuasive design are essential for optimizing digital health interventions.
  • Understanding user experiences with persuasive features can inform the development of more effective weight management apps.

Clinical Implications

Healthcare providers should consider the integration of persuasive design principles in digital weight management interventions to enhance user engagement and effectiveness. Tailoring these systems to meet user preferences may lead to better health outcomes and sustained behavior change.

Conclusion

Incorporating persuasive systems design into digital health interventions is vital for promoting user engagement and achieving weight loss goals. Further research is needed to refine these systems based on user feedback and experiences.

Related Resources & Content

  1. Frontiers in Digital Health, 2026 -- Innovative Technologies for Altering Dietary Patterns
  2. Journal of General Internal Medicine, 2026 -- Engagement and Weight Change in an Online Weight Management Program
  3. Journal of Medical Internet Research, 2026 -- Digital Patient Decision Aid for Antiobesity Medications
  4. Journal of Medical Internet Research, 2026 -- A Digital Toolkit for Weight Loss Maintenance in European Adults
  5. VA/DOD Clinical Practice Guideline for Management of Overweight and Obesity in Adults, 2025
  6. Journal of Medical Internet Research, 2025 -- Evaluation of Digital Interventions That Support Weight Loss
  7. Semaglutide Effects on Cardiovascular Outcomes in People With Overweight or Obesity, 2023
  8. VA/DOD Clinical Practice Guideline for Management of Overweight and Obesity in Adults
  9. Journal of Medical Internet Research - Evaluation of the Aspects of Digital Interventions That Successfully Support Weight Loss: Systematic Review With Component Network Meta-Analysis
  10. Semaglutide Effects on Cardiovascular Outcomes in People With Overweight or Obesity - American College of Cardiology

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