This from our combined international team led by Jordan’s Anas Ababneh in the journal Sensors
The Validity and Reliability of Self-Reported Adherence to Using Offloading Treatment in People with Diabetes-Related Foot Ulcers
Summary:
- Objective: Assess validity and reliability of self-reported adherence to removable cast walker (RCW) offloading treatment in people with diabetic foot ulcers (DFUs)
- Participants: 53 people with DFUs using RCWs
- Methods: Comparing self-reported adherence with objectively measured adherence using dual activity monitors; test-retest reliability assessed in a subset of 19 participants after one week
- Results:
- Median self-reported adherence greater than objectively measured adherence (90% vs. 35%, p < 0.01)
- Fair agreement for validity (r = 0.46, p < 0.01); large 95% limits of agreement with significant proportional bias (β = 0.46, p < 0.01)
- Minimal agreement for test-retest reliability (K = 0.36, p < 0.01)
- Conclusion: People with DFUs significantly overestimate their adherence; clinicians and researchers should use objective adherence measures instead
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