Relationships among disease knowledge, social support, anxiety and self-efficacy in patients after total knee arthroplasty: A chain mediating effect.
Na Li, Xue Yao, Hong Ji
PMID 36879531WHAT IT FOUND
Patients with better knee arthritis knowledge and stronger social support reported higher self-efficacy and less anxiety.
Nurses should extend education time and involve families to boost confidence and reduce worry during post-surgery rehabilitation.
Key findings
01Disease knowledge positively predicts self-efficacy, with a total effect of 0.466.
02Social support and anxiety partially mediate the relationship between disease knowledge and self-efficacy.
03Patients living alone, with lower education, or more comorbidities had lower self-efficacy scores.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study used a convenience sample from three hospitals in one region, so results may not generalize to other populations. The cross-sectional design cannot establish causality, only associations. Data were collected on the day of discharge, which may not reflect long-term rehabilitation experiences or self-efficacy changes.
Declared interests
The study was funded by a government science program in Shandong Province. The authors declared no conflicts of interest.
The easy way to misread this
Do not assume that increasing disease knowledge alone will directly raise self-efficacy. The study shows this effect is largely mediated through social support and anxiety, meaning education must be paired with efforts to build support networks and reduce worry to be effective.