Reliability and Validity of the Japanese Version of the Exercise Self-Efficacy Scale in Older People Undergoing Lower Extremity Arthroplasty.
Mina Matsumura, Kimie Fujita, Yuriko Matsunaga-Myoji and 3 others
PMID 40259623WHAT IT FOUND
The Japanese Exercise Self-Efficacy Scale worked well for 113 hip or knee replacement patients.
It was stable over 7 to 14 days and related to moderate activity and hip or knee function scores, but not light activity.
Key findings
01The Japanese scale gave consistent scores (Cronbach's alpha 0.925 in 113 patients) and similar scores when repeated 7 to 14 days later (ICC 0.872 in 82 patients).
02Eight of 10 validation hypotheses were supported, including correlations with moderate activity (ρ = 0.371), hip and knee function scores (ρ = 0.359 and 0.484), and general self-efficacy (ρ = 0.402).
03Scale scores did not correlate with accelerometer-measured light activity or vigorous activity, and did not differ by sex.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Single orthopedic center, so results may not apply to other hospitals or patient groups. Cross-sectional, so it cannot show change over time or cause. Only 113 valid questionnaire responses were analysed, with 82 for retest and 71 with accelerometer data. Participation was voluntary, and the authors say participants may have been more positive about physical activity. The scale includes both physical activity and exercise, which may have confused respondents.
Declared interests
The authors declared no conflicts of interest.
The easy way to misread this
Do not treat the ESES-J as proof that improving self-efficacy will increase physical activity or improve recovery after hip or knee replacement. This was a cross-sectional scale validation in 113 patients, not an intervention trial.