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Development and validation of a new tool: The sarcopenia knowledge questionnaire.
Shu-Chun Lee1, Huei-Ling Chiu1, Hsiao-Wen Lai2
1School of Gerontology and Long-Term Care, College of Nursing, Taipei Medical University, Taipei City, Taiwan; International PhD Program in Gerontology and Long-Term Care, College of Nursing, Taipei Medical University, Taipei City, Taiwan.
Geriatric Nursing (New York, N.Y.)
|July 16, 2023
Summary
We created the Sarcopenia Knowledge Questionnaire (SKQ) to assess older adults' understanding of sarcopenia. This reliable and valid tool measures knowledge on screening, outcomes, and lifestyle factors.
Area of Science:
- Gerontology
- Public Health
- Health Education
Background:
- Sarcopenia, a progressive loss of muscle mass and strength, significantly impacts older adults' health and independence.
- Assessing and improving sarcopenia awareness is crucial for early detection and management.
- Existing tools may not adequately capture the multifaceted knowledge required for understanding sarcopenia.
Purpose of the Study:
- To develop and validate the Sarcopenia Knowledge Questionnaire (SKQ).
- To evaluate the reliability and validity of the SKQ in a sample of older adults.
- To provide a standardized tool for measuring sarcopenia knowledge in this demographic.
Main Methods:
- Development of the SKQ with 23 items across three domains: screening/diagnosis, outcomes, and lifestyle factors.
- Administration of the SKQ to 293 older adults.
- Statistical analysis including Cronbach's alpha for internal consistency, correlation with a health literacy questionnaire for convergent validity, and item discrimination analysis.
Main Results:
- The SKQ demonstrated excellent internal consistency (Cronbach's α = 0.969).
- The questionnaire showed moderate convergent validity, correlating significantly with the Mandarin Multidimensional Health Literacy Questionnaire (r = 0.511, p < 0.001).
- Item discrimination was satisfactory, with critical ratios ranging from 9.90 to 25.82 (p < 0.001).
Conclusions:
- The Sarcopenia Knowledge Questionnaire (SKQ) is a reliable and valid instrument.
- The SKQ effectively measures the knowledge of older adults regarding sarcopenia.
- This tool can aid in identifying knowledge gaps and informing targeted health education interventions for sarcopenia.
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