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Revision of the Osteoporosis Knowledge Test: Reliability and Validity
Phyllis Ellen Gendler1, Cynthia Peltier Coviak2, Jean Thomas Martin2
1Grand Valley State University, Grand Rapids, MI, USA gendlerp@gvsu.edu.
Western Journal of Nursing Research
|June 14, 2014
Summary
The Revised Osteoporosis Knowledge Test (OKT) was updated to reflect current research. This 32-item tool effectively assesses adult knowledge of osteoporosis, showing strong reliability and validity.
Area of Science:
- Health Sciences
- Medical Education
- Public Health
Background:
- The original Osteoporosis Knowledge Test (OKT) was developed in the early 1990s.
- Current research necessitates an updated instrument to accurately assess osteoporosis knowledge.
Purpose of the Study:
- To revise the Osteoporosis Knowledge Test (OKT).
- To evaluate the reliability and validity of the revised Osteoporosis Knowledge Test (OKT).
Main Methods:
- A 32-item Revised OKT (2012) was administered to 105 adults.
- A subsample (n=27) completed the questionnaire again after 2 weeks to assess stability.
- Content validity was evaluated through examination of question difficulty, distracter effectiveness, and discrimination.
Main Results:
- The Revised OKT (2012) demonstrated strong internal consistency (KR-20 = .85).
- Subscales for Nutrition and Exercise also showed good internal consistency (=.83 and .81, respectively).
- Excellent test-retest reliability was found (Pearson r = .87).
Conclusions:
- The Revised OKT (2012) is a reliable and valid instrument.
- This updated tool comprehensively assesses adult knowledge of osteoporosis based on current research.
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