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The design of a valid and reliable questionnaire to measure osteoporosis knowledge in women: the Osteoporosis Knowledge Assessment Tool (OKAT).

ABSTRACT: BACKGROUND: Osteoporosis knowledge is an important contributor to improving exercise and calcium intake behaviour. However, there are few validated instruments for measuring osteoporosis knowledge levels. The aim of this study was to design a valid and reliable instrument to measure osteoporosis knowledge in Australian women. METHODS: A 20 item instrument with true, false and don't know responses was drafted, based on the Osteoporosis Australia Osteoporosis Prevention and Self-management course and the information leaflet "Understanding Osteoporosis". The scoring range was 1 to 20. This was administered to a 467 randomly-selected, healthy women aged 25-44 years. Questionnaire performance was assessed by Flesch reading ease, index of difficulty, Ferguson's sigma, inter-item and item-total correlations, Cronbach's alpha and principal component factor analysis. RESULTS: Flesch reading ease was higher than desirable at 45, but this was due to the use of the word osteoporosis in many items. Of the individual items 17 had an index of difficulty less than 0.75. The questionnaire had a Ferguson's sigma of 0.96, a Cronbach's alpha of 0.70 and factor analysis consistent with only one factor (osteoporosis knowledge) being measured. Levels of osteoporosis knowledge were low with a mean score of 8.8 out of 20 which suggests the OKAT may be sensitive to change. CONCLUSIONS: The OKAT for measuring osteoporosis knowledge has good psychometric properties in Australian 25-44 year old females. While it should be applicable to other Caucasian populations, this will require confirmation by further research.

SUBMITTER: Winzenberg TM

PROVIDER: S-EPMC183834 | biostudies-literature | 2003 Jul

REPOSITORIES: biostudies-literature

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The design of a valid and reliable questionnaire to measure osteoporosis knowledge in women: the Osteoporosis Knowledge Assessment Tool (OKAT).

Winzenberg Tania M TM Oldenburg Brian B Frendin Sue S Jones Graeme G

BMC musculoskeletal disorders 20030724

<h4>Background</h4>Osteoporosis knowledge is an important contributor to improving exercise and calcium intake behaviour. However, there are few validated instruments for measuring osteoporosis knowledge levels. The aim of this study was to design a valid and reliable instrument to measure osteoporosis knowledge in Australian women.<h4>Methods</h4>A 20 item instrument with true, false and don't know responses was drafted, based on the Osteoporosis Australia Osteoporosis Prevention and Self-manag ...[more]

PMID: 12877751

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Project description:IntroductionAssessing patient expectations in orthopaedic surgery has gained significant importance over time. However, there have been only a few studies on how to measure such expectations in hand surgery. Against the backdrop, the study was designed to develop a valid and reliable expectations survey for patients undergoing hand surgery and to identify the correlations between preoperative expectations and postoperative satisfaction.Materials and methodsThis is a three-phase prospective cohort study. In the first phase of the study (146 patients), patient expectations were assessed while developing a draft questionnaire based on frequency and clinical relevance. In the second phase (154 patients newly included), test-retest reliability was measured to ensure test consistency. The Intraclass Correlation Coefficient (ICC) served as a basis for developing the final survey questionnaire. In the third phase, we followed up with patients, who completed the preoperative expectations survey, 3 months after surgery to assess the fulfillment of their expectations. The Pearson correlation method was used to measure the association between preoperative expectations and postoperative satisfaction.ResultsIn the first phase, 146 patients shared 406 different expectations, which were grouped into nine categories. Then, in the second phase, the final survey was populated by questionnaire items under respective category that have revealed strong test-retest reliability (ICC of 0.91). A significant positive correlation between patient expectations and satisfaction was observed (R = 0.181, p = 0.034).ConclusionThe survey was designed to offer a valid and reliable approach for the comprehensive assessment of patient expectations in hand surgery. The survey results show that patients with high expectations tend to be more satisfied with surgical outcomes. It is strongly believed that this approach would serve as a useful tool at a time when patient perspective is taken into account increasingly more in the clinical practice.

Dataset Information

The design of a valid and reliable questionnaire to measure osteoporosis knowledge in women: the Osteoporosis Knowledge Assessment Tool (OKAT).

Publications

The design of a valid and reliable questionnaire to measure osteoporosis knowledge in women: the Osteoporosis Knowledge Assessment Tool (OKAT).

Similar Datasets

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