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Psychometric Properties of Osteoporosis Knowledge Tool and Self-Management Behaviours Among Malaysian Type 2 Diabetic Patients

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Abstract

Osteoporosis is a major growing public health problem and it is clear that much needs to be done to bridge the gap between patients and practitioners. However, the educator must have a valid and reliable tool to evaluate the effectiveness of the teaching and learning that are done. Osteoporosis Knowledge Tool (OKT) provides an important strategy for healthcare professionals to start early intervention for patients who are at risk of osteoporosis. The aims of this study were to translate and examine the psychometric properties of the Malaysian version of the Osteoporosis Knowledge Tool (OKT-M) among 250 type 2 diabetes patients and to assess factors that affect diabetic patients’ osteoporosis knowledge. The OKT English version was translated and validated using the internationally accepted and recommended methodology. The sensitivity and specificity of OKT-M was calculated using receiver operating characteristic curve analysis. The face and content validity showed acceptable results. Internal consistency, test–retest reliability, mean difficulty factor and discriminatory power values were 0.72, 0.83, 0.47 ± 0.16 and 0.96, respectively. The cut-off point of the OKT-M to predict osteoporosis/osteopenia was 14 with optimal sensitivity (84.1 %) and specificity (85.5 %). Regression analysis revealed that health belief, self-efficacy and some demographic data had an impact on the OKT-M. The findings of this validation study indicate that the OKT-M is a reliable and valid tool with good psychometric properties in the Malaysian setting. The OKT-M is an appropriate tool for application in clinical setting to identify patients need for a bone health-promoting intervention regarding lifestyle behaviour changes.

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Acknowledgments

SA Abdulameer gratefully acknowledges the Universiti Sains Malaysia, Penang, Malaysia, for granting her the USM Postgraduate Student Fellowship.

Conflict of interest

The authors declare that they have no conflicts of interest.

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Authors and Affiliations

  1. Clinical Pharmacy Department, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia

    Shaymaa Abdalwahed Abdulameer & Syed Azhar Syed Sulaiman

  2. Social and Administrative Pharmacy Department, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia

    Mohamed Azmi Ahmad Hassali

  3. Diabetes Out Patient Clinic, Penang General Hospital, 10900, Penang, Malaysia

    Karuppiah Subramaniam

  4. Pharmaceutical Technology Department, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia

    Mohanad Naji Sahib

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  1. Shaymaa Abdalwahed Abdulameer
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Correspondence to Shaymaa Abdalwahed Abdulameer.

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Abdulameer, S.A., Syed Sulaiman, S.A., Hassali, M.A. et al. Psychometric Properties of Osteoporosis Knowledge Tool and Self-Management Behaviours Among Malaysian Type 2 Diabetic Patients. J Community Health 38, 95–105 (2013). https://doi.org/10.1007/s10900-012-9586-4

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