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Development of the Osteoporosis Self-Care Scale: Based on the Middle-Range Theory of Self-Care for Chronic Illness.

Purpose: The purpose of this study was to develop the Osteoporosis Self-Care Scale (OSCS-13) and verify its validity and reliability. Methods: The subjects were 445 patients with osteoporosis who visited the hospital. They were randomly assigned into two groups as follows: 220 patients for explorato...

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Published in:Korean Journal of Adult Nursing Vol. 34; no. 2; pp. 137 - 149
Main Authors: Seo Young Joo, Oh Heeyoung
Format: research tables/charts Journal Article
Published: Korean Society of Adult Nursing Apr2022
Online Access:View this record in EBSCOhost
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      jtl: Korean Journal of Adult Nursing
      issn: 12254886
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      dt: Apr2022
      vid: 34
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      pid: 69073
      pub: Korean Society of Adult Nursing
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        10.7475/kjan.2022.34.2.137
        156612041
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        atl: Development of the Osteoporosis Self-Care Scale: Based on the Middle-Range Theory of Self-Care for Chronic Illness.
      aug:
        au:
          Seo Young Joo
          Oh Heeyoung
        affil: Team Leader, Eulji University Hospital, Daejeon, Korea
      sug:
        subj:
          Instrument Construction
          Osteoporosis
          Self Care
          Chronic Disease
          Theory
          Instrument Validation
          Psychometrics
          Human
          Factor Analysis
          Discriminant Validity
          Test-Retest Reliability
          Criterion-Related Validity
          Coefficient alpha
          Intraclass Correlation Coefficient
          Scales
      ab: Purpose: The purpose of this study was to develop the Osteoporosis Self-Care Scale (OSCS-13) and verify its validity and reliability. Methods: The subjects were 445 patients with osteoporosis who visited the hospital. They were randomly assigned into two groups as follows: 220 patients for exploratory factor analysis and 225 patients for confirmatory factor analysis. The OSCS-13's construct validity, convergent-discriminant validity, structure validity, group validity, consistency reliability and test-retest reliability were evaluated. Results: This study examined four factors and 13 items scored on a 5-point likert scale. The confirmatory factor analysis showed adequate model fit indices (Minimum/Degree of Freedom [CMIN/DF]=1.70, Root Mean Residual [RMR] =.03, Root Mean Square Error of Approximation [RMSEA]=.06, Comparative Fit Index [CFI]=.97, Tucker-Lewis Index [TNI]=.96, Incremental Fit Index [IFI]=.97). Convergent-discriminative validity and convergent validity were demonstrated using measures of defining issue. Internal consistency reliability and test-retest reliability were found to be acceptable, as indicated by a Cronbach's α of .65~.92 and an intraclass correlation coefficient of .65~.80. Conclusion: The OSCS-13 is a valid and reliable instrument. Hence, it is expected that this tool can be used to measure the level of self-care for patients with osteoporosis.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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