The Korean Journal of Rehabilitation Nursing (재활간호학회지)

Korean Academic Society of Rehabilitation Nursing (한국재활간호학회)
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Development and Validation of a Knowledge Scale for Lymphedema in Patients with Breast Cancer

유방암 환자의 상지 림프부종 지식 측정도구 개발

  • Received : 2012.10.02
  • Accepted : 2012.12.07
  • Published : 2012.12.31
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Abstract

Purpose: The purpose of this study was to develop and validate of a knowledge scale for lymphedema in patients with breast cancer. Methods: 34 preliminary items were made according to literature review, then verified content validity, construct validity, and reliability of the scale. 28 items among them were confirmed through content analysis by 4 experts. After a preliminary test, a survey for 156 breast cancer patients was performed for confirming construct validity and reliability. The data were analyzed using factor analysis, independent t-test, and KR-20. Results: This scale had 28 items consisting of 2 categories: prevention and self-care of lymphedema. Construct validity was confirmed by known-group technique because there were some categories consisted of just one or two items, and some mismatches between categories and items in factor analysis. Women who were educated about lymphedema scored significantly higher than women who had not (t=-3.92, p<.001). Reliability was appropriate (KR-20=.81). A percentage of correct answers was 74.6%, but it was from 31.8% to 96.1%. Conclusion: The study shows that this scale is reliable and valid to measure the knowledge of lymphedema. This scale can be effective to assess and educate the patients with breast cancer.

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References

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