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The Danish version of Lymphoedema Functioning, Disability and Health Questionnaire (Lymph-ICF) for breast cancer survivors: Translation and cultural adaptation followed by validity and reliability testing.

Purpose: To translate and culturally adapt the Lymphoedema Functioning, Disability and Health Questionnaire (Lymph-ICF) for breast cancer survivors with arm lymphedema into Danish and examine its content validity and reliability. Methods: (1) Translation and cultural adaptation was performed in 10 s...

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Published in:Physiotherapy Theory & Practice Vol. 35; no. 4; pp. 327 - 341
Main Authors: Grarup, Karin R, Devoogdt, Nele, Strand, Liv Inger
Format: questionnaire/scale research tables/charts Journal Article
Published: Taylor & Francis Ltd Apr2019
Online Access:View this record in EBSCOhost
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      dt: Apr2019
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      pub: Taylor & Francis Ltd
      place: Philadelphia, Pennsylvania
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        10.1080/09593985.2018.1443186
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        atl: The Danish version of Lymphoedema Functioning, Disability and Health Questionnaire (Lymph-ICF) for breast cancer survivors: Translation and cultural adaptation followed by validity and reliability testing.
      aug:
        au:
          Grarup, Karin R
          Devoogdt, Nele
          Strand, Liv Inger
        affil: Department of Physiotherapy and Occupational Therapy, Aalborg University Hospital, Aalborg, Denmark
      sug:
        subj:
          Breast Neoplasms
          Cancer Survivors
          Lymphedema Pathology
          Arm Pathology
          Instrument Validation
          Questionnaires Evaluation
          Human
          Validation Studies
          Reliability and Validity
          Content Validity
          Translations
          Interviews
          Female
          Intraclass Correlation Coefficient
          Coefficient alpha
          Internal Consistency
          Test-Retest Reliability
          Paired T-Tests
          Middle Age
          Aged
          Aged, 80 and Over
          Confidence Intervals
          Middle Aged: 45-64 years
          Aged: 65+ years
          Aged, 80 & over
          Female
      ab: Purpose: To translate and culturally adapt the Lymphoedema Functioning, Disability and Health Questionnaire (Lymph-ICF) for breast cancer survivors with arm lymphedema into Danish and examine its content validity and reliability. Methods: (1) Translation and cultural adaptation was performed in 10 steps following international guidelines (International Society for Pharmacoeconomics and Outcome Research); (2) cognitive interviewing (step 7) was conducted in 15 women with breast cancer related arm lymphedema to explore understandability, interpretation, and cultural relevance; (3) after adjustments, content validity (N = 52) was explored by interviews; and (4) reliability (N = 50) examined by intraclass correlation coefficients (ICC) statistics and Cronbach alpha analysis. Results: Cognitive interviewing lead to an adapted and improved version of the translated questionnaire. Content validity was supported. Internal consistency (α) for all questions was.98 and ranged for the different domains between 0.92 and 0.97. Test-retest reliability for the total score was highly satisfactory, ICC = 0.95, standard error of measurement (SEM) = 4.5 and smallest detectable change = 12.5. ICC values for the domains ranged from 0.84 to 0.94. SEM values differed for the domains, 6.4 (physical function), 5.7 (mobility activities), 7.09 (life and social activities), 9.1 (mental functions), and 10.2 (household activities). Conclusion: The translated and adjusted Lymph-ICF DK (Denmark) is reliable and valid, allowing for assessing self-reported impairments in function, activity limitations, and participation restrictions in Danish patients with breast cancer-related arm lymphedema.
      pubtype: Academic Journal
      doctype:
        questionnaire/scale
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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