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The body image and relationship scale : A Swedish translation, cultural adaptation, and reliability and validity testing

Larsson, Ylva Hedin ; Speck, Rebecca ; Schmitz, Kathryn H. ; Johansson, Karin LU and Gyllensten, Amanda Lundvik LU (2014) In European Journal of Physiotherapy 16(2). p.67-75
Abstract

Purpose. Testing a newly developed Swedish version of the Body Image and Relationship Scale (BIRS) for test-retest reliability, convergent validity and inter-item analysis in a Swedish context for breast cancer survivors. Methods. A Swedish BIRS version, translation involving the input of experts and breast cancer survivors, with 41 items (BIRS-S) and the Short Form 36 (SF-36) were sent to a sample of 100 breast cancer survivors, mean age 61.7 years, diagnosed with breast cancer 20-42 months prior to the study. Retest was completed within 2-3 weeks. Results. 71 persons completed both dispatches. Reliability using Cronbach's alpha for the BIRS-S total was satisfactory 0.96 (range 0.87-0.93 for the three subscales). Intra-class... (More)

Purpose. Testing a newly developed Swedish version of the Body Image and Relationship Scale (BIRS) for test-retest reliability, convergent validity and inter-item analysis in a Swedish context for breast cancer survivors. Methods. A Swedish BIRS version, translation involving the input of experts and breast cancer survivors, with 41 items (BIRS-S) and the Short Form 36 (SF-36) were sent to a sample of 100 breast cancer survivors, mean age 61.7 years, diagnosed with breast cancer 20-42 months prior to the study. Retest was completed within 2-3 weeks. Results. 71 persons completed both dispatches. Reliability using Cronbach's alpha for the BIRS-S total was satisfactory 0.96 (range 0.87-0.93 for the three subscales). Intra-class correlation for the three subscales ranged between 0.88 to 0.93 revealing test-retest to be satisfactory. Convergent validity between the BIRS-S and SF-36 Physical Composite Score was - 0.68 for BIRS-S total. Convergent validity between the BIRS-S and SF-36 Mental Composite Score was - 0.65 for BIRS-S total. Inter-item analysis revealed the correlation between the original BIRS and the BIRS -S to be 0.98 for all three subscales. The new items correlated with the original BIRS ranging from 0.51 to 0.81 and with the BIRS-S ranging between 0.62 and 0.81. Conclusion. The BIRS-S demonstrates satisfactory test-retest reliability and validity according to the primary hypothesis of a moderate correlation to SF-36. It is not a new scale but an adapted version of the original instrument including specific areas of importance for Swedish breast cancer survivors.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Cross-sectional study, Methodology, Rehabilitation
in
European Journal of Physiotherapy
volume
16
issue
2
pages
9 pages
publisher
Informa Healthcare
external identifiers
  • scopus:84901416635
ISSN
2167-9169
DOI
10.3109/21679169.2014.881913
language
English
LU publication?
yes
id
0ac16610-344e-4784-a7d3-9de8ea7bf8d9
date added to LUP
2016-12-15 14:42:18
date last changed
2022-01-30 08:32:44
@article{0ac16610-344e-4784-a7d3-9de8ea7bf8d9,
  abstract     = {{<p>Purpose. Testing a newly developed Swedish version of the Body Image and Relationship Scale (BIRS) for test-retest reliability, convergent validity and inter-item analysis in a Swedish context for breast cancer survivors. Methods. A Swedish BIRS version, translation involving the input of experts and breast cancer survivors, with 41 items (BIRS-S) and the Short Form 36 (SF-36) were sent to a sample of 100 breast cancer survivors, mean age 61.7 years, diagnosed with breast cancer 20-42 months prior to the study. Retest was completed within 2-3 weeks. Results. 71 persons completed both dispatches. Reliability using Cronbach's alpha for the BIRS-S total was satisfactory 0.96 (range 0.87-0.93 for the three subscales). Intra-class correlation for the three subscales ranged between 0.88 to 0.93 revealing test-retest to be satisfactory. Convergent validity between the BIRS-S and SF-36 Physical Composite Score was - 0.68 for BIRS-S total. Convergent validity between the BIRS-S and SF-36 Mental Composite Score was - 0.65 for BIRS-S total. Inter-item analysis revealed the correlation between the original BIRS and the BIRS -S to be 0.98 for all three subscales. The new items correlated with the original BIRS ranging from 0.51 to 0.81 and with the BIRS-S ranging between 0.62 and 0.81. Conclusion. The BIRS-S demonstrates satisfactory test-retest reliability and validity according to the primary hypothesis of a moderate correlation to SF-36. It is not a new scale but an adapted version of the original instrument including specific areas of importance for Swedish breast cancer survivors.</p>}},
  author       = {{Larsson, Ylva Hedin and Speck, Rebecca and Schmitz, Kathryn H. and Johansson, Karin and Gyllensten, Amanda Lundvik}},
  issn         = {{2167-9169}},
  keywords     = {{Cross-sectional study; Methodology; Rehabilitation}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{67--75}},
  publisher    = {{Informa Healthcare}},
  series       = {{European Journal of Physiotherapy}},
  title        = {{The body image and relationship scale : A Swedish translation, cultural adaptation, and reliability and validity testing}},
  url          = {{http://dx.doi.org/10.3109/21679169.2014.881913}},
  doi          = {{10.3109/21679169.2014.881913}},
  volume       = {{16}},
  year         = {{2014}},
}