Arm exercise promotion scale

Instrument validation

Sue Yueh Cheng, Shih Hsin Tu, Ya Ling Yang, Ching Shyang Chen, Yuan Mei Liao, Chao Ying Hsiang, Ching Min Chen

Research output: Contribution to journalArticle

Abstract

Aim.: This paper is a report of psychometric testing of the Arm Exercise Promotion Scale. Background.: Patients with breast cancer having mastectomy are taught postoperative arm exercises during hospitalization; however, clinical observations suggest that patients infrequently practise them. It is important to develop an instrument that can be easily applied to evaluate women's motivation for arm exercises. Method.: An instrument validation design with a cross-sectional survey was conducted during 2008-09. The previously developed 15-item Likert-type Arm Exercise Promotion Scale was further tested for test-retest reliability, internal consistency reliability, theoretically supported construct validity, and concurrent validity. A total of 94 patients with breast cancer were recruited to the study. Results.: The Arm Exercise Promotion Scale has satisfactory internal consistency reliability (Cronbach's alpha 0·88) and a test-retest reliability of 0·90. Three theoretically supported factors were abstracted by principal component analysis: perceived benefits, learning support and situational support. These factors were inter-correlated and statistically significantly correlated with arm exercise behaviour, indicating concurrent and construct validity. Conclusion.: There is strong evidence to further support the Arm Exercise Promotion Scale as a valid instrument in assessing factors which promote arm exercises with patients with breast cancer. Future longitudinal clinical studies using this scale could add knowledge about the experiences of carrying out arm exercises in patients with breast cancer across time.

Original languageEnglish
Pages (from-to)1142-1150
Number of pages9
JournalJournal of Advanced Nursing
Volume66
Issue number5
DOIs
Publication statusPublished - May 2010

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Exercise
Breast Neoplasms
Reproducibility of Results
Mastectomy
Principal Component Analysis
Psychometrics
Longitudinal Studies
Motivation
Hospitalization
Cross-Sectional Studies
Learning

Keywords

  • Arm Exercise Promotion Scale
  • Breast cancer
  • Instrument development
  • Nursing

ASJC Scopus subject areas

  • Nursing(all)

Cite this

Cheng, S. Y., Tu, S. H., Yang, Y. L., Chen, C. S., Liao, Y. M., Hsiang, C. Y., & Chen, C. M. (2010). Arm exercise promotion scale: Instrument validation. Journal of Advanced Nursing, 66(5), 1142-1150. https://doi.org/10.1111/j.1365-2648.2009.05224.x

Arm exercise promotion scale : Instrument validation. / Cheng, Sue Yueh; Tu, Shih Hsin; Yang, Ya Ling; Chen, Ching Shyang; Liao, Yuan Mei; Hsiang, Chao Ying; Chen, Ching Min.

In: Journal of Advanced Nursing, Vol. 66, No. 5, 05.2010, p. 1142-1150.

Research output: Contribution to journalArticle

Cheng, SY, Tu, SH, Yang, YL, Chen, CS, Liao, YM, Hsiang, CY & Chen, CM 2010, 'Arm exercise promotion scale: Instrument validation', Journal of Advanced Nursing, vol. 66, no. 5, pp. 1142-1150. https://doi.org/10.1111/j.1365-2648.2009.05224.x
Cheng, Sue Yueh ; Tu, Shih Hsin ; Yang, Ya Ling ; Chen, Ching Shyang ; Liao, Yuan Mei ; Hsiang, Chao Ying ; Chen, Ching Min. / Arm exercise promotion scale : Instrument validation. In: Journal of Advanced Nursing. 2010 ; Vol. 66, No. 5. pp. 1142-1150.
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