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The Ostomy Adjustment Scale: translation into Norwegian language with validation and reliability testing
Kirsten Lerum Indrebø1, John Roger Andersen, Gerd Karin Natvig
1Kirsten Lerum Indrebø, RN, ET, MSc, Department of Public Health and Primary health Care, University of Bergen, Bergen, Norway, and Department of Surgery, Førde Central Hospital, Førde, Norway. John Roger Andersen, RN, PhD, Department of Surgery, Førde Central Hospital, Førde, Norway, and Faculty of Health Studies, Sogn and Fjordane University College, Førde, Norway. Gerd Karin Natvig, RN, PhD, Professor, Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway.
The Norwegian Ostomy Adjustment Scale demonstrates good reliability and validity for assessing adjustment in patients with ostomies. This validated tool is sensitive to sociodemographic and clinical factors in ostomy patients.
Area of Science:
- Nursing
- Psychometrics
- Health Psychology
Background:
- Ostomy surgery impacts patients' quality of life.
- Validated instruments are needed to assess adjustment in ostomy patients.
- The Ostomy Adjustment Scale (OAS) is a relevant measure for this population.
Purpose of the Study:
- To translate and culturally adapt the Ostomy Adjustment Scale into Norwegian.
- To evaluate the construct validity of the Norwegian OAS.
- To assess the reliability (internal consistency and test-retest) of the Norwegian OAS.
Main Methods:
- Forward and backward translation of the OAS into Norwegian.
- Survey administration to 158 patients with colostomy, ileostomy, or urostomy.
- Statistical analysis including Cronbach's alpha, test-retest correlation, item-to-sum correlations, and regression analysis.
Main Results:
- The Norwegian OAS demonstrated high internal consistency (Cronbach's alpha = 0.93) and acceptable test-retest reliability (r = 0.69).
- Construct validity was supported by correlations with related health measures, showing expected relationships with quality of life, anxiety, depression, and self-efficacy.
- The scale showed sensitivity to sociodemographic and clinical variables, except for education.
Conclusions:
- The Norwegian version of the Ostomy Adjustment Scale is a reliable and valid instrument.
- This validated scale can be used to assess adjustment in Norwegian patients with ostomies.
- The instrument effectively captures the experiences of individuals with colostomies, ileostomies, and urostomies.
