Development and Validation of Self-Efficacy Scale for Self-Management of Breast Cancer (SESSM-B).
10.4040/jkan.2012.42.3.385
- Author:
Ran LEE
1
;
Soo Hyun KIM
;
Keun Sook LEE
;
Myung Kyung SEO
Author Information
1. Endoscopy Center, National Cancer Center, Goyang, Korea. iran@ncc.re.kr
- Publication Type:Original Article ; English Abstract
- Keywords:
Breast cancer;
Self-efficacy;
Validation studies
- MeSH:
Adaptation, Psychological;
Adult;
Breast Neoplasms/*psychology;
Factor Analysis, Statistical;
Female;
Health Status;
Humans;
Middle Aged;
Pilot Projects;
Program Development;
Psychometrics;
Quality of Life;
Questionnaires;
*Self Care;
*Self Efficacy
- From:Journal of Korean Academy of Nursing
2012;42(3):385-395
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
PURPOSE: This purpose of this study was to develop and validate a Self-Efficacy Scale for Self-Management of Breast Cancer (SESSM-B). METHODS: The SESSM-B was developed and validated as follows: Item generation, pilot study, and tests of validity and reliability. Twenty-one items were developed through evaluation by 10 experts and 13 items were finally confirmed through item analysis and factor analysis. Psychometric testing was performed with a convenience sample of 303 women with breast cancer. Data were analyzed using factor analysis, Pearson correlation coefficients, and Cronbach's alpha. RESULTS: Five factors evolved from the factor analysis, which explained 69.8% of the total variance. The first factor 'coping with psycho-informational demand' explained 17.2%, 2nd factor 'maintenance of healthy lifestyle' 14.5%. 3rd factor 'management of side-effects' 13.3%, 4th factor 'therapeutic compliance' 12.8%, and 5th factor 'sexual life' 11.9%. SESSM-B also demonstrated a concurrent validity with health-related quality of life scale, EORTC QLQ-C30 & BR23. The internal consistency, Cronbach's alpha, was .78, and reliability of the subscales ranged from .61 to .79. CONCLUSION: The results of this study suggest that the SESSM-B is an easy, reliable, and valid instrument to measure self-efficacy for self-management of breast cancer.
