, Volume 20, Issue 9, pp 1949-1956
Date: 27 Oct 2011

Psychometric validation and reliability analysis of a Spanish version of the patient satisfaction with cancer-related care measure: a patient navigation research program study

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Abstract

Background

Patient satisfaction (PS), a key measure of quality of cancer care, is a core study outcome of the multi-site National Cancer Institute-funded Patient Navigation Research Program. Despite large numbers of underserved monolingual Spanish speakers (MSS) residing in USA, there is no validated Spanish measure of PS that spans the whole spectrum of cancer-related care. The present study reports on the validation of the Patient Satisfaction with Cancer Care (PSCC) measure for Spanish (PSCC-Sp) speakers receiving diagnostic and therapeutic cancer-related care.

Methods

Original PSCC items were professionally translated and back translated to ensure cultural appropriateness, meaningfulness, and equivalence. Then, the resulting 18-item PSCC-Sp measure was administered to 285 MSS. We evaluated latent structure and internal consistency of the PSCC-Sp using principal components analysis (PCA) and Cronbach coefficient alpha (α). We used correlation analyses to demonstrate divergence and convergence of the PSCC-Sp with a Spanish version of the Patient Satisfaction with Interpersonal Relationship with Navigator (PSN-I-Sp) measure and patients' demographics.

Results

The PCA revealed a coherent set of items that explicates 47% of the variance in PS. Reliability assessment demonstrated that the PSCC-Sp had high internal consistency (α = 0.92). The PSCC-Sp demonstrated good face validity and convergent and divergent validities as indicated by moderate correlations with the PSN-I-Sp (p = 0.003) and nonsignificant correlations with marital status and household income (all p s > 0.05).

Conclusion

The PSCC-Sp is a valid and reliable measure of PS and should be tested in other MSS populations.

The Patient Navigation Research Group (Steven T. Rosen, MD, Northwestern University, Chicago, IL, USA; Donald J. Dudley, MD, University of Texas Health Science Center, San Antonio, TX, USA; Karen M. Freund, MD, MPH, Boston University Medical Center, Boston, MA, USA; Steven R. Patierno, PhD, The George Washington University, Cancer Institute, Washington, DC, USA; Peter C. Raich, MD, and Elizabeth Whitley, PhD, RN, Denver Health Hospital and Authority, Denver, CO, USA; Richard G. Roetzheim, MD, MSPH, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA).