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Reliability and validity of the Satisfaction with Hospital Care Questionnaire
A A J Hendriks1, F J Oort, M R Vrielink
1Department of Medical Psychology, Academic Medical Center/University of Amsterdam, The Netherlands. jolijn.hendriks@planet.nl
Objective:
To establish the psychometric properties of the Satisfaction with Hospital Care Questionnaire (SHCQ) for measuring patient satisfaction and evaluations of hospital care quality.
Design And Participants:
Patients (n = 275) and staff members (n = 83) of four hospital wards completed the 57-item SHCQ addressing 13 aspects of care. Staff members completed the SHCQ from the patient's perspective. The data were analyzed within the framework of generalizability theory.
Main Outcome Measures:
Generalizability coefficients (GCs) and standard errors of measurement (SEs).
Results:
GCs indicating differentiation among patients with different overall levels of satisfaction (SHCQ mean scores) were high (> 0.90). GCs indicating differentiation among patients as to satisfaction with aspects of care (SHCQ scale scores) were generally satisfactory (> 0.75) to high. Patients agreed well on overall level of hospital care quality (GCs > 0.90) and differentiated reliably (GCs > 0.80) among aspects of care. No differentiation among wards was found with respect to quality of care. Patients and staff agreed to a considerable extent (0.78) on ranking the SHCQ items on care quality, but staff ratings were lower. Reliability and validity of patients' evaluations of quality of hospital care varied according to aspect of care.
Conclusions:
The SHCQ reliably establishes both patient satisfaction and overall quality of hospital care. Whereas patients' ratings may be too lenient, their ranking of the items on care quality appears to be valid, and is therefore suitable for monitoring and improving hospital care. Within scales, however, results should be interpreted more cautiously: for some items, patients cannot really tell the difference in quality of care.