IntroductionSERVQUAL has been introduced in the healthcare sector as an alternative to the patient satisfaction measures. SERVQUAL is one of the most used questionnaires to measure the customers’ perceived quality. It is based on the disconfirmation paradigm (expectations-minus-perceptions). However, the structure, validity and reliability of this questionnaire have not been assessed in the Spanish hospital context. MethodsThree main targets defined in this study: 1) analyze the SERVQUAL's factorial solution, 2) determine which of its scales (perceptions, expectations, and expectations-minus-perceptions) has higher predictive efficiency, and 3) develop a new version for hospital setting (which was called SERVQHOS).
A descriptive study based on surveys with multivariate analysis of data was conducted. Eight-hundred-twenty-six subjects were interviewed. All were attended in the Alicante's, Elche's, or Elda's hospital. ResultsA five-factor solution of the SERVQUAL was not corroborated. The perceptions scale obtained a higher predictive efficiency than expectations and expectations-minus-perceptions scales.
Four factors were identified using SERVQHOS (56% explained variance). Perceptions-SERVQHOS gathered a greater predictive capacity that the scores derived from the difference among expectations and perceptions.
This result was obtained in both criteria: patient satisfaction (55% explained variance) and whether the respondents would recommend the hospital (76,36% right classifications with respect to response levels of the criterion). ConclusionsBefore using SERVQUAL is highly recommended to realize a validation procedure of this questionnaire.
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SERVQHOS has shown adequate reliability and validity. However, there were some methodological problems using it. The most important inconvenience was that perceptions' scores showed greater predictive capacity than expectations-minus-perceptions.