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[Validity and reliability of a new questionnaire on patient satisfaction in rehabilitative therapy]
F Franchignoni1, E Benevolo, M Ottonello
1Fondazione S. Maugeri, Clinica del Lavoro e della Riabilitazione, Istituto di Ricovero e Cura a Carattere Scientifico, Centro Medico di Riabilitazione, Genova Nervi.
Background:
The aim of this study was to examine some psychometric properties of a new questionnaire measuring patients' satisfaction with respect to the quality of care during stay in a rehabilitation unit. The instrument (called SAT-16) is composed of 16 four-level items and 2 open-ended questions. The construct validity of the 16-item section was already demonstrated in a previous study based on factorial analysis. In this study the concurrent validity, further aspects of the construct validity and test-retest reliability were analyzed.
Methods:
The SAT-16 was administered to 339 inpatients, admitted consecutively to a Rehabilitation Center.
Results:
262 questionnaires (77%) were returned, of which 221 with all items filled in. The SAT-16 correlated well with two other measures of satisfaction (CSQ-8 and global satisfaction regarding the hospital stay). The answers to two open-ended questions came out to be consistent with those to the 16 closed-ended questions. The high values for the indices of test-retest reliability (ICC and kappa) are evidence of the stability of the scores in two repeated administrations.
Conclusions:
The SAT-16 was found to be provided with good psychometric characteristics. It can be proposed as a valid instrument for use in clinical practice for the continuous quality improvement of inpatient medical rehabilitation programmes.