Background. Patient satisfaction influences the outcomes of the patient-physician encounter.
Objective. The objective of this study was to validate the Malay version patient satisfaction
(MISS-21) questionnaire using a confirmatory validity approach.
Methods. A cross-sectional study was conducted involving 252 patients attending primary health
clinic, Hospital Universiti Sains Malaysia. Construct validity (convergent and discriminant) using
confirmatory factor analysis and internal consistency were performed after the translation, content
validity and face validity processes. Criterion validity was assessed using Pearson correlations
with the scale of shared decision making 9-item questionnaire (SDMQ-9). The data was
analysed using Analysis of Moment Structure version 19.
Results. A total of 252 (100%) outpatients responded to this study. The final model that consists
of three domains with 11 items had a good fit; (χ2
(df) = 65.805 (32), P