Resumen
Drawing upon Health Belief Model, the study investigated the psychological predictors that determine the usage intention of the Malaysian web-based health information service, MyHEALTH Portal. The results of the measurement model show the evidences of outcome expectations and internal cues as the predictors to the portal usage, while external cues was found to be insignificant. The findings would help the Malaysia Ministry of Health in identifying significant psychological factors that influence the portal usage. This would allow them to re-strategize the portal?s marketing and promotional works effectively thus to be maximally used by the public while achieving its long-term goal.