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Diabetic Mellitus (DM) is a widespread chronic disease around the world, among which type 2 DM (T2DM) shared the majority. It caused multiple severe complications and consequently a high mortality rate. DM complications overwhelm jeopardize the patient’s quality of life. In response to the threats of such complications, some nutraceuticals were developed, including the highly praised bitter melon peptide (BMP). This study aims to apply the structural equation model in HBM. A theoretical model had been developed on the health belief model (HBM), and to test with the structural equation model (SEM) technique to examine the fitness of the theory and the data gathered in this research. A structural questionnaire was developed and used to collect 292 valid responses from DM patients. The SEM results indicated the fitness of the theory and the data were acceptable. Perceived susceptibility of DM complications and perceived benefits of nutraceutical were major predictors of intake behavior, and the association of perceived benefits and behavior was mediated by the patient’s self-efficacy on nutraceutical intake behavior.

Investors in Taiwan prefer to invest in offshore funds, and they are good customers in the eyes of the world's major fund companies. Funds are competing these investors through these 3,400 bank branches. Literature has indicated comprehensive selection criteria when investors choosing a fund, yet no study revealed the gap between what investors’ expected and experienced. The current study conducted a survey among these investors with importance-performance analysis (IPA) to fill this gap. There were two parts in the questionnaire, first part was drawn from literature to measure funds, and the second part was summarized from several depth interviews based on SERVQUAL with senior investors. 240 valid responses from current fund investors. The factors investor’s preference in evaluating a fund may be different in terms of residence areas and age. Perceived importance of fund selection criteria is not significantly different in terms of gender, education, marriage, and income levels. Test results indicated that “investment performance record”, “management fees” and “additional features” of fund, and the “sympathy” dimension of bank should be first improved by either fund or bank company respectively.