Our study reexamined several important factors that could affect RVs of pediatric patients to the ED and identified high-risk groups of RVs. Further intervention studies or qualitative research could be targeted on these at-risk groups.

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Medical decision support systems incorporating decision tree-based approaches improve predicting performance and thus may serve as a supplementary tool in clinical practice. Information from laboratory tests and inpatients' history should not be ignored because related variables are shown to be decisive in our prediction models, especially when the DDIs exist.

This study examined consumer risk perceptions and knowledge of avian influenza and its linkage to behavioral changes in chicken consumption. A consumer survey was administered in 3 metropolitan areas in Taiwan in 2007. Multivariate analyses were utilized in this study to analyze data. Findings in this study indicated that respondents who were more knowledgeable of avian influenza with relatively high levels of risk perceptions would be likely to stay away from birds and the crowd. Respondents with relatively low levels of avian influenza knowledge were likely to prefer not eating chicken at all under a possible threat of avian influenza outbreaks. Respondents with low risk perception levels would be more likely to maintain usual chicken consumption than those with high risk perception levels if outbreaks of avian influenza occurred. Contributions of this study are to provide new insights into knowledge and risk perceptions of avian influenza and to reveal behavioral changes in chicken consumption in an area that a pandemic situation like avian influenza has not occurred but under a possible threat. Findings in this study would be beneficial to government administration and industry managers in designing effective information communication for educational purposes to ease possible effect on the industry as well as the consumer market if outbreaks had occurred in Taiwan.

This paper investigates the expenditure allocation of Japanese international tourism in its five major Asian destinations, China, Hong Kong, Korea, Taiwan, and Thailand. The dynamic of linear approximation the almost ideal demand system is used to determine the long-run equilibrium while the short-run dynamics are represented by an error correction mechanism. The empirical results indicate that the changes in market shares of Japanese outbound tourism are significantly influenced by the changes in tourists' expenditure, rather than the changes in relative tourism prices. The results show that Japan expenditure rises, the market share of Taiwan and Thailand declines, while Korea benefits. In addition, price competitiveness is important for Japanese demand for Korea, but is relatively unimportant for the other destinations.