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Purpose: The purposes of this study was to develop the suicide prevention policy and solutions base on the statistics from the Busan Metropolitan injury surveillance system. Methods: The Annual Statistics on Causes of Deaths from Statistics Korea, Statistics on Unnatural Deaths from the National Police Agency and the National Safety Index of the Ministry of the Interior and Safety were used for analysis. The collected data were statistically analyzed with frequencies and percentages with IBM’s SPSS Window 27.0 program. Results: The high risk factors of suicide were identified as middle age men, elderly people, people with physical or mental health problem and unemployed person. The most common place of suicide was in the home by hanging oneself. Conclusion: Suicide is a comprehensive result of social, economic, psychological, and physical factors. It is necessary to use an injury surveillance system to scientifically analyze suicides with evidence or data. The matrix identified the why, when, who, and where related to suicide, and it was possible to identify intervention measures to solutions. This study will be provide an guideline of a data-based suicide prevention approach.

This study is a secondary analysis study using the raw data of the 8th National Health and Nutrition Survey (2019), and a descriptive survey study to identify the factors affecting the health-related quality of life of middle-aged men, which can be seen as a crisis in an individual's life. The total number of subjects in this study was 8,110, 3,729 men, 1,340 subjects aged 40 to 64, and 1,037 final subjects excluding missing values. The collected data were analyzed by a complex sample analysis method using stratification, colony, and weight using SPSS/WIN 24.0. Research Results Job (B=.727, p<.001), economic level (B=1.260, p=017), subjective health consciousness (B=.276, p<.001), Stress (B=1.687, p<.001) was found to be a factor that had a significant effect on health-related quality of life. Therefore, this study aims to provide basic data on the development of programs to improve health-related quality of life by identifying the factors affecting health-related quality of life of middle-aged men.

Recently, Living Labs that are environments for involving users in innovation and development have been introduced and operated in various fields. This study conducted a case analysis of Police Lab and Firefighting Living Lab, representative Living Labs of disaster safety sector. This study examined the stages of Living Labs, such as preparation and exploration of alternatives, implementation, co-creation, evaluation, and dissemination of achievements, establishing an analytic framework centered on the major issues of each stage, including vision, conditions, participants, governors, experiments, management of performance, and sustainability. Thus, this study compared and analyzed Police Lab and Firefighting Living Lab and derived their characteristics and problems to find implications and improvement plans. According to the results of this study, several factors need to be actively considered for the effective operation of Living Labs in the future, including clarifying the roles of participants, enhancing participants' understanding of the Living Labs, reinforcing the role and function of mediators to mediate conflicts between participants such as users and researchers, improving performance indicators and gender management system, and building and operating the Living Lab platform.

Has Korea contributed to the health of recipient countries so far? Are we responding appropriately to the demand for aid? To provide a basis for answering these questions, this study aims to verify whether Korea's official development assistance (ODA) has contributed to the health of its recipient countries. The data for this study were created by combining ODA data from 2004 to 2019 provided by the KOICA with health information from the 60 recipient countries, extracted from the UNDP database during the same period. This empirical analysis, showed that Korea's ODA contributed to the improvement of life expectancy in the health sector of the recipient countries, and the amount of trade with the recipient country also was positively effected. By region, life expectancy in Asia and Africa was lower which indicates the need for continuous support.

This study was examined research trends in Korea on school safety education through a systematic literature review method to analyze the tasks and development directions of school safety education. The related literature search was conducted utilizing database from January 1, 2010 to February 1, 2021. By combining school safety-related terms, the final 81 documents were selected through systematic review process of PRISMA. The results showed that the predominant research type on school safety education was the qualitative research (41%). Next research type was quantitative research (33%). It is need to activate quantitative research since it can objectively explain the necessity and direction of school safety education. The research on school safety education has increased rapidly after the Sewol ferry accident. After showing the most activation at 23% in 2017, the research on school safety education declined gradually. The research on school safety education are sensitively linked to social issues such as society's interest in safety and the needs of members of society. It is need to support research reflecting teachers' opinions since there are few studies in which teachers participated.