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Kim, Kisok,Park, Hyejin BioMed Central 2016 Tobacco induced diseases Vol.14 No.1
<P><B>Background</B></P><P>The aim of this study was to examine the relationship between stress and smoking among Korean adolescents, as well as the influence of gender on this relationship.</P><P><B>Methods</B></P><P>A cross-sectional study was conducted using data from 3930 adolescents aged 12–18 years, collected in the 2007–2012 Korea National Health and Nutrition Examination Surveys.</P><P><B>Results</B></P><P>An increased level of self-reported stress was positively associated with increasing levels of smoking in both girls and boys (<I>p</I> for trend < 0.001). After adjusting for age, the odds ratios of smoking among girls and boys reporting very high levels of stress were 15.99 (95 % confidence interval (CI), 4.17–61.30) and 2.34 (95 % CI, 1.07–5.11), respectively, compared with those who reported low levels of stress.</P><P><B>Conclusions</B></P><P>This study found a statistically significant association between stress and smoking among Korean adolescents and this association was stronger in girls than boys. Further research is needed to understand more fully the link between stress and smoking in adolescents, with particular attention to sex differences.</P>
공기석(Kisok Kong),김만희(Manhee Kim),조시훈(Sihoon Cho),김철기(Cheolgi Kim),이준원(Joonwon Lee) 한국정보과학회 1999 정보과학회논문지 : 시스템 및 이론 Vol.26 No.7
본 논문에서는 범용 워크스테이션 환경하에서 수행되는 멀티미디어 응용프로그램(application)을 지원하기 위한 비례지분 방식의 CPU 스케줄러를 제시한다. 이러한 목적을 위하여 일반적 태스크의 지원을 위해 설계된 스트라이드 스케줄러를 확장한다. 멀티미디어 응용프로그램의 시간 요구사항을 명시하기 위하여 새로운 스케줄링 파라미터들을 도입한다. 비율조정기를 도입한 결과 스케줄링의 정확도의 오차는 O(1)로 감소하였다. 별도의 태스크 그룹을 설정하여 상대적 지분과 절대적 지분을 부여했다. 모의실험을 사용하여 스케줄러의 성능을 평가하였다. 그 결과, 제안된 스케줄러는 증가된 정확도와 적응성 및 유연성을 가짐을 알 수 있었다. This paper presents a proportional-share CPU scheduler which can support multimedia applications in a general-purpose workstation environment. For this purpose, we have extended the stride scheduler which is designed originally for conventional tasks. New scheduling parameters are introduced to specify timing requirements of multimedia applications. Through the use of the rate regulator, the accuracy error of the scheduling is reduced to O(1). Separate task groups are proposed to represent both relative shares and absolute shares. The proposed scheduler is evaluated using a simulation study. The results show that the proposed scheduler achieves improved accuracy and adaptability as well as flexibility.
Copper, Zinc, and Aluminium Level in Scalp Hair Samples of Daegu and Kyungbuk Residents
Minjeong Kim,Kisok Kim(김기석) 대한의생명과학회 2010 Biomedical Science Letters Vol.16 No.4
Although copper and zinc are essential metals for human health, excessive level of these metals is toxic. Besides, aluminum is known to induce various adverse health effects including neurological disorders. Therefore, monitoring the human body burden of these metals is important in preventing adverse health effects. In this study, we assessed the exposure to copper, zinc, and aluminum among an adult population residing in Daegu and Kyungbuk areas. Based on data from 171 participants, we found that the geometric mean copper, zinc, and aluminum concentrations in hair were 15.1 ㎍/g [95% confidence interval (CI): 13.1~17.5], 76.9 (95% CI: 70.4~84.1), and 1.11 ㎍/g (95% CI: 0.81~1.51), respectively. The copper concentrations in hair were significantly related to age, education, and residence area. In addition, zinc concentrations in hair were significantly related to age, whereas higher hair aluminum concentrations were related to alcohol drinking. Correlations between copper and zinc in hair had a significant positive correlation. Our findings suggest that the body burden of copper, zinc, and aluminum varies according to demographic factors, and hair could be used as a valuable biological medium for metal exposure.
대구지역 성인 여성의 주관적 체형인식 및 주관적 건강상태가 삶의 질에 미치는 영향
김영희 ( Kim Young Hee ),이다은 ( Daeun Lee ),김기석 ( Kisok Kim ) 대한미용학회 2024 대한미용학회지 Vol.20 No.2
The aim of the present research was to investigate the impact of subjective perception of body shape and subjective assessment of health on the quality of life among adult women residing in Daegu city. For the study, a community health survey conducted in 2021 and 2022 and the obtained data were analyzed through Mantel―Haenszel chi-square tests, linear regression analysis, and logistic correlation analysis using SAS version 9.4. The findings of the analysis indicated a significant association between age, BMI, and income level with subjective body shape (p<0.001), and between age, BMI, level of education, and income level with subjective health status (p<0.001). It was observed that EQ-5D scores decreased with increasing age and in the group of individuals classified as obese with a higher BMI (p for trend<0.001). Moreover, EQ-5D scores exhibited a notable increase with increasing levels of education and higher income (p for trend<0.001). The EQ-5D score linked to subjective perception of body shape typically peaked at 0.946 (95% CI, 0.942―0.949) for women who perceived themselves as thin and more prone to disability, and for those who perceived obesity and more likely to suffer from pain/discomfort and anxiety/depression. These results suggest that the development of community-based, environmentally appropriate health promotion and disease prevention programs is necessary to improve the health status and health-related quality of life of adult women in Daegu. This study is expected to make a significant contribution to the development of such programs.
내장형 실시간 소프트웨어의 원격디버깅을 위한 디버그에이전트의 설계 및 구현
공기석(Kisok Kong),손승우(Seungwoo Son),임채덕(Chaedeok Lim),김흥남(Heung-Nam Kim) 한국정보과학회 1999 한국정보과학회 학술발표논문집 Vol.26 No.2Ⅲ
인터넷에 접속되는 다양한 정보기기 등의 내장형 시스템에서 사용되는 실시간 소프트웨어를 개발하기 위해서는 자원이 풍부한 호스트 컴퓨터에서 동작되는 강력한 개발도구의 지원이 필수적이다. 디버그에이전트는 타겟시스템의 실시간 OS 상에서 실행되는 하나의 태스크로서, 디버거로 대표되는 호스트시스템의 각종 도구들과 디버그 프로토콜에 의해 정의된 메시지를 주고 받으며 이 도구들에서 내리는 명령을 타겟 상에서 수행하는 역할을 담당한다. 본 논문에서는 디버그에이전트를 포함하는 실시간 소프트웨어 개발 환경에 대해 살펴보고, 원격디버깅을 지원하는 디버그에이전트의 구조와 기능, 디버그 프로토콜에 대하여 기술한다.