비알코올성 지방간과 대사증후군 및 혈청 카로테노이드와의 관련성

박선균,이현정,이덕희,이성국,천병렬,김성애,이혜성,손효경,김성희,Park, Sun-Kyun,Lee, Hyun-Jung,Lee, Duk-Hee,Lee, Sung-Kook,Chun, Byung-Yeol,Kim, Sung-Ae,Lee, Hye-Sung,Son, Hyo-Kyung,Kim, Sung-Hi 대한예방의학회 2008 예방의학회지 Vol.41 No.1

Objectives : This study was conducted to investigate the associations of non alcoholic fatty liver with metabolic syndrome and the serum carotenoids. Methods : This study was conducted in a general hospital in South Korea from November, 2004 to August, 2005. The study subjects were 350 sampled persons who were aged from 40 years and older (males : 180, females : 170). They were grouped into the normal, mild and severe groups according to fat accumulation in their livers, as determined by ultrasonography. We analyzed the association between non alcoholic fatty liver and metabolic syndrome by multiple logistic regression analysis and we analyzed the association between non alcoholic fatty liver and the serum carotenoids by a general linear model(ANCOVA). Results : After adjustment for the effect of potential covariates, the prevalence of metabolic syndrome was associated with fat accumulation in the liver (p trend <0.001). If the odds ratio of normal group is 1.00, then that of the mild group is 2.80 (95% C.I=1.17-6.71) and that of the severe group is 7.29 (95% C.I=2.76-19.30). The prevalence of metabolic alterations fitting the criteria of metabolic syndrome, according to the class of fat accumulation in the liver, was significantly increased, except for criteria of high blood pressure, a large waist circumference and low HDL (high density lipoprotein) cholesterol level (p trend <0.001). The level of serum ${\beta}$-carotene was decreased according to the class of fat accumulation in the liver (p trend=0.036), but the levels of serum ${\alpha}$-carotene, lycopene, ${\beta}$-cryptoxanthin and lutein were not decreased. Conclusions : This study shows that non alcoholic fatty liver was associated with metabolic syndrome and with the serum ${\beta}$-carotene level.

해군 정비창 작업장에서의 만성병 유병률 조사

박선균 ( Sun-kyun Park ),홍순억 ( Soon-auck Hong ) 국군의무사령부 2013 대한군진의학학술지 Vol.44 No.1

Objective : This study was performed to investigate the prevalence of hypertension and diabetes in naval ship repairing shop. Method : The study was conducted from March, 2012 to July, 2012, and total study participants were 1,260 male workers. To compare with general population in Korea, data from the Korean National Health and Nutrition Survey in 2010 were used and analysed together. Results : Among subjects with age ≥ 30 years, the age-standardized prevalences of prehypertension, hypertension, prediabetes, and diabetes were 52.9 % (95 % C.I. 50.1-55.7), 25.1 % (95 % C.I. 22.6-27.5), 23.9 % (95 % C.I. 21.5-26.3), and 6.7 % (95 % C.I. 5.3-8.1), respectively. Generally, age-specific prevalences of hypertensive and diabetic states were increasing as age increased except for prehypertension. Conclusion : The results show that the prevalence of prehypertension is more than a half in the subjects. The republic of Korea Navy should concentrate to improve awareness and control of prehypertension.

비침습적 검사를 통한 건강 정도 측정을 위한 바이오체크 유닛과 건강지수의 개발

이종선(Chong Sun Lee),이성일(Sung Il Yi),소병록(Byung Rok So),박병강(Byung Kang Park),정인욱(In Wook Chung),이승주(Seung Ju Lee),박선균(Seon Kyun Park),한청은(Chengen Han) Korean Society for Precision Engineering 2011 한국정밀공학회지 Vol.28 No.7

A bio-check unit and health index were developed to provide information on personal health state with easily available noninvasive measurements and surveys. Four health indices were defined such as cardiovascular index, stress index, obesity index, and management index. Methods were developed to calculate health index scores from measured physiological signals and answer of survey questions. In order to evaluate effectiveness of the health indices, a clinical trial was conducted for 362 persons who visited general hospital for annual health inspection. The cardiovascular index showed a good correlation coefficient of 0.685 with the cardiovascular health graded by a medical doctor. The stress index showed a good correlation coefficient of 0.638 with the results of stress questionnaires being used in the public health center. Once the health index function is added in the bio-check unit, the unit may provide useful contents for personal health management.

해군 정비창 작업자에서 소음성 난청과 고혈압의 관련성에 관한 연구

최성우 ( Seong-woo Choi ),박선균 ( Sun-kyun Park ),김성민 ( Sung-min Kim ) 국군의무사령부 2011 대한군진의학학술지 Vol.42 No.1

Objective: Noise is the most common occupational hazard to which workers are exposed in naval ship repairing shop. There is a hypothesis that prolonged noise exposure elevates blood pressure in workers. This study aimed to explore the relationship between noise-induced hearing loss and hypertension using the cross-sectional design. Method: Study subjects were 1,375 navy servicemen and civilians working in the naval ship repairing shop. Periodic labor health exam data in year 2009 and 2010 were analyzed. Information about age, gender, hypertension, family history, smoking history, body mass index(BMI), and total cholesterol level were collected and these covariates were adjusted for using statistical models. Results: We did not find any significant association of noise-induced hearing loss and hypertension. Age and BMI were significantly related to the hypertension prevalence. Conclusion: Further research with more delicate design is needed to clarify the effect of noise exposure on blood pressure.

보건소 금연클리닉 6개월 금연성공자의 재흡연과 관련요인

손효경,정운영,박기수,감신,박선균,이원기,Son, Hyo-Kyung,Jung, Un-Young,Park, Ki-Soo,Kam, Sin,Park, Sun-Kyun,Lee, Won-Kee 대한예방의학회 2009 예방의학회지 Vol.42 No.1

Objectives : This study was conducted to examine the factors implicated when people start smoking again after a 6 month cessation, and was carried out at the smoking cessation clinic of a public health center. Methods : The study subjects were 191 males who had attended the smoking cessation clinic of a public health center for 6 months in an attempt to quit smoking. Data was collected, by phone interview, regarding individual smoking habits, if any, over the 6 month study period. The factors which may have caused an individual to smoke again were examined. This study employed a health belief model as it theoretical basis. Results : Following a 6 month cessation, 24.1% of the study group began to smoke again during the 6 month test period. In a simple analysis, the factors related to individuals relapsing and smoking again included barriers of stress reduction, body weight gain and induction of smoking by surroundings among perceived barriers factor of our health belief model(p<0.05). In multiple logistic regression analysis for relapsed smoking, significant factors included barriers of stress reduction and induction of smoking by surroundings(p<0.05). The most important reason of for an individual to relapse into smoking was stress(60.9%) and the most likely place for a relapse to occur was a drinking establishment(39.1%). Conclusions : Our results indicate that both regular consultations and a follow-up management program are important considerations in a public health center program geared towards maintaining smoking cessation.

해군장병 건강 및 체력측정 결과 분석

김경태 ( Kyungtae Kim ),이석우 ( Seokwoo Lee ),박선균 ( Sun-kyun Park ) 국군의무사령부 2013 대한군진의학학술지 Vol.44 No.1

Objective : To analyze ROK Navy soldiers's health and physical strength and compare with national physical fitness investigation. Method : we measured 557 Navy soldiers's physical status from October 2011 to Febrary 2012 in underwater medical institute, marinetime medical center. They checked body %fat, grip strength, sit and reach, sit up. Results : To compare with national physical fitness investigation, the Navy soldiers didn't show the more healthy and physical strength. In body %fat, about 60% of Navy soldiers have obesity, and the obesity has getting severe according to the increasing ages. In sit and reach, Navy soldiers show good results except group 19-24 age. In sit up, Navy soldiers show less ability. Conclusion : The Navy soldiers didn't have a better health and physical strength to compare with national physical fitness investigation. We think that because they work on ship or submarine, they don't have enough time and place to save their health and physical status.

유방암 조기검진에 대한 단계별 행동과 관련 요인 -국가암조기검진 대상자를 중심으로-

손효경,감신,박기수,김장락,김록범,박선균,Son, Hyo-Kyung,Kam, Sin,Park, Ki-Soo,Kim, Jang-Rak,Kim, Rock-Bum,Park, Sun-Kyun 대한예방의학회 2009 예방의학회지 Vol.42 No.2

Objectives : This study was performed to evaluate the relationships between psychosocial characteristics and changes in the stage of breast cancer screening behavior. Methods : The 474 study subjects were randomly sampled from 21,459 women(age range, 40-70 years) who were eligible for the Korean National Cancer Screening Program in 2006 in Jinju, Gyeongsangnam-do. The information, including behaviors and sociodemographic characteristics, attitudes, subjective norms and self-efficacy, was collected by trained interviewers via home visits. The breast cancer screening stages were grouped as precontemplation, contemplation, action, maintenance and relapse, according to Rakowski. Results : Of the 474 women, 18.8% were in the precontemplation stage, 23.3% were in the contemplation stage, 13.1% were in the action stage, 36.6% were in the maintenance stage, and 8.2% were in the relapse stage. The distribution of stages was associated with attitude, subjective norms and self-efficacy(p for trend<0.01). To investigate the overall relationship between the variables, we conducted a linear structural equation model analysis based on the theory of planned behavior. The subjective norms and self-efficacy influenced the stage of the women's screening behavior. Conclusions : We should target on self-efficacy about the screening behavior of women by performing timely, thoughtful interventions. The support from family members, friends and other people is crucial for women to undergo breast cancer screening and to improve the breast cancer screening rate.

유전알고리즘을 이용한 모터내장형 주축 시스템의 최적설계

최영휴,박선균,김종무 國立 昌原大學校 産業技術硏究所 2002 産技硏論文集 Vol.16 No.-

This study introduces the design optimization of a high speed spindle system for minimum critical speed, compliance, and weight using a genetic algorithm. The rotor, shaft, and bearing components are modelled as appropriate finite element respectively. In the design optimization, the length, inner and outer diameters of the shaft, bearing positions(or bearing span) and bearing stiffness were set as design variables. An unique objective function is obtained by multiplying an appropriate weighting factor by multi-objective functions, such as critical speed, compliance, and the total weight. The constraints are limitations of maximum critical speed, total weight, and vibration level of the spindle system. Optimization results show that critical speed, weight, and the compliance are reduced by 18.6%, 2.2% and 36% respectively compared with the initial design of the spindle system.