• Journal of Preventive Medicine and Public Health
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• 제29권1호
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• pp.43-50
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• 1996

We experienced a case of nephropathy in chronic lead poisoning. The patient was 43-year-old male who has been working in secondary lead smelting plant for 14 years. On admission, blood pressure was 160/90 mmHg and the others were non-specific. In past history, he received chelating agent administration for lead poisoning irregularly and medicated for gout, and the blood lead concentration was $180.0{\mu}g/dl$ on 2 months before admission. Smoking habit has been 1 pack per day for 15 years and drinking habit has been 1 bottle of Soju per day but less flow. In liver function test, AST/ALT were 27/28 IU/l and $\gamma-GT$ was 456 IU/l. In blood test, Hb : 11.5 g/dl, Hct : 34.0% and basophilic stipplings were found in peripheral blood smear. Chest PA was normal and abdominal ultrasonographic finding was non-specific except fatty liver. In the test of lead exposure indices, $PbB:83.0{\mu}g/dl,\;PbU:28.3{\mu}g/l$, and blood ZPP was $300.0{\mu}g/dl$. And in renal function test, BUN : 31.4 mg/dl, blood creatinine : 2.7mg/dl, blood uric acid. 9.1 mg/dl, urinary albumin : 100.0 mg/g creatinine, urinary $\alpha_1-microglobulin$ : 120.5 mg/g creatinine, urinary $\beta_2-microglobulin$ : $183.8{\mu}g/g$ creatinine, and 24 hours urinary creatinine clearance was 31.9 ml/min. The ultrasonoguided renal biopsy showed the global sclerosis of glomerulus, moderate atrophy and loss of tubule, and interstitial fibrosis in light microscopy. There were diffuse losses of brush border of proximal tubule in electronmicroscopy.

• Environmental Analysis Health and Toxicology
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• 제21권2호
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• pp.153-163
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• 2006

Essential metals have been known to interact with non-essential toxic metals in the aspects of absorption, transport and deposition in the body. Iron deficiency has been reported to increase lead and/or cadmium absorption. The relation between iron and lead has been understood well in children but not in adults. Two hundred seventy adults (118 males and 152 females) were recruited from 3 different residental areas (rural, coastal and urban) to investigate the effects of environmental lead exposure on body iron status. The subjects were interviewed for life-style and diet of the last 24 hours, and measured for blood lead and body iron. The lead concentration in the whole blood was determined by a flameless method using an atomic absorption spectrophotometry. The body iron was evaluated with values of hemoglobin, hematocrit, RBCs, serum total iron, unsaturated iron binding capacity, total iron binding capacity and ferritin. The mean concentration of blood lead in adult was $3.31{\mu}g/dL$. The concentration was higher in male ($3.97{\mu}g/dL$) than in female ($2.86{\mu}g/dL$). The blood lead was influenced by residental area, life-style, smoking and drinking, occupation and diet habit of subjects, but not by age. A positive correlation was observed between the blood lead level and the serum iron or ferritin. These results suggest that environmental lead exposure in Korean adult may not be higher than other developed and developing countries. It is further indicated that blood lead in adult could be influenced by life-style, and environmental and genetic factors but no inverse relation with body iron as shown in children.

• Journal of Preventive Medicine and Public Health
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• 제45권5호
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• pp.301-308
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• 2012

Objectives: To examine the association between alcohol consumption habit, types of beverages, alcohol consumption quantity, and overall and cancer-specific mortality among Korean adults. Methods: The alcohol consumption information of a total of 16 320 participants who were 20 years or older from the Korean Multicenter Cancer Cohort were analyzed to examine the association between alcohol consumption habit and mortality (median follow-up of 9.3 years). The Cox proportional hazard model was used to estimate the hazard ratio (HR) of alcohol consumption to mortality adjusting for age, sex, geographic areas, education, smoking status, and body mass index. Results: Alcohol drinkers showed an increased risk for total mortality compared with never drinkers (HR, 1.72; 95% confidence interval [CI], 1.38 to 2.14 for past drinkers; HR, 1.21; 95% CI, 1.06 to 1.39 for current drinkers), while past drinkers only were associated with higher risk for cancer deaths (HR, 1.84; 95% CI, 1.34 to 2.53). The quantity of alcohol consumed per week showed a J-shaped association with risk of mortality. Relative to light drinkers (0.01 to 90 g/wk), never drinkers and heavy drinkers (>504 g/wk) had an increased risk for all-cause and cancer deaths: (HR, 1.18; 95% CI, 0.96 to 1.45) and (HR, 1.39; 95% CI, 1.05 to 1.83) for all-cause mortality; and (HR, 1.55; 95% CI, 1.15 to 2.11) and (HR, 2.07; 95% CI, 1.39 to 3.09) for all cancer mortality, respectively. Heavy drinkers (>504 g/wk) showed an elevated risk for death from stomach and liver cancers. Conclusions: The present study supports the existence of a J-shaped association between alcohol consumption quantity and the risk of all-cause and cancer deaths. Heavy drinkers had an increased risk of death from cancer overall and liver and stomach cancer.

• 정신신체의학
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• 제3권1호
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• pp.39-48
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• 1995

This study was designed to investigate the role of weight control in the formation of underlying pathology in eating disorder or eating related problems. The subjects were 304 college athletes(Male : 187. Female: 121) and they were divided into two groups according to need for weight control(Weght control group: 110, Weght non control group: 194). The authors used self report questionnaire which was composed of epidemiologic data, food habit scale, eating attitude test, scale for locus of control for weight, scale for food preference and eating behavior. And we also used Eysenck Personality Questionnaire of Korean standardized edition for assessment of personality characteristics, Beck depression inventory, and the scale of hypochondriasis. The results were as follows: 1) Body mass index and the amount of cigarrette smoking and alcohol drinking showed significant differences by sex but not by need for weight control. 2) Eating habit of female athletes was the worst in all athletes. The score of eating attitude test of female athletes was higher than that of male athletes but there was no significant difference by need for weight control. Food preference and eating related behavior was also different by sex. 3) There were no significant differences in all subscales of Eysenck Personality Questionnaire, Beck depression inventory, and the scale of hypochondriasis between two groups which were divided by need for weight control. Neuroticism score was higher in female atheletes and psychoticism score was the highest in weight control male atheletes. 4) There was no significant difference in number of population with abnormal EAT score(to-tal score$\geq$26) between two groups which were divided by need for weight control. 5) The score of eating attitude test had positive correlation with the score of psychoticism and the tendency of depression in weight control male athletes but not in non-weight control male athletes. In non-weight control male athletes, the score of eating attitude test had positive correlation with the score of lie scale. so its correlation is different from those of weight control male athletes. But in female athletes, the score of eating attitude test had significant positive correlation with the score of psychoticism in both groups. In conclusion, these results suggest that the differences of eating traits in athletes are depend upon the sex difference, not upon the need for weight control. and that the role of weight control in eating disorder or abnormal eating attitude differs according to sex.

• Environmental Analysis Health and Toxicology
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• 제14권4호
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• pp.189-201
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• 1999

Lead (Pb) is ubiquitous in the urban environment and is a well-known toxic element. It may cause adverse health effects on hematopoietic system, peripheral and central nervous systems, kidney functions, and others. In recent decades, lead concentration in blood has been widely used one of indicators for lead exposure and risk evaluation. In this study, we determined the blood-lead levels in general populations of Korea, and investigated the relationship among blood-lead levels, sociobehavioral factors, and lead concentrations in the contacted environments such as ambient air, drinking water, and foods. The study subjects consisted of volunteers who had lived in the residential or industrial area in Korea. Information about gender, age, living area, occupation, smoking, heat system, and dietary habits, etc was collected using a self-reported questionnaires. The lead concentrations of environments were collected by literature search to the study area. Participated subjects in industrial area were 726 and their blood-lead levels were 8.58 $\mu\textrm{g}$/dl for males and 6.26 $\mu\textrm{g}$/dl for female in average. The other subjects in residential area were 317 and their blood-lead levels were 4.58 $\mu\textrm{g}$/dl for males and 3.49 $\mu\textrm{g}$/dl for female in average. The distribution of blood-lead level in the industrial subjects was well fitted to the log -normal distribution and that in the residential subjects was well fitted to the normal distribution. Blood-lead levels in both area were affected by gender, smoking habit, age and residence duration except age in industrial area and residence duration in residential area. It was identified that 30% of blood-lead level was contributed from the inhalation of ambient air in the industrial area, and 8.4% of blood-lead level was from that in the residential area. from this study, it would be suggested for the health risk assessment and management of lead pollution concerns in urban, industrial and rural areas.

• 대한한방내과학회지
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• 제28권1호
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• pp.47-67
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• 2007

Objectives : This study was aimed to investigated the warning signs and its relationship with the other characteristics in acute stroke patients. Methods : 225 acute stroke patients were recruited at the Department of Cardiovascular and Neurologic Diseases (Stroke Center) of Kyung Hee University Oriental Hospital from October 2005 to September 2006. We evaluated their stroke type with brain MRI, their warning signs, and general characteristics such as age, sex, past history, risk factors, etc. Results : 225 subjects were included in the final analysis. In the subjects' general characteristics, the most common etiology of stroke was small vessel occlusion. In the assessment of the subjects' warning signs, the frequency of tension felt at the cervical area was highest followed by blepharospasm, sensory dysfunction (one side of numbness, tingling sensation, dead sensation), one side paralysis or weakness, etc. After analyzing etiology, cerebral hemorrhage had more facial spasm sign and hypertension than cerebral infarction. On the other hand, cerebral infarction had more diabetes and sensory dysfunction (one side of numbness, tingling sensation, dead sensation) than cerebral hemorrhage. Among stroke locations, subjects with their brain lesion in the cortex had more warning sings of motor dysfunction such as one side paralysis, or weakness. Multiple lesions showed a close relationship with smoking habit and were more common in males than in females. The under 65 years old group were more commonly associated with alcohol consumption, accidental mental stress and blepharospam than the over 65 years old group. In the group of under 65 years old, males more commonly had lesions in occipital lobe, alcohol consumption and smoking habit than females. Otherwise, females more commonly had vision dysfunction and blepharospasm than males. In the group of over 65 years old, males more commonly had cortex lesion than females. On the other hand, Females more commonly had accidental mental stress than males. Conclusions : We observed various warning signs and their distribution in acute stroke patients. The subjects' brainlesions and their etiology seemed to affect the features of the warning signs. Hypertension, diabetes and hyperlipidemia were also related to etiology of stroke and some habitual problems such as smoking and drinking seemed to reduce the age of stroke ictus. Although a concrete conclusion can hardly be drawn from this study, it reminds physicians of the importance of warning signs which appear among their patients.

• 정신신체의학
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• 제18권1호
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• pp.19-29
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• 2010

연구목적 : 본 연구를 통해 양극성 장애 I형 혹은 II형 진단 기준에는 부합하지 않지만, (경)조증적 성향 혹은 기분 불안정성 등의 양극성 경향(bipolar tendency, bipolarity)을 가진 사람에게서, 주관적으로 지각하는 스트레스 수준, 스트레스 취약성을 반영하는 것으로 알려진 A형 행동 유형(Type A Behavior Pattern, TABP), 그리고 건강하지 못한 생활습관의 위험이 증가되어 있는지 확인하고자 한다. 방 법 : 정신과적 병력이 없는 30세 이상의 1987명의 연구 대상군이 분석에 포함되었다. 이들 중에서 기분장애설문지 (Mood Disorder Questionnaire, MDQ)의 (경)조증적 증상 경험에 대한 13개 항목 중에서 7개 항목에 "예"라고 응답한 사람들을 양극성 경향군으로 분류하였다. 양극성 경향군과 비양극성 경향군 사이에서 지각된 스트레스 척도(Perceived stress scale, PSS), TABP를 반영하는 A/B 생활 습관 설문(A/B Lifestyle ques-tionnaire) 점수와, 음주, 흡연, 불규칙적인 식사, 운동 부족 등의 생활 습관 변인을 비교하였다. 결 과 : 양극성 경향군(329명, 16.6%)은 비양극성 경향군에 비해 TABP를 반영하는 A/B 생활 습관 설문의 총 점수가 유의미하게 높았으며(125.4점 vs. 115.9점, p<0.001), TABP로 판정(총 점수 135점 이상)된 비율도 양극성 경향군에서 유의미하게 높은 것으로 관찰되었다(41.3% vs. 30.1%, p<0.001). 주관적으로 지각하는 스트레스 수준의 비교에서도, 양극성 경향군이 비양극성 경향군에 비해 유의미하게 높았다(18.5 vs. 16.5, p<0.001). 생활습관의 비교에서 '불규칙적인 식사'(20.1% vs. 14.3%, p=0.002), '주 4회 이상 음주'(29.8% vs. 16.5%, p<0.001), '현재 흡연'(41.9% vs. 23.0%, p<0.001), '주 2회 이하 운동'(63.2% vs. 55.1%, p=0.007) 이라고 응답한 사람의 비율이 양극성 경향군에서 유의미하게 높았다. 결 론 : 양극성 경향을 가진 경우는 스트레스에 취약한 행동 양상이 높게 관찰되고, 주관적으로 지각하는 스트레스 수준도 높고 흡연, 음주, 불규칙한 식사와 운동 부족과 같은 건강하지 못한 생활 습관을 가지고 있을 위험도 높은 것으로 확인되었다. 이러한 위험 요소들은 비만, 대사증후군, 당뇨, 그리고 심혈관계 질환의 발병 위험을 높일 수 있으므로, 양극성 경향을 가진 사람들은 스트레스 관리 및 건강한 생활 습관을 유지하기 위한 보다 적극적인 노력이 필요하다.

• 동아시아식생활학회지
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• 제18권4호
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• pp.436-445
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• 2008

뇌졸중은 그 발병 자체가 치명적일 뿐만 아니라 다양한 합병증과 후유증을 야기하여 환자에게 심각한 신체적 정신적 고통을 남기고 장기적인 재활치료를 요구하며 환자 가족들에게까지 정신적 경제적 고통을 야기시킨다. 본 연구는 대구 S병원의 뇌졸중 환자들의 생활 패턴 및 식행동 특성을 분석하고 뇌졸중을 일으키는 생활 습관 및 식생활 관련 위험요인을 파악하여 지역민의 뇌졸중 예방을 위한 영양교육의 기초자료를 얻고자 수행되었다. 연구 내용은 뇌졸중 환자들의 일반 특성, 생활 습관 및 식태도 등의 내용을 포함한 설문지를 이용하여 조사자와 직접면접을 통하여 이루어졌다. 2005년 2월부터 8월까지 뇌졸중으로 대구 S병원의 신경외과 병동에 입원한 환자와 신경외과 외래를 정기적으로 방문하는 환자를 환자군으로 선정하였다. 환자군의 선별은 임상적 증상에 의해 신경외과 의사의 진단을 받은 30세 이상의 경우로 국한하였다. 환자군 36명에 대한 정상 대조군은 동일병원에 뇌졸중 질환이 없고, 환자와 유사한 조건의 건강한 환자 보호자 및 원내 직원 36명을 대상으로 하였으며, 그 결과는 다음과 같다. 1) 뇌졸중 환자군에서 체질량 질수(BMI)는 건강인과 비슷하였으나 WHR은 대조군에 비해 유의적으로 높게 나타났다. 2) 뇌졸중 환자의 동반질병으로는 고혈압, 당뇨병, 위장질환 순으로 높게 나타나, 고혈압은 뇌졸중 발병 위험을 높여주는 위험요인으로 사료된다. 3) 뇌졸중 환자는 과거 흡연가와 현재 흡연가의 비율이 대조군에 비해 유의적으로 높게 나타나, 흡연이 뇌졸중 발병 위험을 높이는 위험 요인으로 사료된다. 4) 주당 음주 횟수에 관한 조사 결과, 환자군이 대조군에 비해 유의적으로 높게 나타나, 음주횟수 및 음주량 증가가 뇌졸중 발병 위험을 높이는 요인 중 하나로 사료된다. 5) 뇌졸중 환자군의 식욕을 돋우는 입맛으로 짠맛이 유의적으로 높게 나타나, 뇌졸중 동반 질병인 고혈압과 짜게 먹는 식습관이 뇌졸중 발병에 밀접한 관계가 있는 것으로 사료된다. 결론적으로 본 연구 결과, 뇌졸중 환자에 있어서 위험요인은 복부 비만, 흡연, 음주, 운동 부족, 짜게 먹는 식습관과 관련이 있는 것으로 나타났다. 그러므로 올바른 생활 습관 및 식습관을 유지하고 다양한 식품을 규칙적으로 섭취하면 뇌졸중을 예방에 도움이 될 수 있을 것으로 여겨진다. 아울러, 뇌졸중의 위험인자 관리를 위한 식이요법의 중요성과 이에 대한 구체적인 식이요법 교육 프로그램과 실천이 절실히 필요하다. 뇌졸중은 발병 후 치료하기보다는 위험성을 증가시키는 여러 위험요소를 찾아내어 이를 관리하고 예방하는 것이 더욱 중요하다고 하겠다. 뇌졸중은 다른 질환과 달리 위험인자가 알려져 있고, 위험인자를 관리하느냐에 따라 예방이 가능하며, 또 이미 발병한 환자의 경우 재발 방지도 가능한 것으로 보고되고 있다. 이미 서구에서는 뇌졸중 예방을 위한 범국민적 교육을 통해 뇌졸중에 의한 사망률이 현저히 감소했으나, 우리나라의 경우는 그렇지 않다. 한국인 사망률의 수위를 차지하는 뇌졸중의 인한 재발 방지를 위해서는 획일적 영양교육보다 환자 개인에 적합한 개별적 영양교육이 이루어져야 할 것이다.

• 한국식품영양과학회지
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• 제34권9호
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• pp.1388-1397
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• 2005

울산지역 기숙사 거주 대학생 758명을 대상으로 일반환경요인, 식생활 및 건강관련 요인, 식습관, 영양지식, 기숙사급식소 이용실태를 조사한 결과를 요약하면 다음과 같다. 조사대상자는 남자가 580명 ($76.5\%$), 여자가 178명 ($23.5\%$)으로 평균나이 20.7세, 신장은 남녀 각각 $175.2\pm5.0\;cm,\;162.6\pm4.1\;cm$이었으며, 체중은 $69.4\pm9.6\;kg,\;51.8\pm5.9\;kg$으로 나타나 한국인 영양권장량에 제시되어 있는 성인남녀 기준치와 유사한 것으로 나타났다. 식생활과 건강관련 요인에서는 기숙사 거주 학생의 $26.8\%$가 항상 결식을 하며, 그 중에서도 아침 결식율이 $76.8\%$로 높게 나타났고, 편식을 한다는 응답이 $43.8\%$로 남학생보다 여학생의 편식율이 높은 것으로 나타났다. 편식식품으로는 생선류, 기타, 육류, 채소류 순이었다. 매일 규칙적으로 운동하는 학생은 $8.7\%$, 흡연율은 $28.6\%$였다. 특히 식생활에서 주목할 만한 사항은 간식 섭취율로, 과거보다 간식을 통한 열량 섭취가 많아졌으며 자택거주 학생보다 가공식품, 편의식품을 이용할 기회가 많은 것으로 나타났다. 식습관 점수는 평균 $59.9\pm11.0$으로 남학생(60.6 $60.6\pm10.9$점)이 여학생($57.7\pm11.4$점)보다 높은 점수를 얻었으며, 거주기 간이 길수록 식습관 점수가 높은 것으로 나타났다 (p<0.01). 영양지식 점수는 전체평균 $7.8\pm1.8$점으로 남자 $7.6\pm1.8$점, 여자 $8.5\pm1.3$점으로 나타났으며, 이에 영향을 주는 요인으로는 성별, 거주기간, 용돈으로 나타났다(p<0.01). 영양지식 점수가 높으면 식습관 점수도 좋은 것으로 예상하였으나 오히려 식습관 점수가 높은 남학생의 영양지식 점수가 여학생보다 더 낮은 것으로 나타나서 유의적인 관계가 없는 것으로 나타났다. 이것은 영양지식이 실생활로 실천이잘 되지 않았기 때문에 비롯된 것이라고 생각한다. 하루 평균 2회 이상 기숙사 급식소를 이용하는 학생은 전체의 $82.7\%$로 비교적 높게 나타났으며, 여학생보다 남학생이 더 자주 이용하는 것으로 조사되었다. 개선되어야할 항목으로는 음식의 품질과 메뉴의 다양성으로 나타났다. 현재 기숙사에서는 영양교육과 식사에 대한 인식이 미흡한 실정이므로 앞으로 기숙사 급식에 의존하는 학생들이 많아질 것을 감안할 때 학생 스스로가 영양교육 프로그램에 참여할 수 있도록 기숙사 자체의 홈페이지를 통하여 동기를 부여하고 학생들이 피드백 할 수 있도록 지속적인 관리가 필요하다고 본다.

• 한국산업보건학회지
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• 제27권2호
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• pp.138-148
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• 2017

Objectives: Sleep quality is directly related to the health, quality of life and working capacity and is affected by age, gender, exercise, life habits. Gender dissimilarities in sleep quality are acknowledged. However, the gender difference in the quality of sleep in shift workers was not well known. Our aim was to study the less known gender differences in the quality of sleep of shift workers. Methods: 1,008 study subjects aged between 21 and 57 years among these, 637(525 male and 112 female workers) were daytime workers and 371(253 males and 118 female workers) were shift workers. Sleep quality was measured by self-report through the Pittsburg Sleep Quality Index(PSQI) and fatigue was measured by using the Chalder Fatigue Scale(CFS). All data was analyzed using SPSS version 19.0 program. The study was approved by the Institutional Review Board of the Occupational Safety and Health Research Institute. Results: Overall, sleep quality was found to be worse in shift workers than in daytime workers and in female than in male. Fatigue in shift female workers was significantly higher than in daytime female workers and shift male workers. In Spearman correlation analysis results, fatigue were significantly associated with gender, drink habit, regular exercise, working hours and sleep quality. With group male workers as the reference, the odds ratio(OR) for having a CFS was 2.115(${\beta}$ value=0.749, p<0.01), and subjective sleep quality, sleep latency, daytime dysfunction and PSQI were 1.541(${\beta}$ value=0.432, p<0.05), 2.297(${\beta}$ value=0.831, p<0.001), 1.798(${\beta}$ value=0.587, p<0.01) and 2.224(${\beta}$ value=0.799, p<0.01), respectively. Conclusions: Shift work played an important role in lowering the quality of sleep, and the effect was more pronounced in female workers than in male workers. Sleep quality was related to fatigue, especially sleep quality, sleep duration, sleep disturbances and daytime dysfunction were significantly related. Therefore, to improve fatigue and sleep quality of shift worker, it is necessary to improve healthy habits such as regular exercise, smoking cessation, and limited drinking. In particular, it is urgent to develop and implement a regular exercise program to reduce fatigue and improve the quality of sleep in workplace.