Journal of the Korean Data and Information Science Society
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v.27
no.2
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pp.419-427
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2016
To examine whether the effect on utilization of ambulatory dental care are associated with oral disease according to pack-years of smoking in Korean population. Using data from Korea Health Panel between 2008 and 2012, we analyzed 3,866 participants who were male and more than 20 years. Pack-years of smoking were significantly associated with utilization in ambulatory dental care after adjustment for age, marital status, family income, and chronic disease. Ambulatory dental visitation frequency has been estimated to increase by 6% when 10.0 pack-years of smoking increased. Especially, the smokers who had 20.0~29.9 and 30.0 or more pack-years of smoking in forties and fifties males were 25% and 52% respectively more than non-smokers in utilization of ambulatory dental care.
Journal of the Korean Society of Food Science and Nutrition
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v.31
no.3
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pp.492-499
/
2002
The objective of this study is to identify the attribute factors for fast food selection according to their characteristics of the use behaviors and demographics. The results of these findings suggest the attribute factors for selection were classified into ten : physical service, cleanliness/promptness, human service, convenience/promotion, accessibility, menu variety, food quality, service for child and parking, added service, and comfortness. “Cleanliness” and “good taste” were considered as determining factors in selecting a fast food restaurant. According to the consumer's use behaviors and demographics, attribute factors for fast food selection were significantly different. Therefore, the marketers and managers on the fast food industry should develop their own appropriate marketing strategies and implement effective targeting, positioning, and promotional strategies.
Journal of the Korea Academia-Industrial cooperation Society
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v.16
no.3
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pp.2047-2054
/
2015
The purpose of this study was to define the relationship between job stress contents and smoking habits of manufacturing male workers. The 872 male workers were observed the general characteristics, smoking habits and job stress contents from the JCQ, during the period from February 1st to April 30st, 2012, using the self-administered questionnaires. As a results, the smoking rate of study subjects was 53.0%, and in terms of smoking status by general characteristics, the smoking group was higher in the group of age, job position and job career than their respective counterparts. In terms of smoking status by job stress contents, the smoking group was higher in the group of job demand and supervisor support than their respective counterparts. Based on the results of logistic regression adjusted age, job position and job career, the odds ratio of smoking was significantly increase in the high group of job demand than that of low group, but it was significantly decrease in the low group of supervisor support than that of high group. Above results suggested that the smoking related with the job demand and the supervisor support among the job stress contents.
Background : The past studies on prediction formulas of pulmonary function parameters in healthy nonsmoking Korean adults have been performed in relatively small number of subjects and the reported results were restricted on a few parameters. Also there was no systematic investigation into the effect of smoking on pulmonary function parameters in smokers who have no respiratory symptoms. Therefore we attempted to establish prediction formulas of pulmonary function parameters and examined the effect of smoking on pulmonary function parameters. Methods We analyzed the result of parameters derived from the forced expiratory spirogram in 1,067 nonsmoking subjects from June in 1990 to December in 1991. They consisted of 306 males and 761 females and had neither respitatory symptoms nor history of respiratory disease. We derived prediction formulas by multiple linear regression method from their age, heights, and weights in each sex. To examine the effect of smoking on pulmonary function parameters, we classified 383 smoking men into three groups according to the past amount of smoking as follows : i.e. group of smokers who have smoked below 10 pack-years, 10-20 pack-years and above 20 pack-years. Regarding each group of past smoking as an independent dummy variable, we analyzed pulmonary function parameters including nonsmoking men as a baseline by multiple linear regression. We evaluated the smoking effect on pulmonary function parameters according to estimated p-value. Result : 1) Prediction formulas for pulmonary function parameters in each sex were derived. 2) The past smoking less than 10 pack-years does not give any effect on pulmonary function parameters. The past smoking of 10~20 pack-years showed significant negative correlation with $FEV_1$/FVC and FEF 25~75%, and the smoking above 20 pack years showed negative correlation with $FEV_1$ and $FEV_1$/FVC. Conclusion : We have got prediction formulas of pulmonary function parameters which is driven from forced expiratory spirogram in nonsmoking Korean adults by multiple linear regression from age, heights and weights of subjects. The past smoking more than 10 pack-years showed negative correlation with some pulmonary function parameters of airflow obstruction.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.12
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pp.584-591
/
2018
This study was conducted to determine the levels of cognitive impairment (MMSE-K) among centenarians, and to reveal their association with related variables. The study subjects were 268 centenarians who received medical check-ups from the National Health Insurance Corporation during the period of 2016-2017. The levels of cognitive impairment were significantly reduced among females as well as those living with spouses and children, lower monthly income, lower BMI and individuals who engaged in smoking and alcohol consumption without regular exercise relative to their respective counterparts. The risk of definitive cognitive impairment in study subjects was significantly higher among women (ORs=9.85, 95% CI=2.88-33.59) than men and was lower in obese group (ORs=0.25, 95% CI=0.07-0.86) than in low weight groups, as well as in non-smoking (ORs=0.30, 95% CI=0.10-0.83) than smoking groups. The factors influencing the cognitive impairment of study subjects were sex, living status, monthly income, BMI and smoking status. Taken together, these results suggest that the levels of cognitive impairments among centenarians differed significantly in response to socio-demographic characteristics and health related variables. Especially, the levels of cognitive impairments decreased among those with poor health related variables such as smoking, alcohol consumption and regular exercise.
Journal of agricultural medicine and community health
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v.36
no.2
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pp.87-100
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2011
Objectives: This study aimed to identify factors associated with smoking relapse. Methods: The study sample was recruited among subjects who were enrolled in the smoking cessation clinic of a public health center and had succeeded in quitting smoking for at least six months. A total of 159 male subjects were followed via mail survey one year later. The independent variables in the analyses were socio-demographic characteristics, smoking history and behavior, receipt of smoking cessation aids, health behaviors and components of the health belief model (HBM). The dependent variable was smoking relapse assessed one year after quitting. Ordered logit regressions were used to identify factors associated with smoking relapse. Results: The relapse rate of the ex-smokers in our sample was 25.8%, and the occasional smoking rate was 17.0%. Univariate analyses revealed that only factors related to the HBM, such as perceived susceptibility to diseases (p<0.01), perceived severity of diseases (p<0.01), perceived health benefits of not smoking (p<0.01), perceived barriers to quitting smoking due to increasing stress and difficulty in social life (p<0.01), and self-efficacy (p<0.01) were associated with the likelihood of relapse for ex-smokers. Ordered logit analyses yielded two significant factors affecting the likelihood of relapse, the perceived barriers to quitting smoking and self-efficacy. Conclusions: Our results indicate that higher levels of barriers to quitting smoking and lower levels of self-efficacy were significantly related to risk of smoking relapse. These findings may be useful for identifying those at highest risk for relapse and choosing the optimal strategies for prevention of relapse for ex-smokers.
Journal of Korea Entertainment Industry Association
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v.13
no.2
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pp.197-205
/
2019
This study was to compare arterial stiffness and hemodynamic responses between male smokers and non-smokers. This study also investigates the influences of smoking before exercise on arterial stiffness and hemodynamic responses. 24 male subjects of age 20-29 without history of cardiorespiratory disease were divided into smokers and non-smokers. Smokers had more than 5 years of smoking experience. In order to evaluate the effects of pre-exercise smoking, smokers were tested twice, once with a cigarette before the exercise and the other once without one. Data was collected from bio-impedance analysis, SphygmoCor XCEL, graded exercise test, and fitness test. Main results of this study are as follows: First, there are differences between smokers and non-smokers in cardiorespiratory and hemodynamic response functions, as shown by maximal oxygen consumption, exercise duration, and heart rate. Second, the although the arterial stiffness between smokers and non-smokers showed statistically significant differences in the speed of the pulse wave velocity and augmentation index, smoker had a faster rate. It shows that smoking behavior has a negative impact on the cardiovascular system. Third, pre-exercise smoking behavior does have an impact on cardiorespiratory and hemodynamic response functions, as shown by exercise duration and heart rate. Lastly, arterial stiffness between smokers and non-smokers showed statistically not significant in the speed of the pulse wave velocity and augmentation index. However, the difference was not statistically significant. Brachial systolic pressure, a component of pulse wave analysis, on the other hand, was significantly dependent on pre-exercise smoking behavior. Subjects who participated in this study are college students in early 20s. Given their relatively short history of smoking, it is possible that their smoking habits are not severe enough to develop into cardiorespiratory or cardiovascular diseases. But Smokers showed lower levels of cardiopulmonary functions, as maximal oxygen consumption and exercise duration than nonsmokers.
Journal of the Korea Academia-Industrial cooperation Society
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v.12
no.10
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pp.4425-4433
/
2011
The purpose of this study was to explore the relation of BMI, smoking and drinking with biomedical parameters in 20s and 30s men. This was a retrospective exploratory study and the subjects were 603 men who participated in health check-up for clinical trial at a tertiary hospital between October 2006 and June 2011. RBC, hemoglobin(Hb), hematocrit(Hct), triglyceride(TG), uric acid(UA), ALT in obese group were significantly higher than those of normal weight group. WBC and Hb in smokers were significantly higher than those of nonsmokers, protein in smokers was significantly lower than that of nonsmokers. Platelet in moderate smokers who smoke 10~19 cigarettes a day was significantly higher than that of nonsmokers and light smokers who smoke below 10 cigarettes a day, albumin in moderate smokers was significantly lower than that of nonsmokers and light smokers. TG in moderate smokers was significantly higher than that of nonsmokers, and blood glucose(BG) in moderate smokers was significantly lower than that of nonsmokers. AST and ALT in drinkers who drink over 10g a day were significantly higher than those of nondrinkers. In regression, BMI was significant factors of increasing RBC, Hb, Hct, total cholesterol(TC), TG, BG, UA, AST and ALT. Smoking amount was significant factors of increasing WBC, Hb, Hct and TG, and was significant factors of decreasing BG and Ca. Smoking amount was significant factors of increasing TC, AST and ALT, and was significant factors of decreasing WBC. In conclusion, there was significant relations of BMI, smoking, and drinking with biomedical parameters such as Hb, TC, TG, and ALT in young-aged men. Therefore, practice of healthy lifestyle activities to include preventing obesity and heavy drinking, and quitting smoking needs to the 20s and 30s men for preventing lifestyle disease.
Park, Eun Ho;Jang, Tae Won;Jang, Li La;Paek, Jong yun;Oak, Chul Ho;Jung, Mann Hong;Jang, Hee Kyung
Tuberculosis and Respiratory Diseases
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v.62
no.3
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pp.203-210
/
2007
Background: The incidence of adenocarcinoma of the lung has been increasing worldwide, and it has been generally been accepted to be relatively unrelated to smoking with a female preponderance. The aim of this study was to examine the gender-related pathological and survival differences in patients with an adenocarcinoma of the lung. Material and Method: A retrospective review of the clinical information of patients diagnosed with an adenocarcinoma of the lung at Kosin Medical Center from January 1999 to September 2005 was performed. The patient's demographics (age, gender), smoking history, stage, serum tumor marker, pathology classification, EGFR mutation, K-ras mutation, treatment methods, and survival time were analyzed. Result: Of the 438 patients, 179 (40.9%) were female. The median age at the diagnosis was 58 years for females and 59 years for males. However, 25.8% of women and only 17.7% of men were under 50 years of age (p=0.02). The distribution of the disease stage was similar in both men and women. The bronchioloalveolar carcinoma component was diagnosed more often in women (11.2%) than in men (5.0%). The overall survival rate was higher in women than in men (p=0.01), and women had a superior therapeutic response to a combined treatment of surgery and chemotherapy. Conclusion: This study showed significant genders differences in terms of the smoking history, bronchioloalveolar carcinoma component, overall survival, and survival after combined treatment of surgery and chemotherapy. Therefore, gender differences should be considered when diagnosing and treating adenocarcinomas of the lung.
Journal of the Korea Academia-Industrial cooperation Society
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v.16
no.3
/
pp.2002-2011
/
2015
This study was performed to determine the levels of physical function (ADL, IADL) and to reveal its association with the related factors in the elderly people. The study subjects were 1,756 (male 872, female 884) people aged over 70 who received medical check-ups and long-term care services between 2009 and 2012 from the National Health Insurance Corporation. As a result, the distribution of impaired ADL and IADL increased significantly with age. Logistic regression showed that the risk ratio of impaired ADL was increased significantly in the following groups: female, urban, low weight, stroke history group, smoking, alcohol drinking, and not regular exercise group. The risk ratio of an impaired IADL were increased significantly in the group of females, low weight, smoking, alcohol drinking. On the other hand the risk ratio of an impaired ADL and IADL was similar in each age group. As above results, the levels of ADL and IADL in the study subjects are closely related to the socio-demographic characteristics and health related behaviors. In particular, they suggested that the levels of ADL and IADL were lower in the poor group of the health-related behaviors, such as smoking, alcohol drinking, and regular exercise.
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