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한국 40세 이상 남성의 식이패턴과 비만 요인들의 상대적 위험도
곽창근(Chang Keun Kwock),박준형(Junhyung Park),이민아(Min A Lee),김은미(Eun Mi Kim) 한국식품영양과학회 2013 한국식품영양과학회지 Vol.42 No.11
본 연구에서는 식이패턴의 차이가 BMI 25 이상의 비만 발병에 영향을 미치는지 구명하였다. 한국인유전체역학조사사업으로 일환으로 수행된 안성-안산 코호트 연구의 식품섭취빈도 자료에 대해 군집분석을 수행하여 3개의 식이패턴 군집을 도출하였다. 3개의 식이패턴은 ‘다양성’, ‘잡곡’, 그리고 ‘쌀밥’ 식이패턴이다. 식이패턴, 나이, 열량섭취량, 소득, 교육수준, 흡연여부, 음주량, 고강도 활동 시간, 직업 변수들을 비만 발병률에 대한 Cox Hazard Model을 회귀분석 실시한 결과 식이패턴변수는 비만 발병에 영향을 미치지 않는 것으로 나타났다. 오히려 식이패턴보다는 나이, 섭취 열량, 소득, 고강도 활동시간, 직업 요인들이 비만 발병에 유의성 있는 영향을 미치는 것으로 나타났다. A debate over the association between dietary patterns and obesity is not settled in the literature. Some studies suggest that there are significant differences in the mean body mass index (BMI) across dietary patterns, while others refute the result. Therefore, we extended this line of study to examine whether the influence of dietary pattern is strong enough to affect the incidence of obesity based on the criterion, BMI=25. We identified 3 dietary patterns using a cluster analysis of food intake data obtained from the food frequency survey conducted as a part of Korean genome epidemiologic study: "variety", "unrefined grain", and "rice" dietary patterns. A Cox Hazard regression result showed that the all the dietary pattern variable parameters were not significant. Hence, it was concluded that the dietary patterns do not affect the incidence of obesity under the control of variables, such as age, energy intake, and etc.
김태균(Tae Kyun Kim),곽창근(Chang Keun Kwock) 한국농업경제학회 2001 農業經濟硏究 Vol.42 No.1
The hypothesis of structural change in the demand system for alcoholic beverages in Korea is tested in this paper. Both parametric approach and nonparametric approach are employed using quarterly data from 1985 through 1998. The results indicate that structural change is biased against Soju (Korean gin) and Takju (rice based fermented beverage), in favor of beer and whisky, and it affects estimated elasticities of demand.
박준형(Junhyung Park),곽창근(Chang Keun Kwock),이민아(Min A Lee) 한국농업경제학회 2012 農業經濟硏究 Vol.53 No.4
Debate over the association between food away from home and obesity has not been resolved yet. Some studies suggested that there are significant effects of different sources of foods on Body Mass Indices, and others refuted the result. Therefore we present new evidence how the male and female obesity are related with the different sources of foods. Our result shows that male obesity is strongly related with quantity of food at home (p < 0.01) and food away from home(p < 0.01) while none of the foods shows relationship with female obesity. Food away from home has significantly higher odd ratio of male obesity prevalence thatn that of food at home. We also found that more energy dense and larger quantity of food away from home cause male obesity. And this result suuports the expansion of nutrition labeling at restaurants.
위험 투자 수용도로 나타난 위험태도의 에너지 섭취량과 운동량에 대한 영향
박준형 ( Jun Hyung Park ),곽창근 ( Chang Keun Kwock ) 한국농업경제학회 2013 農業經濟硏究 Vol.54 No.4
The objective of the study is to test the statistical relationship between risk attitude and energy intake and expenditure related variables to infer the causal relationship between risk attitude and obesity. The results show that there were no significant differences in average calorie intake according to risk attitudes, however those who have higher degree of risk preference had higher calorie intake based on the pooled data and female data. And there were statistically significant differences in average fat intake in all data sets. And risk attitudes had significant impact on the exercise. Our result also shows that risk preference variables had positive relationship with the calorie intake and especially with fat intake and negative relationship with the exericsse. Therefore we could infer the causal relationship between risk attitudes and obesity.
김태균(Tae Kyun Kim),곽창근(Chang Keun Kwock),박성훈(Sung Hoon Park),김혜영(Hye Young Kim) 한국농업경제학회 2002 農業經濟硏究 Vol.43 No.1
The dichotomous-choice contingent valuation method is applied to measure consumers` value of HACCP at slaughter plants. Logit model and Turnbull distribution-free model are used to elicit the value. The results are shown that consumers are willing to pay 1,952.5∼82,139.9 Won/kg more for safer beef and 2,052.1∼2,406.6 Won/kg more for safer pork. And total benefit of important safety by HACCP is 1.5∼1.6 trillion Won/year. The results of this paper could be an important reference in the policy making for HACCP.