- Effects of Long-term Fluoride in Drinking Water on Risks of Hip Fracture of the Elderly: An Ecologic Study Based on Database of Hospitalization Episodes.
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Eun Young Park, Seung Sik Hwang, Jai Yong Kim, Soo Hun Cho
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J Prev Med Public Health. 2008;41(3):147-152.
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DOI: https://doi.org/10.3961/jpmph.2008.41.3.147
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Fluoridation of drinking water is known to decrease dental caries, particularly in children. However, the effects of fluoridated water on bone over several decades are still in controversy. To assess the risk of hip fracture related to water fluoridation, we evaluated the hip fracture-related hospitalizations of the elderly between a fluoridated city and non-fluoridated cities in Korea. METHODS: Cheongju as a fluoridated area and Chungju, Chuncheon, Suwon, Wonju as non-fluoridated areas were chosen for the study. We established a database of hip fracture hospitalization episode based on the claims data submitted to the Health Insurance Review Agency from January 1995 to December 2002. The hip fracture hospitalization episodes that satisfied the conditions were those that occurred in patients over 65 years old, the injuries had a hip fracture code (ICD-9 820, ICD-10 S72) and the patients were hospitalized for at least 7days. A total of 80,558 cases of hip fracture hospitalization episodes were analyzed. RESULTS: The admission rates for hip fracture increased with the age of the men and women in both a fluoridated city and the non-fluoridated cities (p<0.01). The relative risk of hip fracture increased significantly both for men and women as their age increased. However, any difference in the hip fracture admission rates was not consistently observed between the fluoridated city and the nonfluoridated cities. CONCLUSIONS: We cannot conclude that fluoridation of drinking water increases the risk of hip fracture in the elderly.
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- The Association between Community Water Fluoridation and Bone Diseases: A Natural Experiment in Cheongju, Korea
Naae Lee, Sungchan Kang, Woojoo Lee, Seung-sik Hwang International Journal of Environmental Research and Public Health.2020; 17(24): 9170. CrossRef - Community water fluoridation and health outcomes in England: a cross‐sectional study
Nicholas Young, John Newton, John Morris, Joan Morris, John Langford, Jonathan Iloya, Diane Edwards, Semina Makhani, Julia Verne Community Dentistry and Oral Epidemiology.2015; 43(6): 550. CrossRef - Exposure to Fluoride in Drinking Water and Hip Fracture Risk: A Meta-Analysis of Observational Studies
Xin-Hai Yin, Guang-Lei Huang, Du-Ren Lin, Cheng-Cheng Wan, Ya-Dong Wang, Ju-Kun Song, Ping Xu, Yi-Hsiang Hsu PLOS ONE.2015; 10(5): e0126488. CrossRef - Effects of Life-long Fluoride Intake on Bone Measures of Adolescents
S.M. Levy, J.J. Warren, K. Phipps, E. Letuchy, B. Broffitt, J. Eichenberger-Gilmore, T.L. Burns, G. Kavand, K.F. Janz, J.C. Torner, C.A. Pauley Journal of Dental Research.2014; 93(4): 353. CrossRef
- Trend of Socioeconomic Inequality in Participation in Cervical Cancer Screening among Korean Women.
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Soong Nang Jang, Sung il Cho, Seung Sik Hwang, Kyunghee Jung-Choi, So Young Im, Ji Ae Lee, Minah Kang Kim
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J Prev Med Public Health. 2007;40(6):505-511.
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DOI: https://doi.org/10.3961/jpmph.2007.40.6.505
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5,627
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While cervical cancer is one of the leading cancers among women worldwide, there are a number of effective early detection tests available. However, the participation rates in cervical cancer screening among Korean women remain low. After the nationwide efforts in 1988 and thereafter to encourage participation in cervical cancer screening, few studies have investigated the effects of socioeconomic inequality on participation in cervical cancer screening. The purpose of this study was to investigate 1) the level of socioeconomic disparities in receiving cervical cancer screening by age group and 2) if there was an improvement in reducing these disparities between 1995 and 2001. METHODS: Using data from the Korean National Health Status, Health Behavior and Belief Survey in 1995, and the Korean National Health and Nutrition Examination Surveys from 1998 and 2001 (sample sizes of 2,297, 3,738, and 3,283), age-standardized participation rates were calculated according to education level, equivalized household income, and job status. Odds ratios and the relative inequality index (RII) were also calculated after controlling for age. RESULTS: Women with lower education levels were less likely to attend the screening test, and the disparities by education level were most pronounced among women aged 60 years and older. The RIIs among women 60 years and older were 3.64, 4.46, and 8.64 in 1995, 1998, and 2001, respectively. Higher rates of participation were reported among those in the highest income category, which was more notable among the middle aged women (40s and 50s). An inconsistent trend in the rate of participation in cervical cancer screening by occupational level was found. CONCLUSIONS: Indicators of socioeconomic position seem to have varying impacts on the inequalities in the rates of participation in cervical cancer screening according to age group. These results demonstrate the need for more aggressive and age-based interventions and policy programs to eliminate the remaining inequalities.
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- Factors Influencing the of Middle-Aged Men the NCSP(National Cancer Screening Program)
Geum-Ja Park, Kyoung-Min Lim, Sook-Nam Kim The Korean Journal of Health Service Management.2016; 10(3): 51. CrossRef - Educational Inequality in Female Cancer Mortality in Korea
Mi-Hyun Kim, Kyunghee Jung-Choi, Hyoeun Kim, Yun-Mi Song Journal of Korean Medical Science.2015; 30(1): 1. CrossRef - Determinants of gastric cancer screening attendance in Korea: a multi-level analysis
Yunryong Chang, Belong Cho, Ki Young Son, Dong Wook Shin, Hosung Shin, Hyung-Kook Yang, Aesun Shin, Keun-Young Yoo BMC Cancer.2015;[Epub] CrossRef - The Relationship between Socioeconomic Status and Gastric Cancer Screening in the Population of a Metropolitan Area
Hyun-Suk Oh, Sun A Kim, Sun-Seog Kweon, Jung-Ae Rhee, So-Yeon Ryu, Min-Ho Shin Journal of agricultural medicine and community health.2013; 38(3): 174. CrossRef - Equity in health care: current situation in South Korea
Hong-Jun Cho Journal of the Korean Medical Association.2013; 56(3): 184. CrossRef - Trends in Cervical Cancer Mortality by Socioeconomic Status in Korean Women between 1998 and 2009
Mi-Hyun Kim, Yun-Mi Song, Bo-Kyoung Kim, Sung-Min Park, Gwang Pyo Ko Korean Journal of Family Medicine.2013; 34(4): 258. CrossRef - Socioeconomic disparity in cervical cancer screening among Korean women: 1998–2010
Minjee Lee, Eun-Cheol Park, Hoo-Sun Chang, Jeoung A Kwon, Ki Bong Yoo, Tae Hyun Kim BMC Public Health.2013;[Epub] CrossRef - Predictors Associated with Repeated Papanicolaou Smear for Cervical Cancer Screening
Eun-Joo Lee, Jeong-Sook Park Asian Oncology Nursing.2013; 13(1): 28. CrossRef - Regional Factors Associated with Participation in the National Health Screening Program: A Multilevel Analysis Using National Data
Hyung-Kook Yang, Dong-Wook Shin, Seung-Sik Hwang, Juwhan Oh, Be-Long Cho Journal of Korean Medical Science.2013; 28(3): 348. CrossRef - Social Determinants of Smoking Behavior: The Healthy Twin Study, Korea
Youn Sik Kim, Hansoo Ko, Changgyo Yoon, Dong-Hun Lee, Joohon Sung Journal of Preventive Medicine and Public Health.2012; 45(1): 29. CrossRef - Factors Associated with the Use of Gastric Cancer Screening Services in Korea: The Fourth Korea National Health and Nutrition Examination Survey 2008 (KNHANES IV)
Ji-Yeon Shin, Duk-Hee Lee Asian Pacific Journal of Cancer Prevention.2012; 13(8): 3773. CrossRef - Human papillomavirus 16/18 AS04-adjuvanted cervical cancer vaccine: immunogenicity and safety in 15-25 years old healthy Korean women
Seung Cheol Kim, Yong Sang Song, Young-Tae Kim, Young Tak Kim, Ki-Sung Ryu, Bhavyashree Gunapalaiah, Dan Bi, Hans L Bock, Jong-Sup Park Journal of Gynecologic Oncology.2011; 22(2): 67. CrossRef - Factors associated with use of gastric cancer screening services in Korea
Young Min Kwon, Hyung Taek Lim, Kiheon Lee, Be Long Cho, Min Sun Park, Ki Young Son, Sang Min Park World Journal of Gastroenterology.2009; 15(29): 3653. CrossRef - Précarité sociale, cancer et vulnérabilité psychique, lien direct ou indirect ?
A. Fernandez, G. Noël Psycho-Oncologie.2008; 2(4): 250. CrossRef - Socioeconomic Disparities in Breast Cancer Screening among US Women: Trends from 2000 to 2005
Jaeyoung Kim, Soong-Nang Jang Journal of Preventive Medicine and Public Health.2008; 41(3): 186. CrossRef
- Spatial Analysis of Air Pollution and Lung Cancer Incidence and Mortality in 7 Metropolitan Cities in Korea. .
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Seung Sik Hwang, Jin Hee Lee, Gyu Won Jung, Jeong Hun Lim, Ho Jang Kwon
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J Prev Med Public Health. 2007;40(3):233-238.
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DOI: https://doi.org/10.3961/jpmph.2007.40.3.233
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We aimed to assess the relationship between long-term exposure to air pollution and lung cancer in the Republic of Korea. METHODS: Using the Annual Report of Ambient Air Quality in Korea, Annual Report of National Cancer Registration, and Annual Report on the Cause of Death Statistics, we calculated the standardized mortality ratio (SMR) and standardized incidence ratio (SIR) of lung cancer for both sexes in 74 areas from 7 Korean metropolitan cities. We performed random intercept, Poisson regression using empirical Bayes method. RESULTS: Both SMRs and SIRs in the 7 metropolitan cities were higher in women than in men. Mean SIRs were 99.0 for males and 107.0 for females. The association between PM(10) and lung cancer risk differed according to gender. PM(10) was not associated with the risk of lung cancer in males, but both incidence and mortality of lung cancer were positively associated with PM(10) in females. The estimated percentage increases in the rate of female lung cancer mortality and incidence were 27% and 65% at the highest PM(10) category (> or = 70 microgram/m(3)), compared to the referent category (<50 microgram/m(3)). CONCLUSIONS: Long-term exposure to PM(10) was significantly associated with female lung cancer incidence in 7 Korean metropolitan cities. Further study is undergoing to estimate the relative risk of PM(10) using multi-level analysis for controlling individual and regional confounders such as smoking and socioeconomic position.
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- Lung Cancer in Women: The Past, Present, and Future
Narjust Florez, Lauren Kiel, Ivy Riano, Shruti Patel, Kathryn DeCarli, Natasha Dhawan, Ivy Franco, Ashley Odai-Afotey, Kelly Meza, Nishwant Swami, Jyoti Patel, Lecia V. Sequist Clinical Lung Cancer.2024; 25(1): 1. CrossRef - Experimental investigation for the decisive role of vehicles in the air pollution of arak city in Iran and presenting the related solutions to reduce the air pollution
Seyyed Alireza MOSTAFAVI, Hamed SAFIKHANI, Hasan KÖTEN, Yasin KARAGOZ Journal of Thermal Engineering.2023; 9(5): 1208. CrossRef - Review of Epidemiological Research and Perspectives for Future Environmental Health Progress in Korea
Kyoung-Mu Lee, Moon-Young Park Journal of Environmental Health Sciences.2022; 48(3): 138. CrossRef - The association between outdoor air pollution and lung cancer risk in seven eastern metropolises of China: Trends in 2006-2014 and sex differences
Wei Wang, Liu Meng, Zheyu Hu, Xia Yuan, Weisi Zeng, Kunlun Li, Hanjia Luo, Min Tang, Xiao Zhou, Xiaoqiong Tian, Chenhui Luo, Yi He, Shuo Yang Frontiers in Oncology.2022;[Epub] CrossRef - Experimental investigation for the decisive role of vehicles in the air pollution of arak city in Iran and presenting the related solutions to reduce the air pollution
Seyyed Alireza AHMADİ, Hamed SAFIKHANI, Hasan KÖTEN, Yasin KARAGÖZ Journal of Thermal Engineering.2021; : 1208. CrossRef - Epidemiology of Lung Cancer in Korea: Recent Trends
Ji Young Park, Seung Hun Jang Tuberculosis and Respiratory Diseases.2016; 79(2): 58. CrossRef - The Difference in Clinical Presentations between Healthcare-Associated and Community-Acquired Pneumonia in University-Affiliated Hospital in Korea
Eun Ju Jeon, Sung-Gun Cho, Jong Wook Shin, Jae Yeol Kim, In Won Park, Byoung Whui Choi, Jae Chol Choi Yonsei Medical Journal.2011; 52(2): 282. CrossRef - Non-Hodgkin Lymphoma (NHL) linkage with residence near heavy roads—A case study from Haifa Bay, Israel
Shlomit Paz, Shai Linn, Boris A. Portnov, Amir Lazimi, Boris Futerman, Micha Barchana Health & Place.2009; 15(2): 636. CrossRef - Histopathologic Effects of Sulfur Dioxide in Mouse Liver Following the Chronic and Acute Exposure
F. Rajaii, A.A. Khaki, A. Khaki, F. Khorshid, N. Borhani, H. Jfraii, H. Haghdust, N. Gheibi Journal of Biological Sciences.2008; 8(7): 1241. CrossRef
- Effects of Personal Exposure to Nitrogen Dioxide on Peak Expiratory Flow in Asthmatic Patients.
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Ho Jang Kwon, Sang Gyu Lee, Young Koo Jee, Sang Rok Lee, Seung Sik Hwang
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J Prev Med Public Health. 2007;40(1):59-63.
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DOI: https://doi.org/10.3961/jpmph.2007.40.1.59
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5,342
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40
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Nitrogen dioxide (NO2) has been inconsistently associated with gradual decreases in lung function. Here, we studied the effects of NO2 exposure in asthmatics by examining the association between changes in lung function and concentrations of NO2 which were personally measured. METHODS: Peak expiratory flow (PEF) and daily personal exposures to NO2 were recorded on 28 patients with asthma (confirmed by methacholine provocation test) over 4 weeks. We used generalized estimating equations to assess the relationship between personal NO2 exposure and PEF, adjusting for potential confounders such as age, gender, outdoor particulate matter, temperature, humidity, and exposure to environmental tobacco smoke. RESULTS: The personal NO2 exposures were higher than the corresponding ambient levels. The mean personal: ambient ratio for NO2 was 1.48. The personal NO2 exposures were not associated with the morning PEF, evening PEF, or the diurnal PEF variability. However, environmental tobacco smoke was negatively associated with both the morning and evening PEF. CONCLUSIONS: Among the asthmatic adults who participated in this study, we found no apparent impact of personal NO2 exposures on the peak expiratory flow.
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- The statistical evaluation and comparison of ADMS-Urban model for the prediction of nitrogen dioxide with air quality monitoring network
Audrius Dėdelė, Auksė Miškinytė Environmental Monitoring and Assessment.2015;[Epub] CrossRef - Acute effects of air pollution on peak expiratory flow rates and symptoms among asthmatic patients in Chiang Mai, Thailand
Phongtape Wiwatanadate, Chalerm Liwsrisakun International Journal of Hygiene and Environmental Health.2011; 214(3): 251. CrossRef - The respiratory health effects of nitrogen dioxide in children with asthma
J. Gillespie-Bennett, N. Pierse, K. Wickens, J. Crane, P. Howden-Chapman European Respiratory Journal.2011; 38(2): 303. CrossRef
- Fasting Serum Glucose and Subsequent Liver Cancer Risk in a Korean Prospective Cohort.
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Jin Gwack, Seung Sik Hwang, Kwang Pil Ko, Jae Kwan Jun, Sue Kyung Park, Soung Hoon Chang, Hai Rim Shin, Keun Young Yoo
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J Prev Med Public Health. 2007;40(1):23-28.
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DOI: https://doi.org/10.3961/jpmph.2007.40.1.23
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5,907
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Chronic infections with hepatitis B or C and alcoholic cirrhosis are three well-known major risk factors for liver cancer. Diabetes has also been suggested as a potential risk factor. However, the findings of previous studies have been controversial in terms of the causal association. Therefore, the aim of this study was to evaluate the association between serum glucose levels and liver cancer development in a Korean cohort. METHODS: Thirty-six liver cancer cases were identified in the Korean Multi-Center Cancer Cohort (KMCC). Baseline information on lifestyle characteristics was obtained via questionnaire. Serum glucose levels were measured at the study's enrollment. Relative risks (RRs) were estimated using a Cox proportional hazard regression model. The adjusting variables included age, gender, smoking history, alcohol consumption, body mass index, and hepatitis B surface antigen (HBsAg) seropositivity. RESULTS: The RRs of serum glucose for liver caner were 1.20 (95% CI=0.48-2.99) for the category of 100 to 125 mg/dL of serum glucose and 2.77 (95% CI=1.24-6.18) for the >126 mg/dL serum glucose category (both compared to the <100 mg/dL category). In a subgroup analysis, the RR of serum glucose among those who were both HBsAg seronegative and non-drinkers was 4.46 (95% CI=1.09-18.28) for those with glucose levels >100 mg/dL. CONCLUSIONS: The results of this study suggest that a high level of serum glucose can increase liver cancer risk independently of hepatitis infection and drinking history in Koreans. This study implies that glucose intolerance may be an independent risk factor for liver cancer.
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Xin Ding, Li Deng, Chuan Cen, Yuyu Yang Endocrine Research.2024; 49(4): 186. CrossRef - Associations between serum glucose, insulin, insulin resistance and the risk of incident primary liver cancer or chronic liver disease mortality: a nested case–control study
Jian Yin, Neal D. Freedman, Yiwei Liu, Sanford M. Dawsey, Huan Yang, Philip R. Taylor, Liangyu Yin, Bin Liu, Jianfeng Cui, Jinhu Fan, Wen Chen, Youlin Qiao, Christian C. Abnet British Journal of Cancer.2023; 128(2): 275. CrossRef - Environmental contributions to gastrointestinal and liver cancer in the Asia–Pacific region
Kwang‐Pil Ko, Aesun Shin, Sooyoung Cho, Sue K Park, Keun‐Young Yoo Journal of Gastroenterology and Hepatology.2018; 33(1): 111. CrossRef - Recognition criteria for occupational cancers in relation to hepatitis B virus and hepatitis C virus in Korea
Hogil Kim, Yun Kyung Chung, Inah Kim Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef - The association between fasting blood glucose and the risk of primary liver cancer in Chinese males: a population-based prospective study
Xiaoshuang Feng, Gang Wang, Ni Li, Zhangyan Lyu, Shuohua Chen, Luopei Wei, Yuheng Chen, Shuanghua Xie, Wenjing Yang, Jian Yin, Hong Cui, Hongda Chen, Jiansong Ren, Jufang Shi, Shouling Wu, Min Dai, Jie He British Journal of Cancer.2017; 117(9): 1405. CrossRef - Fasting glucose and risk of colorectal cancer in the Korean Multi-center Cancer Cohort
Hyeree Park, Sooyoung Cho, Hyeongtaek Woo, Sue K. Park, Hai-Rim Shin, Soung-Hoon Chang, Keun-Young Yoo, Aesun Shin, Cheng Hu PLOS ONE.2017; 12(11): e0188465. CrossRef - Blood glucose concentration and risk of liver cancer: systematic review and meta-analysis of prospective studies
Hedong Han, Tianyi Zhang, Zhichao Jin, Honglei Guo, Xin Wei, Yuzhou Liu, Qi Chen, Jia He Oncotarget.2017; 8(30): 50164. CrossRef - European Code against Cancer 4th Edition: Alcohol drinking and cancer
Chiara Scoccianti, Michele Cecchini, Annie S. Anderson, Franco Berrino, Marie-Christine Boutron-Ruault, Carolina Espina, Timothy J. Key, Michael Leitzmann, Teresa Norat, Hilary Powers, Martin Wiseman, Isabelle Romieu Cancer Epidemiology.2016; 45: 181. CrossRef - European Code against Cancer 4th Edition: Alcohol drinking and cancer
Chiara Scoccianti, Michele Cecchini, Annie S. Anderson, Franco Berrino, Marie-Christine Boutron-Ruault, Carolina Espina, Timothy J. Key, Michael Leitzmann, Teresa Norat, Hilary Powers, Martin Wiseman, Isabelle Romieu Cancer Epidemiology.2015; 39: S67. CrossRef - Cohort Profile: Community-based prospective cohort from the National Cancer Center, Korea
Jin-Kyoung Oh, Min Kyung Lim, E Hwa Yun, Min-Ho Choi, Sung-Tae Hong, Soung-Hoon Chang, Sue Kyung Park, Sung-Il Cho, Dong-Hyun Kim, Keun-Young Yoo, Hai-Rim Shin International Journal of Epidemiology.2015; : dyv302. CrossRef - Attributable fraction of alcohol consumption on cancer using population-based nationwide cancer incidence and mortality data in the Republic of Korea
Sohee Park, Hai-Rim Shin, Boram Lee, Aesun Shin, Kyu-Won Jung, Duk-Hee Lee, Sun Ha Jee, Sung-Il Cho, Sue Kyung Park, Mathieu Boniol, Paolo Boffetta, Elisabete Weiderpass BMC Cancer.2014;[Epub] CrossRef - Prediabetes and the risk of cancer: a meta-analysis
Yi Huang, Xiaoyan Cai, Miaozhen Qiu, Peisong Chen, Hongfeng Tang, Yunzhao Hu, Yuli Huang Diabetologia.2014; 57(11): 2261. CrossRef - Serum glucose and risk of cancer: a meta-analysis
Danielle J Crawley, Lars Holmberg, Jennifer C Melvin, Massimo Loda, Simon Chowdhury, Sarah M Rudman, Mieke Van Hemelrijck BMC Cancer.2014;[Epub] CrossRef - Recent Evidence on Alcohol and Cancer Epidemiology
Chiara Scoccianti, Kurt Straif, Isabelle Romieu Future Oncology.2013; 9(9): 1315. CrossRef - Multiplicative synergistic risk of hepatocellular carcinoma development among hepatitis B and C co-infected subjects in HBV endemic area: a community-based cohort study
Jin-Kyoung Oh, Hai-Rim Shin, Min Kyung Lim, Heeyoun Cho, Dong-Il Kim, Youngmee Jee, Haesun Yun, Keun-Young Yoo BMC Cancer.2012;[Epub] CrossRef - Coinfection of hepatitis B and C viruses and risk of hepatocellular carcinoma: Systematic review and meta‐analysis
Lisa Y. Cho, Jae Jeong Yang, Kwang‐Pil Ko, Boyoung Park, Aesun Shin, Min Kyung Lim, Jin‐Kyoung Oh, Sohee Park, Yoon Jun Kim, Hai‐Rim Shin, Keun‐Young Yoo, Sue K. Park International Journal of Cancer.2011; 128(1): 176. CrossRef
- Changes in Smoking Status among Current Male Smokers and Factors Associated with Smoking Cessation Success.
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Jin Seok Lee, Yangjung Kim, Won Nyon Kim, Seung Sik Hwang, Yong Ik Kim
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J Prev Med Public Health. 2006;39(4):339-345.
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This study (a) investigated the rate of smoking cessation sucess for current male smokers, and (b) identified the factors that are associated with the smoking cessation success. METHODS: Data were collected from four follow-up surveys of 700 current male smokers. The follow-up period was from December 2004 to June 2005. Success of smoking cessation was defined as "maintaining a smoking cessation status for six months". The demographic and socioeconomic factors included age, the household income level and, occupation. The smoking behavioral factors were composed of the amount of smoking, the duration of smoking, the age of initiating smoking, the willingness to quit, the frequency of trying to quit smoking and the smoker`s attitude toward the anti-smoking policies. RESULTS: The proportion of quitters increased from 6.6% to 11.0% during the follow-up period. The majority of quitters answered that the increase of tobacco price acted as cue to achieve smoking cessation. The agestandardized experience and success rate of smoking cessation were 16.0% (95% C.I.=13.0% to, 19.0%) and 4.5% (95% C.I.=3.0% to, 6.0%), respectively. On the multivariate analysis, success for smoking cessation was associated with the willingness to quit smoking, low prior tobacco consumption, and agreement on the tobacco price increase. CONCLUSIONS: The results of this study suggest that the recent anti-smoking policies provided an opportunity to quit smoking. The results of this study can be used to establish evidence for further anti-smoking policies.
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- Public Perceptions of the Risk of Asian Dust Storms in Seoul and its Metropolitan Area.
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Hyoung June Im, Ho Jang Kwon, Mina Ha, Sang Gyu Lee, Seung Sik Hwang, Eun Hee Ha, Soo Hun Cho
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J Prev Med Public Health. 2006;39(3):205-212.
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In spite of the recent increased concern for Asian dust storms, there are few studies concerning how dangerous the general public recognizes these dust storms to be. This study examined the public's perceptions of the risk of the Asian dust storms and also the source of the information concerning the risk. METHODS: A telephone interview survey using a standardized questionnaire was done for the adults living in Seoul and its metropolitan area from May 15th, 2003 to May 16th, 2003. The contents of the questionnaire were the sociodemographic characteristics, the perceptions of risk to the Asian dust storms, and the coping strategy of the study participants. RESULTS: The study participants get their information on Asian dust storms mainly from TV newscasts and they have a good knowledge of them. They regard it as one of the most dangerous health risks, along with dioxin. They think that it is associated with allergic rhinitis, conjunctivitis and bronchial asthma, etc. Of the 500 study participants, 201(40.2%) persons suffered bodily discomforts during the Asian dust storm period. CONCLUSIONS: Although there are uncertainties about the health risks of Asian dust storms, the public thinks these dust storms are very dangerous to health in many ways. This negative perception will not disappear easily. To fill the gap of the public's perceptions of the risk and the objective evidence of its health effects, more studies about its health effects and the methods to reduce exposure are required.
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Summary
- Effects of the Severe Asian Dust Events on Daily Mortality during the Spring of 2002, in Seoul, Korea.
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Seung Sik Hwang, Soo Hun Cho, Ho Jang Kwon
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J Prev Med Public Health. 2005;38(2):197-202.
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During the spring of 2002, an unprecedented 2 Asian dust events were experienced in Seoul. On those days, the PM10 was surprisingly increased, with daily PM10 averages exceeding 600 and 700 microgram/m3 on March 21 and April 8, respectively. Accordingly, public concern relating to the possible adverse health effects of these dust events has increased, as the dust arrives in Korea after having flown over heavily industrialized eastern China. We investigated the effects of these Asian dust events on the mortality during the spring of 2002, in Seoul, Korea. METHODS: The total number of deaths per day during the spring of 2002 in Seoul was extracted form the mortality records of the National Statistical Office. We constructed 14 Asian dust days (March 17-March 23, April 7-April 13) and 42 control days during the 56 day study period (March 3-April 27) with respect to the days of the week. The daily average numbers of deaths between the Asian dust and control days were analyzed, with adjustment for meteorological variables and pollutants. RESULTS: The daily PM10 average during the Asian dust weeks was 295.2 microgram/m3, which was significantly higher than during the control days (P< 0.001). The daily average number of deaths from all causes during the Asian dust days was 109.9; 65.6 for those aged 65 years and older, 6.7 from respiratory causes (J00-J99) and 25.6 from cardiovascular causes (I00-I99). The estimated percentage increases in the rate of deaths were 2.5% (95% CI=-5.0- 10.6) from all causes; 2.2% (95% CI=-7.4-12.8) for those aged 65 years and older, and 36.5% (95% CI=0.7-85.0) from respiratory causes, but with a 6.1% (95% CI=-19.7- 9.7) decrease in deaths from cardiovascular causes. CONCLUSION: The Asian dust events were found to be weakly associated with the risk of death from all causes. However, the association between dust events and deaths from respiratory causes was stronger. This suggests that persons with advanced respiratory diseases may be susceptible to Asian dust events.
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