Jiseon Lee, Ji-Sook Kong, Hye Won Woo, Mi Kyung Kim
{"title":"Expansion of a food composition database for the food frequency questionnaire in the Korean Genome and Epidemiology Study (KoGES): a comprehensive database of dietary antioxidants and total antioxidant capacity.","authors":"Jiseon Lee, Ji-Sook Kong, Hye Won Woo, Mi Kyung Kim","doi":"10.4178/epih.e2024050","DOIUrl":"10.4178/epih.e2024050","url":null,"abstract":"<p><strong>Objectives: </strong>This study constructed a comprehensive database of dietary antioxidants and total antioxidant capacity (TAC) to facilitate the estimation of daily antioxidant intake using a food frequency questionnaire (FFQ). This database was applied to 3 general population-based cohorts (n=195,961) within the Korean Genome and Epidemiology Study (KoGES).</p><p><strong>Methods: </strong>To establish a database of 412 foods derived from recipes of a 106-item FFQ, we followed a pre-established standardized protocol. This included the selection of source databases, matching of foods, substitution of unmatched items with identical foods and input of values, and assessment of coverage. For each food, the TAC was estimated by summing the individual antioxidant capacities, calculated by multiplying the amount of each antioxidant by its vitamin C equivalent antioxidant capacity.</p><p><strong>Results: </strong>We identified 48 antioxidants across 5 classes: retinol, carotenoids, vitamins C and E, and flavonoids, with flavonoids divided into 7 subclasses. TAC values were then established. Coverage exceeded 90.0% for retinol, carotenoids, vitamin C, and vitamin E, while coverage for flavonoids was 60.9%. The daily intakes of 4 antioxidant classes-all but vitamin E-were higher in women than in men. The Ansan-Ansung cohort exhibited the highest levels of dietary TAC, vitamin E, and flavonoids, while the Health Examinees Study cohort displayed the highest values for retinol, carotenoids, and vitamin C.</p><p><strong>Conclusions: </strong>We customized a comprehensive antioxidant database for the KoGES FFQ, achieving relatively high coverage. This expansion could support research investigating the impact of dietary antioxidants on the development of chronic diseases targeted by the KoGES.</p>","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":" ","pages":"e2024050"},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140960269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analyzing the dynamics of complicated and uncomplicated appendicitis during the COVID-19 pandemic in Seoul, Korea: a multifaceted time series approach.","authors":"Kiook Baek, Chulyong Park","doi":"10.4178/epih.e2024081","DOIUrl":"10.4178/epih.e2024081","url":null,"abstract":"<p><strong>Objectives: </strong>This study investigated the impact of the coronavirus disease 2019 (COVID-19) pandemic and associated control strategies on the incidence of appendicitis in Seoul, using data from 2018 to 2020 from Korea's National Health Insurance.</p><p><strong>Methods: </strong>We analyzed records of total, complicated, and uncomplicated appendicitis cases, as well as the ratio of complicated to uncomplicated appendicitis, using natural spline and piecewise regression models to identify trends and breakpoints. Bayesian structural time-series (BSTS) models were used to evaluate the causal impact of social distancing on appendicitis incidences.</p><p><strong>Results: </strong>The spline regression analysis indicated decreasing trends in both total and uncomplicated appendicitis cases. Conversely, the incidence of complicated appendicitis and the ratio of complicated to uncomplicated cases increased. Breakpoints for a decline in uncomplicated appendicitis and a rise in the ratio occurred at 31 weeks in 2020 (95% confidence interval [CI], 23.2 to 38.8) and at 33.9 weeks (95% CI, 28.3 to 39.6), respectively. The BSTS model demonstrated a 7.8% reduction in total appendicitis cases (95% credible interval [CrI], -12.1 to -3.3). It also showed a 17.4% decrease in uncomplicated cases (95% CrI, -22.2 to -12.3) and increases of 12.8% (95% CrI, 4.9 to 22.0) in complicated cases and 39.0% (95% CrI, 27.0 to 53.3) in the ratio of complicated to uncomplicated appendicitis.</p><p><strong>Conclusions: </strong>The COVID-19 pandemic resulted in a decrease in both total and uncomplicated appendicitis cases, while the number of complicated cases increased. Reduced medical visits likely accounted for these changes. Strategies are needed to manage changes in disease pathophysiology resulting from altered healthcare utilization during health crises.</p>","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":" ","pages":"e2024081"},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11832239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142373276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qing Su, Cici Xi Chen Bauer, Robert Bergquist, Zhiguo Cao, Fenghua Gao, Zhijie Zhang, Yi Hu
{"title":"Unraveling trends in schistosomiasis: deep learning insights into national control programs in China.","authors":"Qing Su, Cici Xi Chen Bauer, Robert Bergquist, Zhiguo Cao, Fenghua Gao, Zhijie Zhang, Yi Hu","doi":"10.4178/epih.e2024039","DOIUrl":"10.4178/epih.e2024039","url":null,"abstract":"<p><strong>Objectives: </strong>To achieve the ambitious goal of eliminating schistosome infections, the Chinese government has implemented diverse control strategies. This study explored the progress of the 2 most recent national schistosomiasis control programs in an endemic area along the Yangtze River in China.</p><p><strong>Methods: </strong>We obtained village-level parasitological data from cross-sectional surveys combined with environmental data in Anhui Province, China from 1997 to 2015. A convolutional neural network (CNN) based on a hierarchical integro-difference equation (IDE) framework (i.e., CNN-IDE) was used to model spatio-temporal variations in schistosomiasis. Two traditional models were also constructed for comparison with 2 evaluation indicators: the mean-squared prediction error (MSPE) and continuous ranked probability score (CRPS).</p><p><strong>Results: </strong>The CNN-IDE model was the optimal model, with the lowest overall average MSPE of 0.04 and the CRPS of 0.19. From 1997 to 2011, the prevalence exhibited a notable trend: it increased steadily until peaking at 1.6 per 1,000 in 2005, then gradually declined, stabilizing at a lower rate of approximately 0.6 per 1,000 in 2006, and approaching zero by 2011. During this period, noticeable geographic disparities in schistosomiasis prevalence were observed; high-risk areas were initially dispersed, followed by contraction. Predictions for the period 2012 to 2015 demonstrated a consistent and uniform decrease.</p><p><strong>Conclusions: </strong>The proposed CNN-IDE model captured the intricate and evolving dynamics of schistosomiasis prevalence, offering a promising alternative for future risk modeling of the disease. The comprehensive strategy is expected to help diminish schistosomiasis infection, emphasizing the necessity to continue implementing this strategy.</p>","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":" ","pages":"e2024039"},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11369565/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140185971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tea consumption and risk of all-cause, cardiovascular disease, and cancer mortality: a meta-analysis of thirty-eight prospective cohort data sets.","authors":"Youngyo Kim, Youjin Je","doi":"10.4178/epih.e2024056","DOIUrl":"10.4178/epih.e2024056","url":null,"abstract":"<p><strong>Objectives: </strong>Tea consumption has been considered beneficial to human health because tea contains phytochemicals such as polyphenols and theaflavins. We conducted a systematic review and meta-analysis on the association between tea consumption and mortality from all causes, cardiovascular disease (CVD), and cancer to provide a quantitative assessment of current evidence.</p><p><strong>Methods: </strong>The PubMed, Web of Science, and Scopus databases were searched through April 2024 to identify eligible studies. Random effects models were used to combine study-specific effect estimates (ESs).</p><p><strong>Results: </strong>A total of 38 prospective cohort data sets (from 27 papers) with 1,956,549 participants were included in this meta-analysis. The pooled ESs of the highest versus lowest categories of tea consumption were 0.90 (95% confidence interval [CI], 0.86 to 0.95) for all-cause mortality, 0.86 (95% CI, 0.79 to 0.94) for CVD mortality, and 0.90 (95% CI, 0.78 to 1.03) for cancer mortality. In the dose-response analysis, a non-linear association was observed. The greatest risk reductions were observed for the consumption of 2.0 cup/day for all-cause mortality (ES, 0.91; 95% CI, 0.88 to 0.94) and 1.5 cup/day for cancer mortality (ES, 0.92; 95% CI, 0.89 to 0.96), whereas additional consumption did not show a further reduction in the risk of death. A plateau was observed for CVD mortality at moderate consumption levels (1.5-3.0 cup/day), but a sustained reduction in mortality risk was observed at higher intake levels.</p><p><strong>Conclusions: </strong>Moderate tea consumption (e.g., 1.5-2.0 cup/day) was associated with lower all-cause, CVD, and cancer mortality compared to no tea consumption. Further well-designed prospective studies are needed for a definitive conclusion.</p>","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":" ","pages":"e2024056"},"PeriodicalIF":2.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11573487/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141471707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jenny Moon, Yeeun Seo, Hyeok-Hee Lee, H. Lee, Fumie Kaneko, Sojung Shin, Eunji Kim, K. Yum, Young Dae Kim, Jang-Hyun Baek, Hyeon Chang Kim
{"title":"Incidence and case fatality rates of stroke in Korea, 2011-2020","authors":"Jenny Moon, Yeeun Seo, Hyeok-Hee Lee, H. Lee, Fumie Kaneko, Sojung Shin, Eunji Kim, K. Yum, Young Dae Kim, Jang-Hyun Baek, Hyeon Chang Kim","doi":"10.4178/epih.e2024003","DOIUrl":"https://doi.org/10.4178/epih.e2024003","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"4 44","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139156566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yeeun Seo, Jenny Moon, Hyeok-Hee Lee, Hyeon Chang Kim, Fumie Kaneko, Sojung Shin, Eunji Kim, Jang-Whan Bae, Byeong-Keuk Kim, Seung-Jun Lee, Min Kim, H. Lee
{"title":"Incidence and case fatality of acute myocardial infarction in Korea, 2011-2020","authors":"Yeeun Seo, Jenny Moon, Hyeok-Hee Lee, Hyeon Chang Kim, Fumie Kaneko, Sojung Shin, Eunji Kim, Jang-Whan Bae, Byeong-Keuk Kim, Seung-Jun Lee, Min Kim, H. Lee","doi":"10.4178/epih.e2024002","DOIUrl":"https://doi.org/10.4178/epih.e2024002","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"44 5","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139157209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Minsung Cho, Hyeok-Hee Lee, Jang-Hyun Baek, K. Yum, Min Kim, Jang-Whan Bae, Seung-Jun Lee, Byeong-Keuk Kim, Yung Ah Kim, JiHyun Yang, Dong Wook Kim, Young Dae Kim, Haeyong Pak, Kyung Won Kim, Sohee Park, Seng Chan You, H. Lee, Hyeon Chang Kim
{"title":"Identification of acute myocardial infarction and stroke events using the National Health Insurance Service Database","authors":"Minsung Cho, Hyeok-Hee Lee, Jang-Hyun Baek, K. Yum, Min Kim, Jang-Whan Bae, Seung-Jun Lee, Byeong-Keuk Kim, Yung Ah Kim, JiHyun Yang, Dong Wook Kim, Young Dae Kim, Haeyong Pak, Kyung Won Kim, Sohee Park, Seng Chan You, H. Lee, Hyeon Chang Kim","doi":"10.4178/epih.e2024001","DOIUrl":"https://doi.org/10.4178/epih.e2024001","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"104 5","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139157158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Folate, vitamin B12, and homocysteine status in the Korean population: data from the 2013–2015 Korea National Health and Nutrition Examination Survey","authors":"Sihan Song, Bo Mi Song, Hyun-Young Park","doi":"10.4178/epih.e2024007","DOIUrl":"https://doi.org/10.4178/epih.e2024007","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"214 3","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139184056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Decomposition of socioeconomic inequalities in glaucoma knowledge in Taiwan","authors":"Chiun-Ho Hou, Christy Pu","doi":"10.4178/epih.e2024004","DOIUrl":"https://doi.org/10.4178/epih.e2024004","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"246 ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138984813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
You-Jung Choi, Won Yung Wi, Geum Joon Cho, Jin Oh Na
{"title":"Association between cardiac arrhythmia before pregnancy and gestational diabetes: a nationwide population-based study in Korea","authors":"You-Jung Choi, Won Yung Wi, Geum Joon Cho, Jin Oh Na","doi":"10.4178/epih.e2023103","DOIUrl":"https://doi.org/10.4178/epih.e2023103","url":null,"abstract":"","PeriodicalId":48543,"journal":{"name":"Epidemiology and Health","volume":"2 8","pages":""},"PeriodicalIF":3.8,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138603407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}