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Journal of Epidemiology

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https://www.readbyqxmd.com/read/28457602/infectious-diarrheal-disease-caused-by-contaminated-well-water-in%C3%A2-chinese-schools-a-systematic-review-and-meta-analysis
#1
Zheyuan Ding, Yujia Zhai, Chen Wu, Haocheng Wu, Qinbao Lu, Junfen Lin, Fan He
BACKGROUND: In China, waterborne outbreaks of infectious diarrheal disease mainly occur in schools, and contaminated well water is a common source of pathogens. The objective of this review was to present the attack rates, durations of outbreak, pathogens of infectious diarrheal disease, and sanitary conditions of wells in primary and secondary schools in China, and to analyze risk factors and susceptibility of school children. METHODS: Relevant articles and reports were identified by searching PubMed, Web of Science, China National Knowledge Infrastructure, China Information System for Disease Control and Prevention, and the Chinese Field Epidemiology Training Program...
April 27, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28434837/metabolic-syndrome-components-and-diabetes-incidence-according-to-the-presence-or-absence-of-impaired-fasting-glucose-the-japan-epidemiology-collaboration-on-occupational-health-study
#2
Kayo Kurotani, Toshiaki Miyamoto, Takeshi Kochi, Masafumi Eguchi, Teppei Imai, Akiko Nishihara, Kentaro Tomita, Akihiko Uehara, Makoto Yamamoto, Taizo Murakami, Chii Shimizu, Makiko Shimizu, Satsue Nagahama, Tohru Nakagawa, Toru Honda, Shuichiro Yamamoto, Hiroko Okazaki, Naoko Sasaki, Ai Hori, Chihiro Nishiura, Keisuke Kuwahara, Reiko Kuroda, Shamima Akter, Ikuko Kashino, Akiko Nanri, Isamu Kabe, Tetsuya Mizoue, Naoki Kunugita, Seitaro Dohi
BACKGROUND: We prospectively examined the association of diabetes risk with the number of metabolic abnormalities, as well as their combinations, according to the presence or absence of impaired fasting glucose (IFG) in a large-scale Japanese working population. METHODS: Participants included 55,271 workers at 11 companies who received periodic health check-ups between 2008 and 2013. The metabolic syndrome (MetS) components were defined using the 2009 Joint Interim Statement...
April 20, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28427831/prevalence-of-abdominal-obesity-among-chinese-adults-in-2011
#3
Pei Du, Hui-Jun Wang, Bing Zhang, Su-Fen Qi, Ying-Jun Mi, Dian-Wu Liu, Qing-Bao Tian
BACKGROUND: The prevalence of abdominal obesity is increasing dramatically worldwide. This study aimed to estimate the current prevalence of abdominal obesity from the 2011 China Health and Nutrition Survey (CHNS) and compare the data with other countries. METHODS: Waist circumference (WC) of 12,326 Chinese adults (aged 20 years or older) from the 2011 CHNS were analyzed by age group and region. Abdominal obesity was defined as a WC ≥90 cm for men and WC ≥80 cm for women based on World Health Organization (WHO) recommendations for Asians...
April 17, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28420559/recent-trends-in-the-prevalence-of-underweight-overweight-and-obesity-in-korean-adults-the-korean-national-health-and-nutrition-examination-survey-from-1998-to-2014
#4
Hyun-Young Shin, Hee-Taik Kang
BACKGROUND: Recent obesity studies have reported that the rising trend in obesity has stabilized or leveled off. Our study aimed to update estimates of the recent prevalence trend in obesity based on the Korean National Health and Nutrition Examination Survey 1998-2014. METHODS: A total of 66,663 subjects were included and defined as being either underweight, overweight, or obese, in accordance with a BMI of 18.5 kg/m(2) or lower, 23 kg/m(2) or higher, and 25 kg/m(2) or higher, respectively...
April 15, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28416172/epidemiology-of-ebolavirus-disease-evd-and-occupational-evd-in-health-care-workers-in-sub-saharan-africa-need-for-strengthened-public-health-preparedness
#5
REVIEW
Nlandu Roger Ngatu, Ntumba Jean-Marie Kayembe, Elayne Kornblatt Phillips, Joa Okech-Ojony, Masika Patou-Musumari, Mukunda Gaspard-Kibukusa, Ndona Madone-Mandina, Mabasi Godefroid-Mayala, Lubogo Mutaawe, Casimir Manzengo, Dimosi Roger-Wumba, Sayumi Nojima
Ebolavirus disease (EVD) is a severe contagious disease in humans, and health care workers (HCW) are at risk of infection when caring for EVD patients. This paper highlights the epidemiologic profile of EVD and its impact on the health care workforce in Africa. A documentary study was conducted which consisted of a review of available literature regarding the epidemiology of EVD, occupational EVD (OEVD), and work safety issues in Sub-Saharan Africa; the literature findings are enriched by field experiences from the authors...
April 13, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28400079/smoking-and-subsequent-risk-of-leukemia-in-japan-the-japan-public-health-center-based-prospective-study
#6
Tomotaka Ugai, Keitaro Matsuo, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Shizuka Sasazuki, Manami Inoue, Shoichiro Tsugane
BACKGROUND: Cigarette smoking has been reported to be associated with an increased risk of leukemia. Most epidemiological evidence on the association between cigarette smoking and leukemia risk is from studies conducted in Western populations, however, and evidence from Asian populations is scarce. METHODS: We conducted a large-scale population-based cohort study of 96,992 Japanese subjects (46,493 men and 50,499 women; age 40-69 years at baseline) with an average 18...
April 8, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28392196/nationwide-epidemiological-survey-of-leber-hereditary-optic-neuropathy-in-japan
#7
Kaori Ueda, Yuki Morizane, Fumio Shiraga, Keigo Shikishima, Hitoshi Ishikawa, Masato Wakakura, Makoto Nakamura
BACKGROUND: Leber hereditary optic neuropathy (LHON) is a maternally inherited optic neuropathy that leads to central loss of vision, predominantly in young males. Most LHON cases have one of three primary point mutations in mitochondrial DNA (mtDNA). The annual incidence and prevalence of LHON in Japan are not known. Thus, we estimated the annual incidence of molecularly confirmed LHON in Japan during 2014. METHODS: Sequential questionnaires were sent to 1397 facilities, which included all of the university hospitals in Japan, and they were certified by either the Japanese Ophthalmological Society or the Japanese Neuro-Ophthalmological Society...
April 6, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28390793/risk-of-stroke-and-heart-failure-attributable-to-atrial-fibrillation-in-middle-aged-and-elderly-people-results-from-a-five-year-prospective-cohort-study-of-japanese-community-dwellers
#8
Masaki Ohsawa, Tomonori Okamura, Kozo Tanno, Kuniaki Ogasawara, Kazuyoshi Itai, Yuki Yonekura, Kazuki Konishi, Shinichi Omama, Naomi Miyamatsu, Tanvir Chowdhury Turin, Yoshihiro Morino, Tomonori Itoh, Toshiyuki Onoda, Kiyomi Sakata, Yasuhiro Ishibashi, Shinji Makita, Motoyuki Nakamura, Fumitaka Tanaka, Toru Kuribayashi, Mutsuko Ohta, Akira Okayama
BACKGROUND: The relative and absolute risks of stroke and heart failure attributable to atrial fibrillation (AF) have not been sufficiently examined. METHODS: A prospective study of 23,731 community-dwelling Japanese individuals was conducted. Participants were divided into two groups based on the presence or absence of prevalent AF (n = 338 and n = 23,393, respectively). Excess events (EE) due to AF and relative risks (RRs) determined using the non-AF group as the reference for incident stroke and heart failure were estimated using Poisson regression stratified by age groups (middle-aged: 40-69 years old; elderly: 70 years of age or older) after adjustment for sex and age...
April 5, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28385348/the-association-between-changes-in-lifestyle-behaviors-and-the-incidence-of-chronic-kidney-disease-ckd-in-middle-aged-and-older%C3%A2-men
#9
Ryoma Michishita, Takuro Matsuda, Shotaro Kawakami, Satoshi Tanaka, Akira Kiyonaga, Hiroaki Tanaka, Natsumi Morito, Yasuki Higaki
BACKGROUND: This study was designed to evaluate whether changes in lifestyle behaviors are correlated with the incidence of chronic kidney disease (CKD). METHODS: The subjects consisted of 316 men without a history of cardiovascular disease, stroke, or renal dysfunction or dialysis treatment. The following lifestyle behaviors were evaluated using a standardized self-administered questionnaire: habitual moderate exercise, daily physical activity, walking speed, eating speed, late-night dinner, bedtime snacking, skipping breakfast, and drinking and smoking habits...
April 3, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28320584/growth-charts-for-brazilian-children-with-down-syndrome-birth-to-20-years-of-age
#10
Fabio Bertapelli, Stamatis Agiovlasitis, Maira Rossmann Machado, Raísa do Val Roso, Gil Guerra-Junior
BACKGROUND: The growth of youth with Down syndrome (DS) differs from that of youth without DS, and growth charts specific to DS have been developed. However, little is known about the growth of Brazilian youth with DS. The objective of this study was to construct growth charts for Brazilian youth with DS and compare the growth data with the Child Growth Standards of the World Health Organization (WHO) and charts for children with DS from other studies. METHODS: Mixed longitudinal and cross-sectional data were collected at University of Campinas, 48 specialized centers for people with intellectual disabilities, and two foundations for people with DS between 2012 and 2015...
March 17, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28314637/suicide-rates-across-income-levels-retrospective-cohort-data-on-1-million-participants-collected-between-2003-and-2013-in-south-korea
#11
Sang-Uk Lee, In-Hwan Oh, Hong Jin Jeon, Sungwon Roh
BACKGROUND: The relation of income and socioeconomic status with suicide rates remains unclear. Most previous studies have focused on the relationship between suicide rates and macroeconomic factors (e.g., economic growth rate). Therefore, we aimed to identify the relationship between individuals' socioeconomic position and suicide risk. METHODS: We analyzed suicide mortality rates across socioeconomic positions to identify potential trends using observational data on suicide mortality collected between January 2003 and December 2013 from 1,025,340 national health insurance enrollees...
March 14, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28302344/comparison-of-weighed-food-record-procedures-for-the-reference-methods-in-two-validation-studies-of-food-frequency-questionnaires
#12
Yuri Ishii, Junko Ishihara, Ribeka Takachi, Yurie Shinozawa, Nahomi Imaeda, Chiho Goto, Kenji Wakai, Toshiaki Takahashi, Hiroyasu Iso, Kazutoshi Nakamura, Junta Tanaka, Taichi Shimazu, Taiki Yamaji, Shizuka Sasazuki, Norie Sawada, Motoki Iwasaki, Haruo Mikami, Kiyonori Kuriki, Mariko Naito, Naoko Okamoto, Fumi Kondo, Satoyo Hosono, Naoko Miyagawa, Etsuko Ozaki, Sakurako Katsuura-Kamano, Keizo Ohnaka, Hinako Nanri, Noriko Tsunematsu-Nakahata, Takamasa Kayama, Ayako Kurihara, Shiomi Kojima, Hideo Tanaka, Shoichiro Tsugane
BACKGROUND: Although open-ended dietary assessment methods, such as weighed food records (WFRs), are generally considered to be comparable, differences between procedures may influence outcome when WFRs are conducted independently. In this paper, we assess the procedures of WFRs in two studies to describe their dietary assessment procedures and compare the subsequent outcomes. METHODS: WFRs of 12 days (3 days for four seasons) were conducted as reference methods for intake data, in accordance with the study protocol, among a subsample of participants of two large cohort studies...
March 13, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28283417/coexisting-infectious-diseases-on-admission-as-a-risk-factor-for-mechanical-ventilation-in-patients-with-guillain-barr%C3%A3-syndrome
#13
Shinichiro Kobori, Tatsuhiko Kubo, Makoto Otani, Keiji Muramatsu, Yoshihisa Fujino, Hiroaki Adachi, Hiromasa Horiguchi, Kiyohide Fushimi, Shinya Matsuda
BACKGROUND: The aim of this study was to investigate patient characteristics on admission to hospital that increase the risk of subsequent mechanical ventilation (MV) use for patients with Guillain-Barré syndrome (GBS). METHODS: We extracted data from the Japanese Diagnosis Procedure Combination (DPC) database for 4132 GBS patients admitted to hospital. Clinical characteristics of GBS patients with and without MV were compared. Multivariate logistic regression analyses were performed to estimate the odds ratios (ORs) and 95% confidence intervals (CIs) for the associations of requirement for MV with coexisting infectious diseases, after adjustment for potential confounding variables, age, sex, hospital type, and ambulance transportation...
March 7, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28283416/body-mass-index-and-stroke-incidence-in-japanese-community-residents-the-jichi-medical-school-jms-cohort-study
#14
Nami Kawate, Kazunori Kayaba, Motohiko Hara, Kazuhiko Kotani, Shizukiyo Ishikawa
BACKGROUND: High body mass index (BMI) has been reported as a risk factor for cardiovascular events in Western countries, while low BMI has been reported as a risk factor for cardiovascular death in Asian countries, including Japan. Although stroke is a major cause of death and disability in Japan, few cohort studies have examined the association between BMI and stroke incidence in Japan. This study aimed to examine the association between BMI and stroke incidence using prospective data from Japanese community residents...
March 7, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28279589/difference-of-stage-at-cancer-diagnosis-by-socioeconomic-status-for-four-target-cancers-of-the-national-cancer-screening-program-in-korea-results-from-the-gwangju-and-jeonnam-cancer-registries
#15
Sun-Seog Kweon, Min-Gyeong Kim, Mi-Ran Kang, Min-Ho Shin, Jin-Su Choi
BACKGROUND: The aim of this study was to evaluate whether stage at cancer diagnosis differed according to patient economic status. METHODS: A total of 10,528 patients with cancer of the stomach, colorectum, breast, or cervix, which are target organs of the Korean National Cancer Screening Program (NCSP; fully implemented in 2005) were extracted from population-based cancer registries. The patients were classified into four groups based on socioeconomic status (SES), as determined using their National Health Insurance (NHI) monthly premium at the time of cancer diagnosis...
March 6, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28268046/hemorrhoid-is-associated-with-increased-risk-of-peripheral-artery-occlusive-disease-a-nationwide-cohort-study
#16
Wei-Syun Hu, Cheng-Li Lin
BACKGROUND: This study was conducted to evaluate the association between hemorrhoid and risk of incident peripheral artery occlusive disease (PAOD). METHODS: Using the Taiwanese Longitudinal Health Insurance Database 2000, we compared the incident PAOD risk between the hemorrhoid and the non-hemorrhoid cohorts. Both of these cohorts were followed up from the index date until the date of PAOD diagnosis, withdrawal from the National Health Insurance program, or the end of 2011...
March 3, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28258883/impact-and-attribute-of-each-obesity-related-cardiovascular-risk-factor-in-combination-with-abdominal-obesity-on-total-health-expenditures-in-adult-japanese-national-health-insurance-beneficiaries-the-ibaraki-prefectural-health-study
#17
Toshimi Sairenchi, Hiroyasu Iso, Kazumasa Yamagishi, Fujiko Irie, Masanori Nagao, Mitsumasa Umesawa, Yasuo Haruyama, Gen Kobashi, Hiroshi Watanabe, Hitoshi Ota
BACKGROUND: The aim of this study was to examine the attribution of each cardiovascular risk factor in combination with abdominal obesity (AO) on Japanese health expenditures. METHODS: The health insurance claims of 43,469 National Health Insurance beneficiaries aged 40-75 years in Ibaraki, Japan, from the second cohort of the Ibaraki Prefectural Health Study were followed-up from 2009 through 2013. Multivariable health expenditure ratios (HERs) of diabetes mellitus (DM), high low-density lipoprotein cholesterol (LDL-C), low high-density lipoprotein cholesterol (HDL-C), and hypertension with and without AO were calculated with reference to no risk factors using a Tweedie regression model...
February 28, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28256294/sources-of-heterogeneity-in-studies-of-the-bmi-mortality-association
#18
Raphael Simon Peter, Gabriele Nagel
BACKGROUND: To date, the amount of heterogeneity among studies of the body mass index-mortality association attributable to differences in the age distribution and length of follow-up has not been quantified. Therefore, we wanted to quantify the amount of heterogeneity attributable to age and follow-up in results of studies on the body mass index-mortality relation. METHODS: We used optima of the body mass index mortality association reported for 30 populations and performed meta-regression to estimate the amount of heterogeneity attributable to sex, ethnicity, mean age at baseline, percentage smokers, and length of follow-up...
February 27, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28223084/validation-of-a-food-frequency-questionnaire-for-japanese-pregnant-women-with-and-without-nausea-and-vomiting-in-early-pregnancy
#19
Kohei Ogawa, Seung-Chik Jwa, Minatsu Kobayashi, Naho Morisaki, Haruhiko Sago, Takeo Fujiwara
BACKGROUND: No previous study has shown the validity of a food frequency questionnaire (FFQ) in early pregnancy with consideration of nausea and vomiting during pregnancy (NVP). The aim of this study was to evaluate the validity of a FFQ in early pregnancy for Japanese pregnant women. METHOD: We included 188 women before 15 weeks of gestation and compared estimated nutrient intake and food group intake based on a modified FFQ with that based on 3-day dietary records (DRs)...
May 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28190658/validity-and-reliability-of-a-self-administered-food-frequency-questionnaire-for-the-jphc-study-the-assessment-of-amino-acid-intake
#20
Chika Okada, Hiroyasu Iso, Junko Ishihara, Koutatsu Maruyama, Norie Sawada, Shoichiro Tsugane
BACKGROUND: The Japanese database of food amino acid composition was revised in 2010 after a 24-year interval. To examine the impact of the 2010 revision compared with that of the 1986 revision, we evaluated the validity and reliability of amino acid intakes assessed using a food frequency questionnaire (FFQ). METHODS: A FFQ including 138 food items was compared with 7-day dietary records, completed during each distinct season, to assess validity and administered twice at approximately a 1-year interval, to assess reliability...
May 2017: Journal of Epidemiology
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