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Journal of Epidemiology

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https://www.readbyqxmd.com/read/29434085/increasing-research-opportunities-in-asia-amidst-dramatically-changing-epidemiologic-patterns
#1
Naoki Kondo
No abstract text is available yet for this article.
February 10, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29434084/comprehensive-assessment-of-risk-factors-of-cause-specific-infant-deaths-in-japan
#2
Yui Yamaoka, Naho Morisaki, Haruko Noguchi, Hideto Takahashi, Nanako Tamiya
BACKGROUND: Public attention is given to infants with socially high risks of child abuse and neglect, while clinical attention is provided to infants with a biologically high risk of diseases. However, few studies have systematically evaluated how biological or social factors cross over and affect cause-specific infant mortality. METHODS: We linked birth data with death data from the Japanese national vital statistics database for all infants born from 2003-2010...
February 10, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29398683/living-alone-or-with-others-and-depressive-symptoms-and-effect-modification-by-residential-social-cohesion-among-older-adults-in-japan-the-jages-longitudinal-study
#3
Kaori Honjo, Yukako Tani, Masashige Saito, Yuri Sasaki, Katsunori Kondo, Ichiro Kawachi, Naoki Kondo
BACKGROUND: There is little longitudinal evidence on the impact of specific living arrangements (ie, who individuals live with) on mental health among older adults, and no studies have examined the modifying effect of residential social cohesion level on this association. We aimed to examine the association between living arrangements and depressive symptoms and whether this association varies with residential neighborhood social cohesion level among 19,656 men and 22,513 women aged 65 years and older in Japan...
February 3, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29398682/sleep-duration-modifies-the-association-of-overtime-work-with-risk-of-developing-type-2-diabetes-japan-epidemiology-collaboration-on-occupational-health-study
#4
Keisuke Kuwahara, Teppei Imai, Toshiaki Miyamoto, Takeshi Kochi, Masafumi Eguchi, Akiko Nishihara, Tohru Nakagawa, Shuichiro Yamamoto, Toru Honda, Isamu Kabe, Tetsuya Mizoue, Seitaro Dohi
BACKGROUND: Evidence linking working hours and the risk of type 2 diabetes mellitus (T2DM) is limited and inconsistent in Asian populations. No study has addressed the combined association of long working hours and sleep deprivation on T2DM risk. We investigated the association of baseline overtime work with T2DM risk and assessed whether sleep duration modified the effect among Japanese. METHODS: Participants were Japanese employees (28,489 men and 4,561 women) aged 30-64 years who reported overtime hours and had no history of diabetes at baseline (mostly in 2008)...
February 3, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29353866/weight-status-physical-activity-and-depression-in-korean-older-adults
#5
Jinkyung Cho, Youngyun Jin, Hyunsik Kang
BACKGROUND: This study aimed to explore the associations between weight status, physical activity, and depression in Korean older adults. METHODS: We used the baseline data drawn from the 2008 baseline survey utilized in the Living Profiles of Older People Survey, comprised of 15,146 community-dwelling older people (42.6% men and 57.4% women) aged 60 years and older residing in the Republic of Korea. After excluding respondents with missing data on height, weight, and physical activity (PA), data on 10,197 samples (43...
January 20, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29353865/an-18-year-follow-up-survey-of-dioxin-levels-in-human-milk-in-japan
#6
Ryusuke Ae, Yosikazu Nakamura, Hiroshi Tada, Yumi Kono, Eiko Matsui, Kazuo Itabashi, Masanori Ogawa, Teppei Sasahara, Yuri Matsubara, Takao Kojo, Kazuhiko Kotani, Nobuko Makino, Yasuko Aoyama, Takashi Sano, Koki Kosami, Maho Yamashita, Akira Oka
BACKGROUND: Globally, few published studies have tracked the temporal trend of dioxin levels in the human body since 2000. This study describes the annual trend of dioxin levels in human breast milk in Japanese mothers from 1998 through 2015. METHODS: An observational study was conducted from 1998 through 2015. Participants were 1,194 healthy mothers following their first delivery who were recruited annually in Japan. Breast milk samples obtained from participants were analyzed using gas chromatography and mass spectrometry for dioxins, including polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and coplanar polychlorinated biphenyls (PCBs)...
January 20, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29332861/epicardial-fat-thickness-and-bone-mineral-content-the-healthy-twin-study-in-korea
#7
Dong-Won Lee, Min Soo Cho, Eun Yeong Choe, Seung Woo Park, Yun-Mi Song, Sang-Chol Lee, Joohon Sung
BACKGROUND: The conventional concept of positive association between general obesity and bone health was challenged in recent studies reporting the different effects of specific fat deposition on bone health. In the present study, we investigated the association between epicardial fat and bone health. METHODS: We measured echocardiographic epicardial fat thickness (EFT) and bone mineral content (BMC) in a twin-family cohort of Koreans (n = 1,198; 525 men, 460 pre- and 213 post-menopausal women)...
January 13, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29332860/impact-of-the-great-east-japan-earthquake-on-body-mass-index-weight-and-height-of-infants-and-toddlers-an-infant-survey
#8
Hiroshi Yokomichi, Hiroko Matsubara, Mami Ishikuro, Masahiro Kikuya, Tsuyoshi Isojima, Susumu Yokoya, Noriko Kato, Toshiaki Tanaka, Shoichi Chida, Atsushi Ono, Mitsuaki Hosoya, Soichiro Tanaka, Shinichi Kuriyama, Shigeo Kure, Zentaro Yamagata
BACKGROUND: The body mass index (BMI) of preschool children from 4 years of age through primary school has increased since the Great East Japan Earthquake, but that of children aged under 3 years has not been studied. This study evaluated how the anthropometrics of younger children changed following the earthquake. METHODS: Height and weight data of children living in northeast Japan were collected from 3-, 6-, 18-, and 42-month child health examinations. We compared the changes in BMI, weight, and height among infants affected by the earthquake between their 3- and 6-month health examinations, toddlers affected at 21-30 months of age (affected groups), and children who experienced the earthquake after their 42-month child health examination (unaffected group)...
January 13, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29311441/yellow-tongue-coating-is-associated-with-diabetes-mellitus-among-japanese-non-smoking-men-and-women-the-toon-health-study
#9
Kiyohide Tomooka, Isao Saito, Shinya Furukawa, Koutatsu Maruyama, Eri Eguchi, Hiroyasu Iso, Takeshi Tanigawa
BACKGROUND: Yellow tongue coating is one of the clinical signs for diabetes mellitus according to traditional East Asian medicine. Few reports have been available on the association between yellow tongue coating and the prevalence of type 2 diabetes in the general population. We examined that association among population samples of non-smoking men and women. METHODS: The study subjects were Japanese non-smoking men (n = 315) and women (n = 654) aged 30-79 years who resided in Toon city and participated in the Toon Health Study from July 2011 through November 2014...
December 28, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/29276213/a-literature-review-of-mathematical-models-of-hepatitis-b-virus-transmission-applied-to-immunization-strategies-from-1994-to-2015
#10
Peifeng Liang, Jian Zu, Guihua Zhuang
A mathematical model of the transmission dynamics of infectious disease is an important theoretical epidemiology method, which has been used to simulate the prevalence of hepatitis B and evaluate different immunization strategies. However, differences lie in the mathematical processes of modeling HBV transmission in published studies, not only in the model structure, but also in the estimation of certain parameters. This review reveals that the dynamics model of HBV transmission only simulates the spread of HBV in the population from the macroscopic point of view and highlights several main shortcomings in the model structure and parameter estimation...
December 23, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/29225298/long-term-impact-of-cardiorespiratory-fitness-on-type-2-diabetes-incidence-a-cohort-study-of-japanese-men
#11
Ryoko Kawakami, Susumu S Sawada, I-Min Lee, Yuko Gando, Haruki Momma, Shin Terada, Chihiro Kinugawa, Takashi Okamoto, Koji Tsukamoto, Mitsuru Higuchi, Motohiko Miyachi, Steven N Blair
BACKGROUND: We sought to examine the association between cardiorespiratory fitness (CRF) and incidence of type 2 diabetes considering the follow-up period in a cohort of Japanese men with a maximum follow-up period of 23 years. METHODS: This study enrolled 7,804 male workers free of diabetes in 1986. CRF was measured using a cycle ergometer, and maximal oxygen uptake was estimated. During 1986-2009, participants were followed for development of type 2 diabetes, which was diagnosed using fasting blood tests, self-administered questionnaires, or oral glucose tolerance tests after urinary tests from annual health checkups...
December 9, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/29225297/body-mass-index-and-pancreatic-cancer-incidence-a-pooled-analysis-of-nine-population-based-cohort-studies-with-more-than-340-000-japanese-subjects
#12
Yuriko N Koyanagi, Keitaro Matsuo, Hidemi Ito, Akiko Tamakoshi, Yumi Sugawara, Akihisa Hidaka, Keiko Wada, Isao Oze, Yuri Kitamura, Rong Liu, Tetsuya Mizoue, Norie Sawada, Chisato Nagata, Kenji Wakai, Tomio Nakayama, Atsuko Sadakane, Keitaro Tanaka, Manami Inoue, Shoichiro Tsugane, Shizuka Sasazuki
BACKGROUND: A high body mass index (BMI) has been proposed as an important risk factor for pancreatic cancer. However, this association of BMI with pancreatic cancer risk has not been confirmed in Asian populations. METHODS: We evaluated the association between BMI (either at baseline or during early adulthood) and pancreatic cancer risk by conducting a pooled analysis of nine population-based prospective cohort studies in Japan with more than 340,000 subjects. Summary hazard ratios (HRs) were estimated by pooling study-specific HRs for unified BMI categories with a random-effects model...
December 9, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28716381/smoking-and-the-risk-of-type-2-diabetes-in-japan-a-systematic-review-and-meta-analysis
#13
REVIEW
Shamima Akter, Atsushi Goto, Tetsuya Mizoue
Cigarette smoking is the leading avoidable cause of disease burden. Observational studies have suggested an association between smoking and risk of type 2 diabetes mellitus (T2DM). We conducted a meta-analysis of prospective observational studies to investigate the association of smoking status, smoking intensity, and smoking cessation with the risk of T2DM in Japan, where the prevalence of smoking has been decreasing but remains high. We systematically searched MEDLINE and the Ichushi database to December 2015 and identified 22 eligible articles, representing 343,573 subjects and 16,383 patients with T2DM...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28669629/the-ratio-of-serum-eicosapentaenoic-acid-to-arachidonic-acid-and-risk%C3%A2-of-cancer-death-in-a-japanese-community-the-hisayama-study
#14
Masaharu Nagata, Jun Hata, Yoichiro Hirakawa, Naoko Mukai, Daigo Yoshida, Tomoyuki Ohara, Hiro Kishimoto, Hiroyuki Kawano, Takanari Kitazono, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Whether the intake of eicosapentaenoic acid (EPA) or arachidonic acid (AA) affects the risk of cancer remains unclear, and the association between the serum EPA:AA ratio and cancer risk has not been fully evaluated in general populations. METHODS: A total of 3098 community-dwelling subjects aged ≥40 years were followed up for 9.6 years (2002-2012). The levels of the serum EPA:AA ratio were categorized into quartiles (<0.29, 0.29-0.41, 0.42-0.60, and >0...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28648766/age-sex-and-diagnosis-specific-incidence-rate-of-medically-certified-long-term-sick-leave-among-private-sector-employees-the-japan-epidemiology-collaboration-on-occupational-health-j-ecoh-study
#15
Chihiro Nishiura, Akiko Nanri, Ikuko Kashino, Ai Hori, Chihiro Kinugawa, Motoki Endo, Noritada Kato, Aki Tomizawa, Akihiko Uehara, Makoto Yamamoto, Tohru Nakagawa, Shuichiro Yamamoto, Toru Honda, Teppei Imai, Akiko Okino, Toshiaki Miyamoto, Naoko Sasaki, Kentaro Tomita, Satsue Nagahama, Takeshi Kochi, Masafumi Eguchi, Hiroko Okazaki, Taizo Murakami, Chii Shimizu, Makiko Shimizu, Isamu Kabe, Tetsuya Mizoue, Tomofumi Sone, Seitaro Dohi
BACKGROUND: Long-term sick-leave is a major public health problem, but data on its incidence in Japan are scarce. We aimed to present reference data for long-term sick-leave among private sector employees in Japan. METHODS: The study population comprised employees of 12 companies that participated in the Japan Epidemiology Collaboration on Occupational Health Study. Details on medically certified sick-leave lasting ≥30 days were collected from each company. Age- and sex-specific incidence rate of sick-leave was calculated for the period of April 2012 to March 2014...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28645522/acute-effects-of-ambient-temperature-and-particulate-air-pollution-on-fractional-exhaled-nitric-oxide-a-panel-study-among-diabetic-patients-in-shanghai-china
#16
Huichu Li, Hongjian Bai, Changyuan Yang, Renjie Chen, Cuicui Wang, Zhuohui Zhao, Haidong Kan
BACKGROUND: Epidemiological studies have shown the associations of ambient temperature and particulate matter (PM) air pollution with respiratory morbidity and mortality. However, the underlying mechanisms have not been well characterized. The aim of this study is to investigate the associations of temperature and fine and coarse PM with fractional exhaled nitric oxide (FeNO), a well-established biomarker of respiratory inflammation. METHODS: We conducted a longitudinal panel study involving six repeated FeNO tests among 33 type 2 diabetes mellitus patients from April to June 2013 in Shanghai, China...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28645521/platelet-count-and-indoor-cold-exposure-among-elderly-people-a%C3%A2-cross-sectional-analysis-of-the-heijo-kyo-study
#17
Keigo Saeki, Kenji Obayashi, Norio Kurumatani
BACKGROUND: Excess mortality from cardiovascular disease during cold seasons is a worldwide issue. Although some physiologic studies suggests that platelet activation via cold exposure may cause an increased incidence of cardiovascular disease in winter, the influence of indoor cold exposure in real-life situations on platelet (PLT) count remains unclear. METHODS: A cross-sectional study was conducted among 1095 elderly individuals. After obtaining a venous sample in the morning, indoor temperature of participants' home was measured every 10 min for 48 h...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28623056/the-prevalence-and-risk-factor-control-associated-with-noncommunicable-diseases-in-china-japan-and-korea
#18
Defu Ma, Hiromichi Sakai, Chihiro Wakabayashi, Jong-Sook Kwon, Yoonna Lee, Shuo Liu, Qiaoqin Wan, Kumiko Sasao, Kanade Ito, Ken Nishihara, Peiyu Wang
BACKGROUND: Noncommunicable disease (NCD) has become the leading cause of mortality and disease burden worldwide. METHODS: A cross-sectional survey was carried out to investigate the prevalence of NCDs and risk factor control on dietary behaviors and dietary intake in China, Japan, and Korea. RESULTS: There were significant differences among the three countries on the prevalence of hypertension (24.5% in China, 17.6% in Korea, and 15.2% in Japan), diabetes (8...
December 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
#19
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...
December 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/29176275/patterns-and-levels-of-sedentary-behavior-and-physical-activity-in-a-general-japanese-population-the-hisayama-study
#20
Tao Chen, Hiro Kishimoto, Takanori Honda, Jun Hata, Daigo Yoshida, Naoko Mukai, Mao Shibata, Toshiharu Ninomiya, Shuzo Kumagai
BACKGROUND: The purpose of this cross-sectional study was to describe the patterns and levels of sedentary time and physical activity (PA) in a general Japanese population. METHODS: A total of 1,740 community-dwelling Japanese adults aged ≥40 years participated in this study. Sedentary time and PA were assessed for 7 consecutive days using a tri-axial accelerometer. Daily patterns and levels of sedentary time and PA were calculated by sex, age group (40-64, 65-74, and ≥75 years), and body mass index (BMI; <25 and ≥25 kg/m2)...
November 25, 2017: Journal of Epidemiology
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