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Journal of Epidemiology

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https://read.qxmd.com/read/30982809/combined-associations-of-body-mass-index-and-metabolic-health-status-on-medical-and-dental-care-days-and-costs-in-japanese-male-employees-a-4-year-follow-up-study
#1
Kunihito Nishikawa, Masayuki Yamamoto
BACKGROUND: The combined associations of body mass index (BMI) levels and metabolic dysfunction on medical and dental care utilizations is unclear. METHODS: A 4-year follow-up study was performed in 16,386 Japanese male employees (mean age, 48.2±11.0 years) without a history of cardiovascular disease (CVD), cancer, or renal failure. They were classified into 8 phenotypes based on 4 BMI levels (underweight <18.5, normal-weight 18.5-24.9, overweight 25.0-29.9, and obesity ≥30...
April 13, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30982808/study-profile-japan-trial-in-high-risk-individuals-to-accelerate-their-referral-to-physicians-j-harp-a-nurse-led-community-based-prevention-program-of-lifestyle-related-disease
#2
Midori Noguchi, Sumi Kojima, Toshimi Sairenchi, Minako Kinuta, Miyae Yamakawa, Hitoshi Nishizawa, Mitsuyoshi Takahara, Hironori Imano, Akihiko Kitamura, Toshiko Yoshida, Ayumi Shintani, Isao Saito, Tetsuji Yokoyama, Iichiro Shimomura, Hiroyasu Iso
BACKGROUND: It is uncertain whether the health counselling after community-based health checkups for high-risk individuals of lifestyle-related disease accelerates their referral to physicians. METHODS: We performed a clustered randomized controlled trial of untreated high-risk individuals aged 40 to 74 years, screened from the annual health checkup in 2014 and 2015 under the national health insurance in 43 municipalities around Japan, assigning 21 intervention and 22 usual care municipalities...
April 13, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30956258/associations-of-frequency-of-laughter-with-risk-of-all-cause-mortality-and-cardiovascular-disease-incidence-in-a-general-population-findings-from-the-yamagata-study
#3
Kaori Sakurada, Tsuneo Konta, Masafumi Watanabe, Kenichi Ishizawa, Yoshiyuki Ueno, Hidetoshi Yamashita, Takamasa Kayama
BACKGROUND: Positive and negative psychological factors are associated with mortality and cardiovascular disease. This study prospectively investigated associations between daily frequency of laughter, and mortality and cardiovascular disease in a community-based population. METHODS: This study included 17,152 subjects ≥40 years old who participated in an annual health check in Yamagata Prefecture. Self-reported daily frequency of laughter was grouped into 3 categories (≥1/week; ≥1/month but <1/week; <1/month)...
April 6, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30956257/study-design-and-baseline-profiles-of-participants-in-the-uonuma-ckd-cohort-study-in-niigata-japan
#4
Keiko Kabasawa, Junta Tanaka, Kazutoshi Nakamura, Yumi Ito, Kinya Yoshida, Ribeka Takachi, Norie Sawada, Shoichiro Tsugane, Ichiei Narita
BACKGROUND: Evidence for primary prevention of chronic kidney disease (CKD) is insufficient. The population-based prospective Uonuma CKD cohort study aims to explore associations of lifestyle and other risk factors with CKD. We report here the study design and baseline profiles. METHODS: All 67,322 residents aged ≥40 years in Minamiuonuma City, Uonuma City, and Yuzawa Town, Niigata Prefecture, Japan and 11,406 who attended local health-check examinations were targeted for baseline questionnaire and biochemical sampling, respectively...
April 6, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30930375/echocardiographic-parameters-and-the-risk-of-incident-atrial-fibrillation-the-suita-study
#5
Aya Higashiyama, Yoshihiro Kokubo, Makoto Watanabe, Yoko Masukata Nakao, Tomonori Okamura, Akira Okayama, Yoshihiro Miyamoto
BACKGROUND: Left atrial dimension (LAD) and other parameters on echocardiography have been reported to be associated with the risk of atrial fibrillation (AF). However, few studies have investigated the associations between echocardiographic parameters and the risk of AF in the Asian general population with a low AF incidence. METHODS: A prospective cohort study was performed in 1,424 individuals in the Suita study with echocardiographic parameters including LAD and no history of AF...
March 30, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30930374/serum-gamma-glutamyltransferase-daily-alcohol-consumption-and-the-risk-of-chronic-kidney-disease-the-kansai-healthcare-study
#6
Mikiko Shibata, Kyoko Kogawa Sato, Shinichiro Uehara, Hideo Koh, Keiko Oue, Hiroshi Kambe, Michio Morimoto, Tomoshige Hayashi
Backgound: Serum gamma-glutamyltransferase has been recognized as the risk factor of cardiovascular and metabolic diseases. However, the association between serum gamma-glutamyltransferase and the risk of chronic kidney disease is not well known and no prospective studies have examined separately the relationship of serum gamma-glutamyltransferase with the risk of proteinuria versus that of low estimated glomerular filtration rate (eGFR). METHODS: We prospectively followed 9,341 Japanese men who did not have low eGFR, proteinuria, nor diabetes, and did not take antihypertensive medications at entry for the analysis of proteinuria, and 9,299 men for that of low eGFR...
March 30, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30905898/associations-of-circulating-micrornas-mir-17-mir-21-and-mir-150-and-chronic-kidney-disease-in-a-japanese-population
#7
Ryosuke Fujii, Hiroya Yamada, Eiji Munetsuna, Mirai Yamazaki, Koji Ohashi, Hiroaki Ishikawa, Keisuke Maeda, Chiharu Hagiwara, Yoshitaka Ando, Shuji Hashimoto, Nobuyuki Hamajima, Koji Suzuki
BACKGROUND: MicroRNAs (miRNAs) play crucial roles in the development of various diseases, including chronic kidney disease (CKD). Although previous studies in clinically severe patients have investigated associations between CKD and miRNAs with particular attention on renal fibrosis, relationships in a general population have yet to be established. The aim of this study was to examine the relationship between expression level of circulating miRNAs and CKD in a middle-aged Japanese population...
March 23, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30905897/socio-economic-disparities-in-early-childhood-education-enrollment-japanese-population-based-study
#8
Yuko Kachi, Tsuguhiko Kato, Ichiro Kawachi
BACKGROUND: Accumulating evidence has shown that high-quality early childhood education and care may be an effective way of promoting children's optimal health and development, especially for the most disadvantaged. However, socially disadvantaged families are less likely to enroll children in center-based childcare. In this study, we explored characteristics associated with use of center-based childcare among Japanese families. METHODS: We used data from two Japanese birth cohorts in 2001 (n=17,019) and 2010 (n=24,333)...
March 23, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30880306/plain-water-intake-and-association-with-the-risk-of-overweight-in-the-chinese-adult-population-china-health-and-nutrition-survey-2006-2011
#9
Xing-Bing Pan, Hui-Jun Wang, Bing Zhang, Ying-Li Liu, Su-Fen Qi, Qing-Bao Tian
BACKGROUND: The prevalence of overweight was increasing dramatically worldwide. The aim of our study was to investigate the association of plain water intake (PWI) with the risk of new-onset overweight risk among Chinese adults. METHODS: A total of 3200 adults aged 18-65 who were free of overweight at baseline were enrolled from China Health and Nutrition Survey (CHNS) cohort study in 2006-2011. The risk of new-onset overweight with different amounts of PWI per day was analyzed in this five-year cohort...
March 16, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30828036/relationship-between-severe-respiratory-depression-and-codeine-containing-antitussives-in-children-a-nested-case-control-study
#10
Sachiko Ono, Yosuke Ono, Daisuke Koide, Hideo Yasunaga
BACKGROUND: Guidelines recommend against all codeine use in children for its common indications of analgesia and cough suppression because of uncertain benefits and potential risk of death. However, because of its rarity, the occurrence of severe respiratory depression associated with codeine-containing antitussives has been poorly investigated. The objective of this study was to investigate the association between codeine-containing antitussives and severe respiratory depression in children...
March 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30828035/the-association-between-education-and-smoking-prevalence-independent-of-occupation-a-nationally-representative-survey-in-japan
#11
Kimiko Tomioka, Norio Kurumatani, Keigo Saeki
BACKGROUND: Higher smoking prevalence in less educated persons and manual workers is well-known. This study examines the independent relationship of education and occupation with tobacco use. METHODS: We used anonymized data from a nationwide population survey (30,617 men and 33,934 women). Education was divided into junior high school, high school, or university attainment. Occupation was grouped into upper non-manual, lower non-manual, and manual. Poisson regression models stratified by age and gender were used to estimate adjusted prevalence ratio (PR) and 95% confidence interval (CI) for current smoking...
March 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30828034/utility-of-a-specific-health-checkup-database-containing-lifestyle-behaviors-and-lifestyle-diseases-for-employee-health-insurance-in-japan
#12
Toshiki Fukasawa, Nanae Tanemura, Shinya Kimura, Hisashi Urushihara
BACKGROUND: The Japanese Ministry of Health, Labour and Welfare introduced Specific Health Checkups (SHC) to identify individuals at risk of metabolic syndrome (MS). This study aimed to describe the SHC database developed by the Japan Medical Data Center Co., Ltd. (JMDC) as a means of exploring lifestyle behaviors and lifestyle diseases among working generations. METHODS: We conducted a retrospective, cross-sectional study of employees and their families using the JMDC-SHC database to describe the prevalence of lifestyle behaviors (smoking, exercise, dietary habits, drinking habits, and sleeping) and lifestyle diseases (MS, hypertension, dyslipidemia, and diabetes mellitus)...
March 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30828033/sociodemographic-factors-influenced-response-to-the-2015-national-nutrition-survey-on-preschool-children-results-from-linkage-with-the-comprehensive-survey-of-living-conditions
#13
Hitomi Okubo, Tetsuji Yokoyama
BACKGROUND: The National Nutrition Survey on Preschool Children, Japan (NNSPC) provide fundamental information for policy making for child nutrition. However, the response rate and background characteristics of subjects are unclear. Here, we examined response rate and sociodemographic factors related with response to the survey, and evaluated the magnitude of bias due to selective response in the survey estimates of the NNSPC. METHODS: This study was based on two national surveys conducted in 2015: the NNSPC and the Comprehensive Survey of Living Conditions (CSLC)...
March 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30745493/dietary-inflammatory-index-positively-associated-with-high-sensitivity-c-reactive-protein-level-in-japanese-from-nippon-data2010
#14
Yunqing Yang, Atsushi Hozawa, Mana Kogure, Akira Narita, Takumi Hirata, Tomohiro Nakamura, Naho Tsuchiya, Naoki Nakaya, Toshiharu Ninomiya, Nagako Okuda, Aya Kadota, Takayoshi Ohkubo, Tomonori Okamura, Hirotsugu Ueshima, Akira Okayama, Katsuyuki Miura
BACKGROUND: It has been reported that chronic inflammation may play an important role in the pathogenesis of several serious diseases and could be modulated by diet. Recently, the Dietary Inflammatory Index (DII® ) was developed to assess the inflammatory potential of the overall diet. The DII has been reported as relevant to various diseases but has not been validated in Japanese. Thus in the present study, we analyzed the relationship between DII scores and high-sensitivity C-reactive protein (hs-CRP) levels in a Japanese population...
February 9, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30713262/the-japan-public-health-center-based-prospective-study-for-the-next-generation-jphc-next-study-design-and-participants
#15
Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Atsushi Goto, Taichi Shimazu, Manami Inoue, Kozo Tanno, Kiyomi Sakata, Kazumasa Yamagishi, Hiroyasu Iso, Nobufumi Yasuda, Tadahiro Kato, Isao Saito, Maiko Hasegawa, Kiyoshi Aoyagi, Shoichiro Tsugane
BACKGROUND: Lifestyle and life-environment factors have undergone drastic changes in Japan over the last few decades. Further, many molecular epidemiologic studies have reported that genetic, epigenetic and other biomarker information may be useful in predicting individual disease risk. METHODS: Japan Public Health Center-based Prospective Study for the Next Generation (JPHC-NEXT) was launched in 2011 to identify risk factors for lifestyle-related disease, elucidate factors which extend healthy life expectancy, and contribute toward personalized healthcare based on our more than 20 years' experience with the JPHC Study...
February 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30713261/incidence-and-age-distribution-of-hospitalized-presumptive-and-possible-abusive-head-trauma-of-children-under-12-months-old-in-japan
#16
Yui Yamaoka, Takeo Fujiwara, Yoshihisa Fujino, Shinya Matsuda, Kiyohide Fushimi
BACKGROUND: Abusive head trauma (AHT) is the leading cause of fatal maltreatment among young children. The incidence of AHT in Japan, however, remains unknown. This study examined the incidence and distribution of age in months among young children under 12 months old hospitalized with intracranial injury in Japan. METHODS: We conducted multicenter cross-sectional study for children under 36 months old admitted with intracranial injury to hospitals that employed the Diagnostic Procedure Combination (DPC) payment system between 2010 and 2013...
February 2, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30686817/dental-status-is-associated-with-incident-functional-disability-in-community-dwelling-older-japanese-a-prospective-cohort-study-using-propensity-score-matching
#17
Takamasa Komiyama, Takashi Ohi, Yasutake Tomata, Fumiya Tanji, Ichiro Tsuji, Makoto Watanabe, Yoshinori Hattori
BACKGROUND: A growing number of epidemiology studies have shown that poor oral health is associated with an increased incidence of functional disability. However, there are few studies in which the confounding bias is adjusted appropriately. In this study, it was examined whether dental status is associated with functional disability in elderly Japanese using a 13-year prospective cohort study after elimination of confounding factors with propensity score matching. METHODS: Participants were community-dwelling Japanese aged 70 years or older who lived in the Tsurugaya district of Sendai (n = 838)...
January 26, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30662042/self-reported-hearing-visual-loss-and-mortality-in-middle-aged-and-older-adults-findings-from-the-komo-ise-cohort-japan
#18
Atsushi Miyawaki, Yasuki Kobayashi, Ichiro Kawachi
BACKGROUND: The association of sensory loss with mortality remains unclear. We aimed to explore the association of hearing loss (HL), visual loss (VL), and dual sensory loss (DSL) with survival. METHODS: Data came from the Komo-Ise study cohort in Gunma prefecture, Japan, where the community-dwelling residents aged 40-69 years were followed up from 1993 to 2010. 9522 individuals who answered the follow-up questionnaires in 2000 (average age 64 (range 47 to 77) in 2000) were analyzed...
January 19, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30643101/association-of-vegetable-fruit-and-okinawan-vegetable-consumption-with-incident-stroke-and-coronary-heart-disease
#19
Takahiro Yoshizaki, Junko Ishihara, Ayaka Kotemori, Junpei Yamamoto, Yoshihiro Kokubo, Isao Saito, Hiroshi Yatsuya, Kazumasa Yamagishi, Norie Sawada, Motoki Iwasaki, Hiroyasu Iso, Shoichiro Tsugane
BACKGROUND: Few studies have investigated the effects of Okinawan vegetable consumption on the risk of incident stroke and coronary heart disease. This study aimed to examine associations of vegetable, fruit, and Okinawan vegetable consumption with risk of incident stroke and coronary heart disease in the Japanese population of Okinawa. METHODS: Study design was a prospective cohort study. During 1995-1998, a validated food frequency questionnaire was administered in two study areas to 16,498 participants aged 45-74 years...
January 12, 2019: Journal of Epidemiology
https://read.qxmd.com/read/30643100/serum-pepsinogen-values-in-japanese-junior-high-school-students-with-reference-to-helicobacter-pylori-infection
#20
Masumi Okuda, Yingsong Lin, Katsuhiro Mabe, Mototsugu Kato, Takako Osaki, Ryosuke Miyamoto, Akihisa Okumura, Shigeru Kamiya, Shogo Kikuchi
OBJECTIVES: Distributions of serum pepsinogen (PG) values were assessed in Helicobacter pylori-infected and non-infected junior high school students (aged 12-15 years) in Japan. METHODS: All junior high school students (1,225 in total) in Sasayama city, who were basically healthy, were asked to provide urine and serum samples, which were used to measure urine and serum H. pylori antibodies using ELISA kits and PG values. The subjects, whose urine and serum antibodies were both positive, were considered H...
January 12, 2019: Journal of Epidemiology
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