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Journal of Epidemiology

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https://www.readbyqxmd.com/read/30175730/e-cigarette-use-in-a-country-with-prevalent-tobacco-smoking-a-population-based-study-in-taiwan
#1
Yi-Lung Chen, Shang-Chi Wu, Yen-Tyng Chen, Po-Chang Hsiao, Ya-Hui Yu, Te-Tien Ting, Chuan-Yu Chen, Yu-Kang Tu, Jiun-Hau Huang, Hao-Jan Yang, Chung-Yi Li, Carol Strong, Cheng-Fang Yen, Chia-Feng Yen, Wei J Chen
BACKGROUND: The different profiles of e-cigarette users in different age groups have seldom been investigated, particularly in populations facing a high prevalence of cigarette smoking. This study aims to examine the prevalence and correlates of e-cigarette use separately for adolescents and adults in nationally representative samples in Taiwan. METHODS: Among 17,837 participants in the 2014 National Survey of Substance Use in Taiwan, 4445 were aged 12 to 17 years and 13,392 were aged 18 to 64 years...
September 1, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30146530/evaluation-of-equalization-of-cancer-medical-services-in-japan-using-public-database-in-japan
#2
Tomotaka Sobue
No abstract text is available yet for this article.
August 25, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30146529/psychological-stress-family-environment-and-constipation-in-japanese-children-the-toyama-birth-cohort-study
#3
Masaaki Yamada, Michikazu Sekine, Takashi Tatsuse
BACKGROUND: Childhood constipation is prevalent and negatively affects quality of life. Although psychological stress and family environment have been identified as risk factors, few epidemiological studies have examined this issue. We aimed to clarify associations of psychological stress and family environment with childhood constipation in a large-scale epidemiological study. METHODS: In total, 7,998 children aged 9-10 years from the Toyama Birth Cohort Study completed questionnaires...
August 25, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30146528/trends-and-correlates-of-high-risk-alcohol-consumption-and-types-of-alcoholic-beverages-in-middle-aged-korean-adults-results-from-the-hexa-g-study
#4
Jaesung Choi, Ji-Yeob Choi, Aesun Shin, Sang-Ah Lee, Kyoung-Mu Lee, Juhwan Oh, Joo Yong Park, Jong-Koo Lee, Daehee Kang
BACKGROUND: We aimed to report the prevalence and correlates of high-risk alcohol consumption and types of alcoholic beverages. METHODS: The baseline data of the Health Examinees-Gem (HEXA-G) study participants, including 43,927 men and 85,897 women enrolled from 2005 through 2013, were used for analysis. Joinpoint regression was performed to estimate trends in the age-standardized prevalence of alcohol consumption. Associations of demographic and behavioral factors, perceived health-related effects, social relationships, and the diagnostic history of diseases with alcohol consumption were assessed using multinomial logistic regression...
August 25, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30146527/additive-effect-of-physical-activity-and-sedentary-time-on-depressive-symptoms-in-rural-japanese-adults-a-cross-sectional-study
#5
Takafumi Abe, Tsuyoshi Hamano, Keiichi Onoda, Miwako Takeda, Kenta Okuyama, Masayuki Yamasaki, Minoru Isomura, Toru Nabika
BACKGROUND: Previous studies have reported an additive effect of moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) on depressive symptoms. However, no studies have been conducted in rural community settings. This cross-sectional study investigated whether the additive effect of MVPA and ST was associated with depressive symptoms in rural Japanese adults. METHODS: We identified 2,814 participants from health examinations conducted in Shimane, rural Japan, in 2012 and analyzed data from 1,958 participants...
August 25, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30101815/induced-abortion-birth-control-methods-and-breast-cancer-risk-a-case-control-study-in-china
#6
Xuelian Yuan, Fang Yi, Can Hou, Hui Lee, Xiaorong Zhong, Ping Tao, Hui Li, Zhuping Xu, Jiayuan Li
BACKGROUND: The association between induced abortion and birth control methods (including oral contraceptives and intrauterine devices) and breast cancer may vary among countries, due to the different usage and frequency of birth control methods and induced abortion among countries. A better understanding of this association may help in determining safer birth control methods for Chinese women. METHODS: A case-control study was conducted with a total of 794 cases and 805 controls...
August 11, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30101814/effects-of-omitting-non-confounding-predictors-from-general-relative-risk-models-for-binary-outcomes
#7
John Cologne, Kyoji Furukawa, Eric J Grant, Robert D Abbott
BACKGROUND: The effects, in terms of bias and precision, of omitting non-confounding predictive covariates from generalized linear models have been well studied, and it is known that such omission results in attenuation bias but increased precision with logistic regression. However, many epidemiologic risk analyses utilize alternative models that are not based on a linear predictor, and the effect of omitting non-confounding predictive covariates from such models has not been characterized...
August 11, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30078813/cholangiocarcinoma-trends-incidence-and-relative-survival-in-khon-kaen-thailand-from-1989-through-2013-a-population-based-cancer-registry-study
#8
Supot Kamsa-Ard, Vor Luvira, Krittika Suwanrungruang, Siriporn Kamsa-Ard, Varisara Luvira, Chalongpon Santong, Tharatip Srisuk, Ake Pugkhem, Vajarabhongsa Bhudhisawasdi, Chawalit Pairojkul
BACKGROUND: Cholangiocarcinoma (CCA) is a common malignancy in northeastern Thailand. Over the last 4 decades, several policies have been implemented for its prevention, but there has been no update on the trends and relative survival (RS). Our aim was (a) to perform a statistical assessment of the incidence trends of CCA and project future trends, and (b) to estimate relative survival. METHODS: All cases of CCA diagnosed from 1989 through 2013 were abstracted from the Khon Kaen Cancer Registry (KKCR)...
August 4, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30078812/the-effect-of-maternal-age-at-the-first-childbirth-on-gestational-age-and-birth-weight-the-japan-environment-and-children-s-study-jecs
#9
Hyo Kyozuka, Keiya Fujimori, Mitsuaki Hosoya, Seiji Yasumura, Tadahiko Yokoyama, Akiko Sato, Koichi Hashimoto
BACKGROUND: In Japan, mean maternal age at first childbirth is increasing. The aim of this study was to investigate whether maternal age at the first childbirth is a risk factor for preterm birth (PTB), low birth weight (LBW), and small for gestational age (SGA). METHODS: We used the results of Japan Environment and Children's Study (JECS) who gave birth in 2011-2014. Cases of primiparous singleton pregnancies where the subject was ≥20 years and delivered after 22 weeks were included...
August 4, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30078811/the-prospective-association-between-plasma-concentrations-of-cellular-growth-factors-and-risk-of-heart-failure-mortality-in-japanese-population
#10
Ehab S Eshak, Koutatsu Maruyama, Hiroyasu Iso, Akiko Tamakoshi
BACKGROUND: Limited evidence is available on the association of insulin-like growth factors (IGFs) and risk of heart failure in population-based samples. We investigated whether serum IGFs concentrations can predict mortality from heart failure. METHODS: We conducted a nested case-control study of 39,242 subjects aged 40-79 years who participated in the JACC study, a large Japanese prospective cohort study; participants provided serum samples and were followed up for 9 years...
August 4, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30058613/physical-fitness-tests-and-type-2-diabetes-among-japanese-a-longitudinal-study-from-the-niigata-wellness-study
#11
Haruki Momma, Susumu S Sawada, Kiminori Kato, Yuko Gando, Ryoko Kawakami, Motohiko Miyachi, Cong Huang, Ryoichi Nagatomi, Minoru Tashiro, Masahiro Ishizawa, Satoru Kodama, Midori Iwanaga, Kazuya Fujihara, Hirohito Sone
BACKGROUND: Simple physical fitness test can be a useful potential predictor of type 2 diabetes (T2DM). We examined the association between performances on simple physical fitness tests and the incidence of T2DM. METHODS: This longitudinal study was conducted in 21,802 nondiabetic Japanese (6,649 women) aged 20 to 92 years, who underwent all physical fitness tests at baseline (April 2001 to March 2002). From April 2001 to March 2008, physical fitness tests, including grip strength, vertical jump, single-leg balance with eyes closed, forward bending, whole-body reaction time, and supine legs-up, were performed every year...
July 28, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30058612/cost-effectiveness-of-the-edal-educaci%C3%A3-en-alimentaci%C3%A3-program-a-primary-school-based-study-to-prevent-childhood-obesity
#12
Marta Conesa, Elisabet Llauradó, Magaly Aceves-Martins, David Moriña, Oriol de Solà-Morales, Montse Giralt, Lucia Tarro, Rosa Solà
BACKGROUND: The cost-effectiveness of childhood obesity prevention interventions is critical for their sustained implementation. This study evaluated the cost-effectiveness of the Educació en Alimentació (EdAl) program, a school-based intervention for reducing obesity. METHODS: Total EdAl program implementation costs and per-child costs were estimated. Cost-effectiveness, defined using the incremental cost-effectiveness ratio (ICER), was estimated as the difference between the intervention and control group costs divided by the obesity-related outcome effects for boys (avoided cases of obesity, obesity prevalence, body mass index [BMI], and BMI z-score units) for each group...
July 28, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30033957/associations-of-overweight-obesity-and-underweight-with-high-serum-total-cholesterol-level-over-30-years-among-the-japanese-elderly-nippon-data-80-90-and-2010
#13
Yosuke Shibata, Toshiyuki Ojima, Mieko Nakamura, Kazuyo Kuwabara, Naoko Miyagawa, Yoshino Saito, Yasuyuki Nakamura, Yutaka Kiyohara, Hideaki Nakagawa, Akira Fujiyoshi, Aya Kadota, Takayoshi Ohkubo, Tomonori Okamura, Hirotsugu Ueshima, Akira Okayama, Katsuyuki Miura
BACKGROUND: The trend of association between overweight and high serum total cholesterol (TC) among the elderly is unclear. In addition, there is little evidence of risk of underweight for high TC. Therefore, we examined the trend of association of overweight or underweight with high TC among Japanese elderly people using nationwide population-based data. METHODS: Data of the National Survey on Circulatory Disorders and National Health and Nutrition Survey for 1980, 1990, 2000, and 2010 were used in the analysis...
July 21, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30033956/social-capital-and-dietary-intakes-following-the-2011-great-east-japan-earthquake-and-tsunami
#14
Sayuri Goryoda, Nobuo Nishi, Haruki Shimoda, Yuki Yonekura, Kiyomi Sakata, Seiichiro Kobayashi, Akira Ogawa, Ichiro Kawachi
BACKGROUND: Previous studies have identified poor dietary intake as a health risk affecting survivors of the 2011 Great East Japan Earthquake and Tsunami. We examined the association between different social factors (eg, living conditions and perceptions of community social capital) and dietary intakes among disaster-affected survivors. METHODS: We studied 6,724 survivors in four municipalities of Iwate Prefecture 3 years after the disaster. Social capital was assessed via four items inquiring about respondents' perceptions of social cohesion in their communities...
July 21, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30033955/changes-in-smoking-status-and-mortality-from-all-causes-and-lung-cancer-a-longitudinal-analysis-of-a-population-based-study-in-japan
#15
Ling Zha, Tomotaka Sobue, Tetsuhisa Kitamura, Yuri Kitamura, Norie Sawada, Motoki Iwasaki, Shizuka Sasazuki, Taiki Yamaji, Taichi Shimazu, Shoichiro Tsugane
BACKGROUND: To update the findings of relative risk associated with smoking for all-cause mortality and that for lung cancer by considering longitudinal changes in smoking status during follow-up. METHODS: Data from the JPHC study of 98,747 middle-aged Japanese adults, which started in 1990-1993, were analyzed. The information on smoking status was obtained from three questionnaire surveys (baseline, the 5th year, and the 10th year after the start of follow-up)...
July 21, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30012908/impact-of-comorbidities-on-survival-in-gastric-colorectal-and-lung-cancer-patients
#16
Toshitaka Morishima, Yoshifumi Matsumoto, Nobuyuki Koeda, Hiroko Shimada, Tsutomu Maruhama, Daisaku Matsuki, Kayo Nakata, Yuri Ito, Takahiro Tabuchi, Isao Miyashiro
BACKGROUND: The presence of comorbidities in cancer patients may influence treatment decisions and prognoses. This study aimed to examine the impact of comorbidities on overall survival in Japanese patients diagnosed with major solid tumors. METHODS: To obtain patient-level information on clinical conditions and vital status, we performed a record linkage of population-based cancer registry data from Osaka Prefecture, Japan and administrative data produced under the Diagnosis Procedure Combination (DPC) system...
July 14, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30012907/prevalence-and-correlates-of-dyslipidemia-among-men-and-women-in-palau-findings-of-the-palau-steps-survey-2011-2013
#17
Meishan Cui, Chifa Chiang, Renzhe Cui, Kaori Honjo, Hiroshi Yatsuya, Berry Moon Watson, Edolem Ikerdeu, Takashi Mita, Sherilynn Madraisau, Atsuko Aoyama, Hiroyasu Iso
BACKGROUND: Epidemiological evidence of dyslipidemia in Pacific Island countries is limited despite the knowledge that non-communicable diseases have a high burden in the region. We aimed to examine the prevalence and correlates of dyslipidemia among residents of Palau. METHODS: The Palau STEPwise approach to Surveillance (STEPS), which was conducted from 2011 through 2013, comprised three parts: behavioral risk factors; physical measurements; and biochemical tests, covering areas such as blood lipids...
July 14, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/30012906/the-validity-and-reproducibility-of-dietary-non-enzymatic-antioxidant-capacity-estimated-by-self-administered-food-frequency-questionnaires
#18
Ikuko Kashino, Mauro Serafini, Junko Ishihara, Tetsuya Mizoue, Ayaka Sunami, Koutatsu Maruyama, Norie Sawada, Manami Inoue, Akiko Nanri, Kayo Kurotani, Shamima Akter, Motoki Iwasaki, Shoichiro Tsugane
BACKGROUND: High dietary non-enzymatic antioxidant capacity (NEAC) has been inversely related to the incidence of degenerative diseases. However, few studies have investigated the validity and reproducibility of dietary NEAC estimated from a food frequency questionnaire (FFQ). We assessed the validity and reproducibility of FFQ-based dietary NEAC against a dietary record (DR). METHODS: Participants were 244 men and 253 women who completed a 28-day DR and FFQs. NEAC for each food item was estimated according to available databases of antioxidant capacity, as measured by ferric reducing-antioxidant power (FRAP), oxygen radical absorbance capacity (ORAC), and total radical-trapping antioxidant parameter (TRAP)...
July 14, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29962493/physical-activity-and-health-related-quality-of-life-among-low-income-adults-in-metropolitan-kuala-lumpur
#19
Tin Tin Su, Meram Azzani, Adeoye Philip Adewale, Nithiah Thangiah, Rosilawati Zainol, Hazreen Majid
BACKGROUND: The aim of this research is to assess the level of physical activity (PA) in relation to different socio-economic factors and to examine the effect of the recommended level of PA on the domains of quality of life (QoL) among residents of low-income housing in the metropolitan area of Kuala Lumpur, Malaysia. METHODS: This was a cross-sectional study that included 680 respondents from community housing projects. Reported PA was assessed using the Global Physical Activity Questionnaire (GPAQ) short form version 2...
June 30, 2018: Journal of Epidemiology
https://www.readbyqxmd.com/read/29962492/a-community-wide-intervention-trial-for-preventing-and-reducing-frailty-among-older-adults-living-in-metropolitan-areas-design-and-baseline-survey-for-a-study-integrating-participatory-action-research-with-a-cluster-trial
#20
Satoshi Seino, Akihiko Kitamura, Yui Tomine, Izumi Tanaka, Mariko Nishi, Kumiko Nonaka, Yu Nofuji, Miki Narita, Yu Taniguchi, Yuri Yokoyama, Hidenori Amano, Tomoko Ikeuchi, Yoshinori Fujiwara, Shoji Shinkai
BACKGROUND: Preventing and reducing frailty is an important challenge for Japan in the next decade, especially in metropolitan areas. We launched a community-wide intervention trial (the Ota Genki Senior Project) in 2016 to develop effective community-based strategies for frailty prevention in metropolitan areas. This report describes the study design and baseline survey. METHODS: This study is a community-wide intervention trial that integrates participatory action research into a cluster non-randomized controlled trial for adults aged 65 years or older living in Ota City, Tokyo...
June 30, 2018: Journal of Epidemiology
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