研究者詳細 - 八谷　寛

論文 - 八谷　寛

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A Point System for Predicting 10-Year Risk of Developing Type 2 Diabetes Mellitus in Japanese Men: Aichi Workers' Cohort Study 査読有り

Yatsuya Hiroshi, Li Yuanying, Hirakawa Yoshihisa, Ota Atsuhiko, Matsunaga Masaaki, Haregot Hilawe Esayas, Chiang Chifa, Zhang Yan, Tamakoshi Koji, Toyoshima Hideaki, Aoyama Atsuko

JOURNAL OF EPIDEMIOLOGY 28 巻 ( 8 ) 頁： 347 - 352 2018年

担当区分：筆頭著者,　責任著者記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Journal of Epidemiology

Background: Relatively little evidence exists for type 2 diabetes mellitus (T2DM) prediction models from long-term follow-up studies in East Asians. This study aims to develop a point-based prediction model for 10-year risk of developing T2DM in middle-aged Japanese men. Methods: We followed 3,540 male participants of Aichi Workers’ Cohort Study, who were aged 35–64 years and were free of diabetes in 2002, until March 31, 2015. Baseline age, body mass index (BMI), smoking status, alcohol consumption, regular exercise, medication for dyslipidemia, diabetes family history, and blood levels of triglycerides (TG), high density lipoprotein cholesterol (HDLC) and fasting blood glucose (FBG) were examined using Cox proportional hazard model. Variables significantly associated with T2DM in univariable models were simultaneously entered in a multivariable model for determination of the final model using backward variable selection. Performance of an existing T2DM model when applied to the current dataset was compared to that obtained in the present study’s model. Results: During the median follow-up of 12.2 years, 342 incident T2DM cases were documented. The prediction system using points assigned to age, BMI, smoking status, diabetes family history, and TG and FBG showed reasonable discrimination (c-index: 0.77) and goodness-of-fit (Hosmer-Lemeshow test, P = 0.22). The present model outperformed the previous one in the present subjects. Conclusion: The point system, once validated in the other populations, could be applied to middle-aged Japanese male workers to identify those at high risk of developing T2DM. In addition, further investigation is also required to examine whether the use of this system will reduce incidence.

DOI： 10.2188/jea.JE20170048

[Study on the probability of incident stroke and acute myocardial infarction using DPC data]. 査読有り

Kakizaki M, Sawada N, Yamagishi K, Yatsuya H, Saito I, Kokubo Y, Iso H, Tsugane S, Yasunaga H

[Nihon koshu eisei zasshi] Japanese journal of public health 65 巻 ( 4 ) 頁： 179 - 186 2018年

肥満と動脈硬化

八谷寛, 李媛英, 金子佳世, 太田充彦

食と医療 4 巻頁： 72 - 79 2018年

Prevalence of non-communicable disease risk factors among poor shantytown residents in Dhaka, Bangladesh: a community-based cross-sectional survey 査読有り国際共著国際誌

Khalequzzaman, M; Chiang, C; Choudhury, SR; Yatsuya, H; Al-Mamun, MA; Al-Shoaibi, AAA; Hirakawa, Y; Hoque, BA; Islam, SS; Matsuyama, A; Iso, H; Aoyama, A

BMJ OPEN 7 巻 ( 11 ) 頁： e014710 2017年11月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：BMJ Open

Objectives This study aims to describe the prevalence of non-communicable disease (NCD) risk factors among the urban poor in Bangladesh. Design We conducted a community-based cross-sectional epidemiological study. Setting The study was conducted in a shantytown in the city of Dhaka. There were 8604 households with 34 170 residents in the community. Those households were categorised into two wealth strata based on the housing structure. Participants The study targeted residents aged 18-64 years. A total of 2986 eligible households with one eligible individual were selected by simple random sampling stratified by household wealth status. A total of 2551 residents completed the questionnaire survey, and 2009 participated in the subsequent physical and biochemical measurements. Outcome measures A modified WHO survey instrument was used for assessing behavioural risk factors and physical and biochemical measurements, including glycated haemoglobin (HbA1c). The prevalence of NCD risk factors, such as tobacco use, fruit and vegetable intake, overweight/obesity, hypertension, diabetes (HbA1c ≥6.5%) and dyslipidaemia, was described according to household wealth status and gender differences. Results The prevalence of current tobacco use was 60.4% in men and 23.5% in women. Most of them (90.8%) consumed more than 1 serving of fruits and vegetables per day; however, only 2.1% consumed more than 5 servings. Overweight/obesity was more common in women (39.2%) than in men (18.9%), while underweight was more common in men (21.0%) than in women (7.1%). The prevalence of hypertension was 18.6% in men and 20.7% in women. The prevalence of diabetes was 15.6% in men and 22.5% in women, which was much higher than the estimated national prevalence (7%). The prevalence of raised total cholesterol (≥190 mg/dL) was 25.7% in men and 34.0% in women. Conclusion The study identified that tobacco use, both overweight and underweight, diabetes, hypertension and dyslipidaemia were prevalent among the urban poor in Bangladesh.

DOI： 10.1136/bmjopen-2016-014710

Alcohol consumption and mortality from aortic disease among Japanese men: The Japan Collaborative Cohort study 査読有り国際誌

Shirakawa, T; Yamagishi, K; Yatsuya, H; Tanabe, N; Tamakoshi, A; Iso, H

ATHEROSCLEROSIS 266 巻頁： 64 - 68 2017年11月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Atherosclerosis

Background and aims Only a few population-based prospective studies have examined the association between alcohol consumption and abdominal aortic aneurysm, and the results are inconsistent. Moreover, no evidence exists for aortic dissection. We examined the effect of alcohol consumption on risk of mortality from aortic diseases. Methods A total of 34,720 men from the Japan Collaborative Cohort study, aged 40–79 years, without history of cardiovascular disease and cancer at baseline 1988 and 1990 were followed up until the end of 2009 for their mortality and its underlying cause. Hazard ratios of mortality from aortic diseases were estimated according to alcohol consumption categories of never-drinkers, ex-drinkers, regular drinkers of ≤30 g, and >30 g ethanol per day. Results During the median 17.9-year follow-up period, 45 men died of aortic dissection and 41 men died of abdominal aortic aneurysm. Light to moderate drinkers of ≤30 g ethanol per day had lower risk of mortality from total aortic disease and aortic dissection compared to never-drinkers. The respective multivariable hazard ratios (95% confidence intervals) were 0.46 (0.28–0.76) for total aortic disease and 0.16 (0.05–0.50) for aortic dissection. Heavy drinkers of >30 g ethanol per day did not have reduced risk of mortality from total aortic disease, albeit had risk variation between aortic dissection and abdominal aortic aneurysm. Conclusions Light to moderate alcohol consumption was associated with reduced mortality from aortic disease among Japanese men.

DOI： 10.1016/j.atherosclerosis.2017.08.025

Association of high-density lipoprotein cholesterol concentration with different types of stroke and coronary heart disease: The Japan Public Health Center-based prospective (JPHC) study 査読有り国際誌

Saito, I; Yamagishi, K; Kokubo, Y; Yatsuya, H; Iso, H; Sawada, N; Inoue, M; Tsugane, S

ATHEROSCLEROSIS 265 巻頁： 147 - 154 2017年10月

Functional capacity, self-rated health status, and psychosocial characteristics of employed cancer survivors in Japan 査読有り国際誌

Katoh Y, Ota A, Yatsuya H, Li Y, Naito H, Fujisawa A, Matsunaga M, Hirakawa Y, Chiang C, Toyoshima H, Tamakoshi K, Aoyama A

Fujita Medical Journal 3 巻 ( 3 ) 頁： 55 - 61 2017年8月

担当区分：責任著者記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：藤田学園医学会

Objectives: This study investigated restrictions in functional capacity, self-rated health status (SRHS), and psychosocial characteristics of employed cancer survivors in Japan and examined differences in these characteristics between cancer survivors and employees without cancer history.Methods: A cross-sectional survey was carried out. Subjects were local government employees in Japan in 2013 (n=5,474). Using a self-administered questionnaire, we evaluated restrictions in functional capacity, SRHS, and the following psychosocial characteristics: social support, perceived stress, social capital, positive reasons for living (ikigai), and happiness. We examined whether cancer history was associated with restrictions in functional capacity, SRHS, and psychosocial characteristics.Results: A total of 112 employees were cancer survivors. Of these, males of all ages and comparatively younger females had restrictions in functional capacity more frequently than the corresponding subjects without cancer history (males of all ages: 14.5% vs. 2.9%, p<0.001; females <50 years: 15.2% vs. 1.1%, p<0.001). Among males of all ages, cancer survivors reported bad SRHS more frequently than employees without cancer history (8.1% vs. 1.5%, p=0.003). No significant differences were found in psychosocial characteristics by cancer history.Conclusions: Male and comparatively young female employed cancer survivors frequently experienced restrictions in functional capacity. Male employed cancer survivors self-rated their health status as bad more frequently than male employees without cancer history.

DOI： 10.20407/fmj.3.3_55

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A pooled analysis of the association of isolated low levels of high-density lipoprotein cholesterol with cardiovascular mortality in Japan 査読有り

Takumi Hirata, Daisuke Sugiyama, Shin-ya Nagasawa, Yoshitaka Murakami, Shigeyuki Saitoh, Akira Okayama, Hiroyasu Iso, Fujiko Irie, Toshimi Sairenchi, Yoshihiro Miyamoto, Michiko Yamada, Shizukiyo Ishikawa, Katsuyuki Miura, Hirotsugu Ueshima, Tomonori Okamura, for the Evidence for Cardiovascular Prevention from Observational Cohorts in Japan (EPOCH-JAPAN) Research Group, Hirotsugu Ueshima, Tomonori Okamura, Yutaka Imai, Takayoshi Ohkubo, Fujiko Irie, Hiroyasu Iso, Akihiko Kitamura, Yutaka Kiyohara, Katsuyuki Miura, Yoshitaka Murakami, Hideaki Nakagawa, Takeo Nakayama, Akira Okayama, Toshimi Sairenchi, Shigeyuki Saitoh, Kiyomi Sakata, Akiko Tamakoshi, Ichiro Tsuji, Michiko Yamada, Masahiko Kiyama, Yoshihiro Miyamoto, Shizukiyo Ishikawa, Hiroshi Yatsuya, Tomonori Okamura

European Journal of Epidemiology 32 巻 ( 7 ) 頁： 547 - 557 2017年7月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Springer Netherlands

Low levels of serum high-density lipoprotein cholesterol (HDL-C) have been shown to be associated with increased risk of coronary heart disease (CHD). However, because this is usually observed in the context of other lipid abnormalities, it is not known whether isolated low serum HDL-C levels are an independent risk factor for CHD. We performed a large pooled analysis in Japan using data from nine cohorts with 41,206 participants aged 40–89 years who were free of cardiovascular disease at baseline. We divided participants into three groups: isolated low HDL-C, non-isolated low HDL-C, and normal HDL-C. Cohort-stratified Cox proportional hazards models were used to estimate multivariate-adjusted hazard ratios (HRs) for death due to CHD, ischemic stroke, and intracranial cerebral hemorrhage
during a 12.9-year follow-up, we observed 355, 286, and 138 deaths, respectively, in these groups. Non-isolated low HDL-C was significantly associated with increased risk of CHD compared with normal HDL-C (HR 1.37, 95 % confidence interval (CI) 1.04–1.80)
however, isolated low HDL-C was not. Although isolated low HDL-C was significantly associated with decreased risk of CHD (HR 0.51, 95 % CI 0.29–0.89) in women, it was significantly associated with increased risk of intracranial cerebral hemorrhage in all participants (HR 1.62, 95 % CI 1.04–2.53) and in men (HR 2.00, 95 % CI 1.04–3.83). In conclusion, isolated low HDL-C levels are not associated with increased risk of CHD in Japan. CHD risk may, therefore, be more strongly affected by serum total cholesterol levels in this population.

DOI： 10.1007/s10654-016-0203-1

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Synergistic and Non-synergistic Associations for Cigarette Smoking and Non-tobacco Risk Factors for Cardiovascular Disease Incidence in the Atherosclerosis Risk In Communities (ARIC) Study 査読有り国際共著国際誌

Lubin, JH; Couper, D; Lutsey, PL; Yatsuya, H

NICOTINE & TOBACCO RESEARCH 19 巻 ( 7 ) 頁： 826 - 835 2017年7月

Matsunaga, M; Yatsuya, H; Iso, H; Yamashita, K; Li, YY; Yamagishi, K; Tanabe, N; Wada, Y; Wang, CC; Ota, A; Tamakoshi, K; Tamakoshi, A

ATHEROSCLEROSIS 261 巻頁： 124 - 130 2017年6月

担当区分：責任著者記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Atherosclerosis

Background and aims Coronary heart disease (CHD) and stroke have common risk factors, but some of these differ in the magnitude or direction of associations between CHD and stroke. We assessed whether the impact of each risk factor differed between CHD and stroke mortality in Asians. Methods In total, 104 910 subjects aged 40–79 years without histories of cancer, CHD and stroke at baseline were followed between 1988 and 2009. Competing-risks analysis was used to test for differences in the associations of each risk factor with two endpoints (CHD and stroke). Population attributable fractions (PAFs) were also calculated for these endpoints to estimate the population impact of each risk factor. Results During a median 19.1-year follow-up, 1554 died from CHD and 3163 from stroke. The association of hypertension with CHD was similar to that with stroke in terms of the magnitude and direction (multivariable-adjusted hazard ratio for CHD: 1.63 vs. stroke: 1.73 in men and 1.70 vs. 1.66 in women). Conversely, the magnitude of these associations differed for smoking (CHD: 1.95 vs. stroke: 1.23 in men and 2.45 vs. 1.35 in women) and diabetes (1.49 vs. 1.09 in men and 2.08 vs. 1.39 in women). The highest PAF for CHD was caused by smoking in men and by hypertension in women; that for stroke was caused by hypertension in both sexes. Conclusions Hypertension associations and PAFs were consistent between CHD and stroke, but not for other risk factors. These findings may be useful to optimize public health intervention strategies.

DOI： 10.1016/j.atherosclerosis.2017.03.003

Passive smoking and chronic obstructive pulmonary disease mortality: findings from the Japan collaborative cohort study 査読有り国際誌

Ukawa, S; Tamakoshi, A; Yatsuya, H; Yamagishi, K; Ando, M; Iso, H

INTERNATIONAL JOURNAL OF PUBLIC HEALTH 62 巻 ( 4 ) 頁： 489 - 494 2017年5月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：International Journal of Public Health

Objectives: To elucidate the association between passive smoking at home and chronic obstructive pulmonary disease (COPD) mortality via a large-scale nationwide cohort study in Japan. Methods: Never smokers (n = 34,604) aged 40–79 years at baseline (1988–1990; 4884 men, 29,720 women) were included in the analysis. Passive smoking at home was measured based on self-reported frequency of weekly exposure to passive smoking at home. An inverse probability of treatment-weighted competing risk model was used to calculate the hazard ratio (HR) and 95% confidence interval (CI) for COPD mortality. Results: During a median follow-up of 16.4 years, 33 participants (10 men, 23 women) died of COPD. The HR for participants exposed to passive smoking at home ≤4 days per week or those who had almost daily exposure to passive smoking at home had a significantly increased risk of COPD mortality (HR 2.40, 95% CI 1.39–4.15, HR 2.88, 95% CI 1.68–4.93, respectively). Conclusions: The present findings suggest that avoiding passive smoking at home may be beneficial for preventing death due to COPD among never smokers.

DOI： 10.1007/s00038-016-0938-1

Disparity in metabolic risk factors of non-communicable diseases between Palauans and Filipinos living in Palau 査読有り国際共著国際誌

Osako, A; Chiang, CF; Ito, K; Yatsuya, H; Hilawe, EH; Ikerdeu, E; Honjo, K; Mita, T; Cui, RZ; Hirakawa, Y; Madraisau, S; Ngirmang, G; Iso, H; Aoyama, A

NAGOYA JOURNAL OF MEDICAL SCIENCE 79 巻 ( 2 ) 頁： 157 - 165 2017年5月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Nagoya Journal of Medical Science

Non-communicable diseases have been recognized as a serious threat to public health in Palau. To tackle the problem, different strategies might be necessary for populations with different ethnic backgrounds. This study aims to find the differences in the prevalence of metabolic risk factors of non-communicable diseases between Palauans and Filipinos living in Palau, and examine possible determinants of the differences. We selected data of 2,032 participants, including native Palauans and Filipinos, from the Palau STEPS Survey 2011-2013 for this study. Logistic regression models were used to inspect the association of each metabolic risk factor with ethnicity by calculating odds ratios adjusted for potential confounding factors. Palauans had higher age-standardized prevalence of overweight or obesity (84% vs. 45%), hypertension (50% vs. 38%) and diabetes (19% vs. 13%) than Filipinos. However, after adjusting for BMI and various lifestyle related factors, there are no statistical significant differences in the prevalence of hypertension and diabetes between these two ethnic groups. Palauan men were less likely to have elevated total cholesterol, especially after adjusting for BMI (odds ratio=0.55, 95% confidence interval: 0.33-0.91), while Palauan women were more likely to have elevated triglycerides than their Filipino counterparts (odds ratio=1.45, 95% confidence interval: 1.02-2.06). Our findings suggested that Palauans' higher BMI distribution might be able to explain their higher prevalence of hypertension and partially explain their higher diabetes prevalence. Palauans were not consistently more likely to have all metabolic risk factors, namely dyslipidemia were less likely to be observed in Palauan men.

DOI： 10.18999/nagjms.79.2.157

Descriptive Epidemiology of Hypertension and Its Association With Obesity: Based on the WHO STEPwise Approach to Surveillance in Palau 査読有り国際共著国際誌

Wang, CC; Chiang, CF; Yatsuya, H; Hilawe, EH; Ikerdeu, E; Honjo, K; Mita, T; Cui, RZ; Hirakawa, Y; Madraisau, S; Iso, H; Aoyama, A

ASIA-PACIFIC JOURNAL OF PUBLIC HEALTH 29 巻 ( 4 ) 頁： 278 - 287 2017年5月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Asia-Pacific Journal of Public Health

The rise of noncommunicable diseases is a serious health burden for Palau. This study described the prevalence of hypertension, and assessed its association with obesity. Surveys following the WHO STEPwise approach to surveillance were conducted in 2529 adults. Multivariate prevalence ratios (PR) of hypertension for body mass index (BMI) categories were calculated by logistic regression models using conditional standardization procedure. Age- and sex-specified analyses were performed. Overall prevalence of obesity and hypertension were 40.4% and 46.8%, respectively. Prevalence of hypertension was positively associated with BMI. However, overweight men had as high prevalence of hypertension as the obese (multivariable-adjusted PR was 1.84 for overweight and 1.91 for obese compared with nonoverweight). The association between hypertension and BMI was similar across age groups. The prevalence of hypertension in women increased gradually with the increase of BMI whereas that in men reached a plateau already in the overweight.

DOI： 10.1177/1010539517704042

Increased airway hyperresponsiveness to adenosine in patients with aspirin intolerant asthma 査読有り国際誌

Isogai, S; Niwa, Y; Yatsuya, H; Hayashi, M; Yamamoto, N; Okamura, T; Minezawa, T; Goto, Y; Yamaguchi, T; Takeyama, T; Sakakibara, Y; Morikawa, S; Horiguchi, T; Gotoh, Y; Mieno, Y; Uozu, S; Nakanishi, T; Okazawa, M; Sakakibara, H; Imaizumi, K

ALLERGOLOGY INTERNATIONAL 66 巻 ( 2 ) 頁： 360 - 362 2017年4月

Long-term weight-change slope, weight fluctuation and risk of type 2 diabetes mellitus in middle-aged Japanese men and women: findings of Aichi Workers' Cohort Study 査読有り国際誌

Zhang, Y; Yatsuya, H; Li, Y; Chiang, C; Hirakawa, Y; Kawazoe, N; Tamakoshi, K; Toyoshima, H; Aoyama, A

NUTRITION & DIABETES 7 巻 ( 3 ) 頁： e252 2017年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Nutrition and Diabetes

OBJECTIVE: This study aims to investigate the association of long-term weight-change slopes, weight fluctuation and the risk of type 2 diabetes mellitus (T2DM) in middle-aged Japanese men and women. METHODS: A total of 4234 participants of Aichi Workers' Cohort Study who were aged 35-66 years and free of diabetes in 2002 were followed through 2014. Past body weights at the ages of 20, 25, 30, 40 years, and 5 years before baseline as well as measured body weight at baseline were regressed on the ages. Slope and root-mean-square-error of the regression line were obtained and used to represent the weight changes and the weight fluctuation, respectively. The associations of the weight-change slopes and the weight fluctuation with incident T2DM were estimated by Cox proportional hazards models. RESULTS: During the median follow-up of 12.2 years, 400 incident cases of T2DM were documented. After adjustment for baseline overweight and other lifestyle covariates, the weight-change slopes were significantly associated with higher incidence of T2DM (hazard ratio (HR): 1.80, 95% confident interval (CI): 1.17-2.77 for men; and HR: 2.78, 95% CI: 1.07-7.23 for women), while the weight fluctuation was not (HR: 1.08, 95% CI: 1.00-1.18 for men and HR: 1.02, 95% CI: 0.84-1.25 for women). CONCLUSIONS: Regardless of the presence of overweight, the long-term weight-change slopes were significantly associated with the increased risk of T2DM; however, the weight fluctuation was not associated with the risk of T2DM in middle-aged Japanese men and women.

DOI： 10.1038/nutd.2017.5

Daily Walking Time and Pneumonia Mortality Among Elderly With/Without Medical History of Myocardial Infarction or Stroke 査読有り

Ukawa Shigekazu, Zhao Wenjing, Yatsuya Hiroshi, Yamagishi Kazumasa, Iso Hiroyasu, Tamakoshi Akiko

CIRCULATION 135 巻 2017年3月

A Point-based Prediction Model for Predicting 10-year Risk of Developing Type 2 Diabetes Mellitus in Japanese Men: Aichi Workers' Cohort Study 査読有り

Li, YY; Yatsuya, H; Hirakawa, Y; Ota, A; Matsunaga, M; Haregot, HE; Chiang, CF; Zhang, Y; Tamakoshi, K; Toyoshima, H; Aoyama, A

CIRCULATION 135 巻 2017年3月

Daily Walking Time and Pneumonia Mortality Among Elderly With/Without Medical History of Myocardial Infarction or Stroke 査読有り

Shigekazu Ukawa, Wenjing Zhao, Hiroshi Yatsuya, Kazumasa Yamagishi, Hiroyasu Iso, Akiko Tamakoshi

CIRCULATION 135 巻 2017年3月

No modifying effect of education level on the association between lifestyle behaviors and cardiovascular mortality: the Japan Collaborative Cohort Study 査読有り国際誌

Eguchi, E; Iso, H; Honjo, K; Yatsuya, H; Tamakoshi, A

SCIENTIFIC REPORTS 7 巻頁： 39820 2017年1月

Population profile and residential environment of an urban poor community in Dhaka, Bangladesh 査読有り国際共著国際誌

Khalequzzaman, M; Chiang, CF; Hoque, BA; Choudhury, SR; Nizam, S; Yatsuya, H; Matsuyama, A; Hirakawa, Y; Islam, SS; Iso, H; Aoyama, A

ENVIRONMENTAL HEALTH AND PREVENTIVE MEDICINE 22 巻 ( 1 ) 頁： 1 2017年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Environmental Health and Preventive Medicine

Objectives: A population survey was conducted in an urban shantytown in Bangladesh, as a baseline study of future epidemiological studies. This paper aims to describe the findings of the study, including the population profile and residential environment of the urban poor. Methods: We conducted a complete count household survey in an urban poor community in Dhaka. Using a brief structured questionnaire in Bengali language, trained interviewers visited each household and asked questions such as: duration of residence; ownership of house, toilet and kitchen; water supply; number of family members; age, sex, education, occupation, tobacco use, and history of diseases of each family member. Results: We found that there were 8604 households and 34,170 people in the community. Average number of household members was 4.0. Most people had access to safe water, but only 16% lived in the house with a toilet. Based on the proxy indicators of household wealth levels, we identified that about 39% were relatively well-off, while the rest were very poor. Tobacco use was prevalent in men regardless of age and in women aged over 35 years. Prevalence of self-reported hypertension and diabetes was slightly higher in women than in men, although over 70% of the respondents didn't know if they had such diseases. Incidences of diarrhea in the last one month were relatively low. Conclusions: The study showed population profile and sanitation environment in an urban poor community by a complete count survey. We expect the study to serve as a baseline for future epidemiological studies.

DOI： 10.1186/s12199-017-0610-2

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