Nagano Prefectural Saku Public Health Center

Nagano-shi, Japan

Nagano Prefectural Saku Public Health Center

Nagano-shi, Japan
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Kobayashi T.,Osaka University | Honjo K.,Osaka University | Eshak E.S.,Osaka University | Eshak E.S.,Minia University | And 31 more authors.
PLoS ONE | Year: 2017

To examine associations between work-family conflict and self-rated health among Japanese workers and to determine whether the associations differed by household income. Data was derived from the Japan Public Health Center-based Prospective Study for the Next Generation in Saku area in 2011-2012 (7,663 men and 7,070 women). Multivariate odds ratios (ORs) and 95% confidence intervals (CIs) for poor self-rated health by work- family conflict consisting of two dimensions (work-to-family and family-to-work conflicts) were calculated by gender and household income. Multivariate ORs of high work-to-family and family-to-work conflicts for poor self-rated health were 2.46 (95% CI; 2.04-2.97) for men and 3.54 (95% CI; 2.92-4.30) for women, with reference to the low work-to-family and family-to-work conflicts (p-value for gender interaction = 0.02). Subgroup analysis indicated that health effects of work-family conflict were likely to be more evident in the low income group only among women. Work-family conflict was associated with poor self-rated health among middle-aged Japanese men and women; its health impact was relatively stronger among women, and particularly economically disadvantaged women. Copyright: © 2017 Kobayashi et al.This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Akter S.,Center for Clinical science | Nanri A.,Center for Clinical science | Mizoue T.,Center for Clinical science | Noda M.,Center for Clinical science | And 132 more authors.
American Journal of Clinical Nutrition | Year: 2017

Background: Diet-induced metabolic acidosis has been linked to cardiometabolic abnormalities including hypertension and type 2 diabetes. However, there are limited data on its association with other chronic diseases and mortality. Objective: The present study aimed to examine the association between dietary acid load and total and cause-specific mortality. Design: This study was a large-scale, population-based, prospective cohort study in Japan involving 42,736 men and 49,742 women, aged 45-75 y, who had no history of cancer, stroke, ischemic heart disease (IHD), or chronic liver disease at baseline. Dietary intake was assessed by using a validated 147-item food-frequency questionnaire. Potential renal acid load (PRAL) and net endogenous acid production (NEAP) scores were derived from nutrient intake. Death and cause of death were identified by using the residential registry and death certificates. Cox proportional hazards regression was used to estimate HRs and 95% CIs for total and cause-specific mortality with adjustment for potential confounding variables. Results: During a median follow-up of 16.9 y, 12,993 total deaths occurred. A higher PRAL score was associated with higher total mortality: the multivariable-adjusted HR for total mortality for the highest compared with the lowest quartiles of PRAL scores was 1.13 (95% CI: 1.07, 1.18; P-trend < 0.001). This score was positively associated with mortality from cardiovascular disease (CVD) and particularly from IHD; the HRs (95% CIs) for the highest compared with the lowest quartile of PRAL score were 1.16 (1.06, 1.28) and 1.16 (1.02, 1.33) for CVD and IHD mortality, respectively. There was no association between PRAL score and cancer mortality. Similar associations were observed between NEAP score and total and cause-specific mortality. Conclusion: A high dietary acid load score was associated with a higher risk of total mortality and mortality from CVD, particularly from IHD, in Japanese adults. © 2017 American Society for Nutrition.


Inoue M.,Research Center for Cancer Prevention and Screening | Tsugane S.,Research Center for Cancer Prevention and Screening | Sobue T.,National Cancer Center | Hanaoka T.,National Cancer Center | And 99 more authors.
Journal of Epidemiology and Community Health | Year: 2011

Background: Few studies have examined the impact of weight change in different periods of lifetime on type 2 diabetes risk, and the association of weight loss with type 2 diabetes is unclear. We prospectively investigated the association of weight change since age 20 y and that during middle-to-late adulthood with the incidence of type 2 diabetes. Methods: Subjects were 52 014 men and women aged 45-75 y who participated in the Japan Public Health Center-Based Prospective Study and had no history of diabetes. ORs of self-reported physician-diagnosed type 2 diabetes for weight change between age 20 y and baseline survey (mean age 50.6 y) and during 5 y between baseline and second surveys were estimated using logistic regression analysis. Results: During the 5-year period following 5-year survey, 989 newly diagnosed cases of type 2 diabetes were self-reported. Weight gain from age 20 y was associated with an increased risk of type 2 diabetes. The multivariate-adjusted OR (95% CI) for a weight gain of ≥5 kg versus a stable weight were 2.61 (2.11 to 3.23) in men and 2.56 (1.95 to 3.35) in women. A weight gain of ≥5 kg over the 5-y following the baseline survey was also associated with an increased risk in women. No association with weight loss was observed for either period. Conclusions: These results suggest that long-term weight gain from early adulthood to middle-age increases risk of type 2 diabetes in men and women and that risk is further enhanced by weight gain in later life in women.


Hanibuchi T.,Chukyo University | Nakaya T.,Ritsumeikan University | Honjo K.,Osaka University | Ikeda A.,Epidemiology and Prevention Group | And 141 more authors.
Health and Place | Year: 2015

The purpose of this study is to explore neighborhood contextual factors in terms of smoking behaviors among middle-aged Japanese, by using a multilevel analysis. Subjects were Japanese men and women, between 40 and 59 years of age (40,961 for the cross-sectional analysis, and 9,177 for the longitudinal analysis), nested in 39 neighborhoods (. Kyuson). The results showed that women in a less residentially stable neighborhood were more likely to be smokers. No associations were seen between current smoking and neighborhood deprivation; however, women in the most deprived neighborhood were more likely to quit smoking. This study is the first to demonstrate the associations between neighborhood environment and current smoking or smoking cessation, in a Japanese setting. The findings imply that policy makers should consider targeting neighborhood conditions in order to help reduce smoking prevalence, especially among women. © 2014 Elsevier Ltd.

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