Kazutoshi Nakamura

Summary

Affiliation: Niigata University
Country: Japan

Publications

  1. pmc Association between activities of daily living and mortality among institutionalized elderly adults in Japan
    Akemi Nakazawa
    Department of Nursing, Tohto College of Health Sciences, Fukaya, Saitama, Japan
    J Epidemiol 22:501-7. 2012
  2. doi request reprint Effect of low-dose calcium supplements on bone loss in perimenopausal and postmenopausal Asian women: a randomized controlled trial
    Kazutoshi Nakamura
    Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan
    J Bone Miner Res 27:2264-70. 2012
  3. doi request reprint Nutritional and biochemical parameters associated with 6-year change in bone mineral density in community-dwelling Japanese women aged 69 years and older: The Muramatsu Study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata 951 8510, Japan
    Nutrition 28:357-61. 2012
  4. ncbi request reprint Nutrition, mild hyperparathyroidism, and bone mineral density in young Japanese women
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan
    Am J Clin Nutr 82:1127-33. 2005
  5. ncbi request reprint Vitamin D insufficiency in Japanese populations: from the viewpoint of the prevention of osteoporosis
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    J Bone Miner Metab 24:1-6. 2006
  6. ncbi request reprint Serum 25-hydroxyvitamin D levels and activities of daily living in noninstitutionalized elderly Japanese requiring care
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    J Bone Miner Metab 23:488-94. 2005
  7. ncbi request reprint Correlations between bone mineral density and demographic, lifestyle, and biochemical variables in community-dwelling Japanese women 69 years of age and over
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    Osteoporos Int 17:1202-7. 2006
  8. doi request reprint Fracture incidence in nursing homes in Japan
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Chuo Ku, Niigata, Japan
    Osteoporos Int 21:797-803. 2010
  9. pmc Efficacy of optimization of vitamin D in preventing osteoporosis and osteoporotic fractures: A systematic review
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, 951 8510, Niigata City, Japan
    Environ Health Prev Med 11:155-70. 2006
  10. pmc Vitamin D and prevention of osteoporosis: Japanese perspective
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, I 757 Asahimachi dori, 951 8510, Niigata City, Japan
    Environ Health Prev Med 11:271-6. 2006

Collaborators

Detail Information

Publications81

  1. pmc Association between activities of daily living and mortality among institutionalized elderly adults in Japan
    Akemi Nakazawa
    Department of Nursing, Tohto College of Health Sciences, Fukaya, Saitama, Japan
    J Epidemiol 22:501-7. 2012
    ..We assessed the association between activities of daily living (ADL) and mortality among nursing home residents in Japan...
  2. doi request reprint Effect of low-dose calcium supplements on bone loss in perimenopausal and postmenopausal Asian women: a randomized controlled trial
    Kazutoshi Nakamura
    Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan
    J Bone Miner Res 27:2264-70. 2012
    ..Calcium supplementation dosage should thus be reassessed. (Clinical Trials Registry number: UMIN000001176)...
  3. doi request reprint Nutritional and biochemical parameters associated with 6-year change in bone mineral density in community-dwelling Japanese women aged 69 years and older: The Muramatsu Study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata 951 8510, Japan
    Nutrition 28:357-61. 2012
    ..Predictors of bone loss in elderly Asian women have been unclear. This cohort study aimed to assess lifestyle, nutritional, and biochemical predictors of bone loss in elderly Japanese women...
  4. ncbi request reprint Nutrition, mild hyperparathyroidism, and bone mineral density in young Japanese women
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan
    Am J Clin Nutr 82:1127-33. 2005
    ..The adverse effects of poor nutrition on the bones of young Asian women have not been fully elucidated...
  5. ncbi request reprint Vitamin D insufficiency in Japanese populations: from the viewpoint of the prevention of osteoporosis
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    J Bone Miner Metab 24:1-6. 2006
    ..Future studies should focus on the effects of low vitamin D status on bone mass and fractures in Japanese subjects...
  6. ncbi request reprint Serum 25-hydroxyvitamin D levels and activities of daily living in noninstitutionalized elderly Japanese requiring care
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    J Bone Miner Metab 23:488-94. 2005
    ..In addition, maintenance of serum 25(OH)D concentrations above 50 nmol/l may prevent hypovitaminosis D-induced hyperparathyroidism...
  7. ncbi request reprint Correlations between bone mineral density and demographic, lifestyle, and biochemical variables in community-dwelling Japanese women 69 years of age and over
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    Osteoporos Int 17:1202-7. 2006
    ..The purpose of this study was to identify demographic, lifestyle, and biochemical factors correlated with BMD in elderly Japanese women 69 years of age and over...
  8. doi request reprint Fracture incidence in nursing homes in Japan
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Chuo Ku, Niigata, Japan
    Osteoporos Int 21:797-803. 2010
    ..Specific fracture prevention strategies for institutionalized people are needed. Ethnic differences in fracture incidence are also discussed...
  9. pmc Efficacy of optimization of vitamin D in preventing osteoporosis and osteoporotic fractures: A systematic review
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, 951 8510, Niigata City, Japan
    Environ Health Prev Med 11:155-70. 2006
    ..For question 3, some lines of evidence support the negative effect of low vitamin D nutrition on the attainment of peak bone mass in young women. Further studies are needed to clarify the effect of vitamin D in this age group...
  10. pmc Vitamin D and prevention of osteoporosis: Japanese perspective
    Kazutoshi Nakamura
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, I 757 Asahimachi dori, 951 8510, Niigata City, Japan
    Environ Health Prev Med 11:271-6. 2006
    ..Intervention studies targeting Japanese populations are required to further address this issue...
  11. pmc Positive predictive values for self-reported fractures in an adult Japanese population
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Environ Health Prev Med 16:129-32. 2011
    ..However, to data, no studies in Japan have confirmed the accuracy of this approach in this context. The aim of the study reported here was to determine the positive predictive value (PPV) for the self-reporting of fractures...
  12. pmc Vitamin D nutritional status of women living on a solitary island in Japan: A population-based study
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, 1 757 Asahimachi dori, 951 8510, Niigata City, Japan
    Environ Health Prev Med 5:49-52. 2000
    ..Further research should be directed toward darifying which dietary factors determine vitamin D nutrition...
  13. doi request reprint Low calcium intake is associated with increased bone resorption in postmenopausal Japanese women: Yokogoshi Study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata City 951 8510, Japan
    Public Health Nutr 12:2366-70. 2009
    ..The aim of the present study was to determine the relationship between Ca intake and serum markers of bone turnover in postmenopausal Japanese women...
  14. ncbi request reprint Microscopic hematuria is associated with low bone mineral density in aged women and men
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Graduate School of Medical and Dental Sciences, Niigata University, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    J Bone Miner Metab 27:251-4. 2009
    ..67 x 10(-3), R (2) = 0.006, p = 0.0163 for men). Microscopic hematuria is associated with forearm BMD in women and men aged 50 years and over. Further studies should be conducted to determine the mechanisms underlying this association...
  15. doi request reprint Calcium intake and the 10-year incidence of self-reported vertebral fractures in women and men: the Japan Public Health Centre-based Prospective Study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    Br J Nutr 101:285-94. 2009
    ..92 (95% CI 1.28, 2.88). However, no such association was observed in men. An increase of Ca intake should be considered as a preventive strategy for vertebral fractures in peri- and post-menopausal women with a low Ca intake...
  16. doi request reprint Vitamin D sufficiency is associated with low incidence of limb and vertebral fractures in community-dwelling elderly Japanese women: the Muramatsu Study
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Osteoporos Int 22:97-103. 2011
    ..We conducted a 6-year cohort study of 773 community-dwelling elderly Japanese women and found that serum 25-hydroxyvitamin D (25(OH)D) ≥ 71 nmol/L was associated with a reduced risk of osteoporotic limb and vertebral fractures...
  17. ncbi request reprint Magnesium intake and bone mineral density in young adult women
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata City 951 8510, Japan
    Magnes Res 20:250-3. 2007
    ..In conclusion, we did not find an association between magnesium intake and bone mass in young women, and calcium intake needs to be included as an important, potential confounding factor when exploring such an association...
  18. ncbi request reprint Vitamin D status, bone mass, and bone metabolism in home-dwelling postmenopausal Japanese women: Yokogoshi Study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    Bone 42:271-7. 2008
    ....
  19. ncbi request reprint Age-related decrease in serum 25-hydroxyvitamin D concentrations in the frail elderly: a longitudinal study
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    J Bone Miner Metab 25:232-6. 2007
    ..103, P = 0.0037). In conclusion, serum 25(OH)D concentrations decreased in the 2-year follow-up. This information is useful for the maintenance of vitamin D status and prevention of vitamin D insufficiency in the frail elderly...
  20. doi request reprint C-reactive protein predicts incident fracture in community-dwelling elderly Japanese women: the Muramatsu study
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Osteoporos Int 22:2145-50. 2011
    ..Mechanisms explaining such an association should be further studied...
  21. doi request reprint Prior nonhip limb fracture predicts subsequent hip fracture in institutionalized elderly people
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Osteoporos Int 21:1411-6. 2010
    ..14), independent of activities of daily living (ADL), mobility, dementia, weight, and type of nursing home. Prior nonhip fractures are useful for predicting of hip fracture in institutional settings...
  22. ncbi request reprint Increases in body mass index and waist circumference as outcomes of working overtime
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Japan
    Occup Med (Lond) 48:169-73. 1998
    ..Additionally, eating habits of those with working overtime might reflect an intervening effect on the anthropometric changes...
  23. ncbi request reprint Low serum concentrations of 25-hydroxyvitamin D in young adult Japanese women: a cross sectional study
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Nutrition 17:921-5. 2001
    ....
  24. ncbi request reprint Vitamin D insufficiency in Japanese female college students: a preliminary report
    K Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Int J Vitam Nutr Res 71:302-5. 2001
    ..Moreover, low levels of 25(OH)D in young women may adversely affect bone strength. An additional, newly designed epidemiological study with a sufficient sample size is needed to confirm the present findings...
  25. ncbi request reprint Correlation between a liking for fat-rich foods and body fatness in adult Japanese: a gender difference
    K Nakamura
    Department of Hygiene and Preventive Medicine, Fukushima Medical College, Niigata University School of Medicine, Niigata, Japan
    Appetite 36:1-7. 2001
    ..For females, such findings were not evident. There is a gender difference in the association between a liking for fat-rich foods and body fatness. The difference may be due to a female-specific attitude toward high-calorie foods...
  26. ncbi request reprint Age and sex differences in the bone mineral density of the distal forearm based on health check-up data of 6343 Japanese
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Japan
    Osteoporos Int 11:772-7. 2000
    ..In comparison with data previously reported, we did not find any evidence of racial differences in BMD as an explanation for the lower incidence of osteoporotic fractures in Japan...
  27. ncbi request reprint Summer/winter differences in the serum 25-hydroxyvitamin D3 and parathyroid hormone levels of Japanese women
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Niigata City, Japan
    Int J Biometeorol 44:186-9. 2000
    ..Sun bathing would be a less effective means of attaining adequate vitamin D nutritional status in a person with a small seasonal difference in 25(OH)D3, i.e., one with a low 25(OH)D3 level...
  28. ncbi request reprint Prevalence of anorexia nervosa and bulimia nervosa in a geographically defined area in Japan
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Niigata, Japan
    Int J Eat Disord 28:173-80. 2000
    ..Little has been understood regarding the frequency of eating disorders in Japan. This study was designed to identify the prevalence of anorexia nervosa (AN) and bulimia nervosa (BN) in Japan...
  29. ncbi request reprint Serum 25-hydroxyvitamin D concentrations and related dietary factors in peri- and postmenopausal Japanese women
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Niigata, Japan
    Am J Clin Nutr 71:1161-5. 2000
    ..Few studies of vitamin D nutrition in Asian populations have been conducted...
  30. ncbi request reprint Serum 25-hydroxyvitamin D levels in active women of middle and advanced age in a rural community in Japan
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Japan
    Nutrition 15:870-3. 1999
    ..Studies to elucidate and assess the dietary intake of vitamin D in Japanese women can be of further benefit...
  31. ncbi request reprint Eating problems and related weight control behaviour in adult Japanese women
    K Nakamura
    Department of Hygiene and Preventive Medicine, Niigata University School of Medicine, Niigata, Japan
    Psychother Psychosom 68:51-5. 1999
    ..The aims of this study are to ascertain the proportion of eating problems and clarify weight control behaviour in adult Japanese women...
  32. ncbi request reprint Associations between anthropometric indices of adiposity and atherogenic risk factors in Japanese working women aged 21-40 years
    K Nakamura
    Department of Hygiene and Preventive Medicine, Fukushima Medical College, Japan
    Eur J Epidemiol 14:663-8. 1998
    ..We found that BMI and skinfold thickness were more relevant to the prediction of atherogenic risk factors than WHR in young adult Japanese women...
  33. ncbi request reprint Fish as a major source of vitamin D in the Japanese diet
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Nutrition 18:415-6. 2002
    ..We investigated the amount and sources of vitamin D in the Japanese diet by analyzing diet records collected over a 4-mo period...
  34. ncbi request reprint Correlates of bone mineral density in elderly women living in nursing homes for the disabled in Japan
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Aging Clin Exp Res 14:485-90. 2002
    ..Characteristics of bone aging in the institutionalized elderly are not well known. The aim of this study was to determine the factors correlated with the forearm bone mineral density (BMD) in elderly women with disability...
  35. ncbi request reprint Threshold value of serum 25-hydroxyvitamin D concentration in relation to elevated serum parathyroid hormone concentrations in elderly Japanese women
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    J Bone Miner Metab 24:395-400. 2006
    ..70 pmol/l, P = 0.9975) was not. We conclude that serum 25(OH)D for ambulant elderly Japanese women should be maintained at 40 nmol/l or higher...
  36. ncbi request reprint Nutritional covariates of dietary calcium in elderly Japanese women: results of a study using the duplicate portion sampling method
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Nutrition 19:922-5. 2003
    ....
  37. ncbi request reprint Dietary calcium, sodium, phosphorus, and protein and bone metabolism in elderly Japanese women: a pilot study using the duplicate portion sampling method
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Nutrition 20:340-5. 2004
    ..The purpose of this study was to determine the effect of dietary intake of calcium (Ca), phosphorus (P), sodium (Na), and protein on bone metabolism in elderly Japanese women by the duplicate portion sampling method...
  38. ncbi request reprint Effect of genetic predisposition on the risk of gallbladder cancer in Hungary
    Akira Kimura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Asian Pac J Cancer Prev 9:391-6. 2008
    ..8; 95% CI: 1.2-12.8). The Val allele may contribute to the development of GBC not only in Japanese but also in Hungarian women. Our results provide a rationale for further studies of genetic variation on the risk of GBC in Hungary...
  39. doi request reprint High serum 25-hydroxyvitamin D levels do not retard postmenopausal bone loss in Japanese women: the Yokogoshi study
    Kaori Kitamura
    Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Arch Osteoporos 8:153. 2013
    ..High serum 25(OH)D levels do not retard postmenopausal bone loss within the lumbar spine or femoral neck, and high PTH levels potentially increase hip bone loss...
  40. ncbi request reprint Evidence that genetic variants of metabolic detoxication and cell cycle control are not related to gallbladder cancer risk in Chilean women
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Int J Biol Markers 25:75-8. 2010
    ..We aimed to examine the associations of cytochrome P450 1A1 (CYP1A1), glutathione S-transferase class mu (GSTM1), and tumor protein p53 (TP53) polymorphisms with the risk of GBC in Chilean women...
  41. ncbi request reprint Low body mass index and low serum albumin are predictive factors for short-term mortality in elderly Japanese requiring home care
    Kaori Kitamura
    Department of Nursing, Niigata University of Health and Welfare, Niigata, Japan
    Tohoku J Exp Med 221:29-34. 2010
    ..We conclude that low BMI and low serum albumin are strong predictors of 2-year mortality in frail elderly individuals, and that nutritional risk should appropriately be evaluated for elderly people requiring home care...
  42. doi request reprint Change in bone mineral density and tooth loss in Japanese community-dwelling postmenopausal women: a 5-year cohort study
    Masanori Iwasaki
    Division of Preventive Dentistry, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2 5274 Gakkocho dori, Chuo Ku, Niigata 951 8514, Japan
    J Bone Miner Metab 30:447-53. 2012
    ..27 (1.01-1.59) for the femoral neck, respectively. In conclusion, a significant relationship exists between a change in BMD and the number of lost teeth during 5-year study period in Japanese community-dwelling postmenopausal women...
  43. ncbi request reprint Physical activity and 5-year changes in physical performance tests and bone mineral density in postmenopausal women: the Yokogoshi Study
    Kaori Kitamura
    Department of Nursing, Niigata University of Health and Welfare, Kita ku, Niigata City, Japan
    Maturitas 70:80-4. 2011
    ..The aim of this study was to determine the relationship between physical activity and 5-year changes in physical performance tests and bone mineral density (BMD) in postmenopausal women...
  44. doi request reprint Association between periodontitis and systemic bone mineral density in Japanese community-dwelling postmenopausal women
    Osamu Takahashi
    Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2 5274 Gakkocho dori, Niigata 951 8514, Japan
    J Dent 40:304-11. 2012
    ....
  45. pmc Genetic variants involved in gallstone formation and capsaicin metabolism, and the risk of gallbladder cancer in Chilean women
    Sergio Baez
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata 951 8510, Japan
    World J Gastroenterol 16:372-8. 2010
    ..To determine the effects of genetic variants associated with gallstone formation and capsaicin (a pungent component of chili pepper) metabolism on the risk of gallbladder cancer (GBC)...
  46. ncbi request reprint Intakes of calcium and other nutrients related to bone health in Japanese female college students: a study using the duplicate portion sampling method
    Kimiko Ueno
    Department of Nursing, School of Health Sciences, Niigata University 2 746, Asahimachi Dori, Niigata City, Japan
    Tohoku J Exp Med 206:319-26. 2005
    ..161, p < 0.001), but not with CER score (p = 0.378). Female college students are at high risk for poor Ca nutrition. Low intake of nutrients relevant to bone health is considered to adversely affect bone metabolism in young women...
  47. ncbi request reprint Mutagenicity and mutagens of the red chili pepper as gallbladder cancer risk factor in Chilean women
    Yasuo Tsuchiya
    Department of Clinical Engeneering and Medical Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, Niigata, Japan
    Asian Pac J Cancer Prev 12:471-6. 2011
    ..4 ng/g and 0.5 ng/g, respectively. Our findings suggest that low-level but protracted exposure to aflatoxins may be associated with the development of GBC in Chilean women who carry gallstones...
  48. pmc Determination of whether the association between serum albumin and activities of daily living in frail elderly people is causal
    Kaori Kitamura
    Department of Nursing, Niigata University of Health and Welfare, 1398 Shimami cho, Kita ku, Niigata 951 3198, Japan
    Environ Health Prev Med 17:164-8. 2012
    ..The purpose of this study was to determine whether a causal association exists between serum albumin and ADL levels...
  49. doi request reprint The association between renal function and tooth loss in Japanese community-dwelling postmenopausal women
    Akihiro Yoshihara
    Department of Oral Health Science, Division of Preventive Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Chuo Ku, Niigata, Japan
    Gerodontology 29:e363-7. 2012
    ..This study examined whether low renal function is associated with the number of remaining teeth among community-dwelling elderly Japanese...
  50. ncbi request reprint Appropriate waist circumference cutoff values for persons with multiple cardiovascular risk factors in Japan: a large cross-sectional study
    Sachiko Narisawa
    Department of Nursing, School of Health Sciences, Niigata University, Japan
    J Epidemiol 18:37-42. 2008
    ..In this study we aimed to analyze the health-check examination data from a large Japanese population and propose a revised waist circumference cutoff value...
  51. ncbi request reprint Polymorphisms of cytochrome P450 1A1, glutathione S-transferase class mu, and tumour protein p53 genes and the risk of developing gallbladder cancer in Japanese
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Division of Social and Environmental Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, Japan
    Clin Biochem 40:881-6. 2007
    ....
  52. ncbi request reprint [Vitamin D insufficiency in Japanese adults]
    Kazutoshi Nakamura
    Niigata University Graduate School of Medical and Dental Sciences, Department of Community Preventive Medicine
    Clin Calcium 16:1096-1101. 2006
    ..Overall findings highlight the need for measurement of serum 25 (OH) D to become a more common medical examination to detect vitamin D insufficiency in the elderly...
  53. ncbi request reprint Health characteristics of elderly Japanese requiring care at home
    Tomoko Nishiwaki
    Department of Nursing, School of Health Sciences, Niigata University, Japan
    Tohoku J Exp Med 205:231-9. 2005
    ..In conclusion, it is important to strengthen the muscles of the upper half of the body, and to correct depressed moods for maintaining levels of ADL in the elderly requiring care at home...
  54. pmc Association between body mass index and mortality among institutionalized elderly adults in Japan
    Akemi Nakazawa
    Department of Nursing, Faculty of Health Sciences, Ryotokuji University, 5 8 1 Akemi, Urayasu, 279 8567, Japan
    Environ Health Prev Med 18:502-6. 2013
    ..The purpose of this study is to assess the association between body mass index (BMI) and mortality among nursing home residents in Japan...
  55. ncbi request reprint [Fracture-related medical cost of aged people in Niigata Prefecture, Japan: analysis of data from health insurance claims]
    Mari Oyama
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Nihon Eiseigaku Zasshi 62:967-75. 2007
    ..The purpose of this study is to determine the fracture-related medical cost of aged people to reduce such cost...
  56. pmc Psychological recovery 5 years after the 2004 Niigata-Chuetsu earthquake in Yamakoshi, Japan
    Kazutoshi Nakamura
    Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    J Epidemiol 24:125-31. 2014
    ..The 2004 Niigata-Chuetsu earthquake of Japan caused considerable damage. We assessed long-term changes in psychological distress among earthquake victims during the period 5 years after the earthquake...
  57. ncbi request reprint Development of a simple food frequency questionnaire to estimate intakes of calcium and other nutrients for the prevention and management of osteoporosis
    Kazuhiro Uenishi
    Laboratory of Physiological Nutrition, Kagawa Nutrition University, Saitama, Japan
    J Nutr Sci Vitaminol (Tokyo) 54:25-9. 2008
    ..Although it can also measure intakes of dietary vitamin A, vitamin D, vitamin K, NaCl, and energy, further improvement is needed to measure intakes of these nutrients and energy...
  58. ncbi request reprint [Genetic susceptibility to gallbladder cancer in Japanese]
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    Nihon Rinsho 64:336-8. 2006
  59. ncbi request reprint Contamination of the Shinano River water with mutagenic substances after the Niigata Chuetsu Earthquake
    Takanori Fujimoto
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Japan
    Tohoku J Exp Med 211:171-80. 2007
    ..Our findings indicate that either fluoranthene or pyrene was mainly responsible for the mutagenicity of the river water in December 2004, suggesting the possibility of oil contamination caused by the Niigata Chuetsu Earthquake...
  60. pmc Endocrine disrupting chemicals in Hungarian canned foods
    Masaharu Yamamoto
    Div of Social and Environmental Medicine Dept of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 951 8510, Niigata City, Japan
    Environ Health Prev Med 6:273-5. 2002
    ..Of eighteen organochloride compounds examined, only DDT and its metabolites were detected in fish, animal meat, and animal liver. It is suggested that the DDT contamination in fish and meat is worldwide even after the ban of its use...
  61. ncbi request reprint Antibacterial effects of chitosan solution against Legionella pneumophila, Escherichia coli, and Staphylococcus aureus
    Takanori Fujimoto
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951 8510, Japan
    Int J Food Microbiol 112:96-101. 2006
    ..We observed the antibacterial activity of chitosan solution against L. pneumophila SG1 and SG6, and E. coli, suggesting it may be due to the decreased pH value derived from organic acids rather than from chitosan itself or dJSPW...
  62. ncbi request reprint Demographic characteristics of 3,659 Japanese patients with obstructive sleep apnea-hypopnea syndrome diagnosed by full polysomnography: associations with apnea-hypopnea index
    Fumi Ohdaira
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    Sleep Breath 11:93-101. 2007
    ..In addition, underweight patients exhibit more severe OSAHS than normal weight patients...
  63. ncbi request reprint Free fatty acid concentrations in gallbladder bile collected from Chilean patients with gallstones
    Yasuo Tsuchiya
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata 951 8510, Japan
    Clin Biochem 39:410-3. 2006
    ....
  64. pmc Bone fracture in physically disabled children attending schools for handicapped children in Japan
    Keiko Maruyama
    Department of Nursing, Niigata University of Health and Welfare, 1398 Shimami cho, Kita ku, Niigata, 951 3198, Japan
    Environ Health Prev Med 15:135-40. 2010
    ..The aim of this study was to clarify the frequency and risk factors of bone fracture in physically disabled children in Japan...
  65. ncbi request reprint Effects of desalted deep seawater on hematologic and blood chemical values in mice
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    Tohoku J Exp Med 203:175-82. 2004
    ..Effects of diluted dDSW on hematologic and blood chemical values in mice are thought to be similar to those of purified water. This finding suggests that dDSW is as safe as purified water for drinking water...
  66. pmc Social network disruption as a major factor associated with psychological distress 3 years after the 2004 Niigata-Chuetsu earthquake in Japan
    Mari Oyama
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata 951 8510, Japan
    Environ Health Prev Med 17:118-23. 2012
    ..The aim of this study was to determine factors associated with psychological distress in people living in a town at the epicenter 3 years after the earthquake...
  67. ncbi request reprint Factors affecting short-term mortality in very low birth weight infants in Japan
    Rieko Oshiki
    Department of Physical Therapy, Niigata University of Health and Welfare, Shimami cho, Niigata, Japan
    Tohoku J Exp Med 205:141-50. 2005
    ..Furthermore, early treatment and improved perinatal management of congenital heart diseases and neonatal asphyxia are anticipated to reduce the overall death rate of VLBWIs...
  68. pmc Effects of hot deep seawater bathing on the immune cell distribution in peripheral blood from healthy young men
    Yasuo Tsuchiya
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, 951 8510, Niigata, Japan
    Environ Health Prev Med 8:161-5. 2003
    ..To clarify the health effects of DSW as compared with surface seawater (SSW) or tap water (TW), we investigated the changes of immune cell distribution of the peripheral blood, or subjective judgment scores, after hot water bathing...
  69. doi request reprint [Bone and Men's Health. Microscopic hematuria and bone mineral density]
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    Clin Calcium 20:246-57. 2010
    ..Nevertheless, evidence on renal and urological risk factors for osteoporosis is sparse, and thus further research is needed...
  70. ncbi request reprint Unhealthy maternal lifestyle leads to rapid infant weight gain: prevention of future chronic diseases
    Mari Oyama
    Department of Community Preventive Medicine, Division of Social and Environmental Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
    Tohoku J Exp Med 217:67-72. 2009
    ..Controlling these factors may prevent future chronic adult lifestyle-related diseases...
  71. ncbi request reprint Effects of dietary habits and CYP1A1 polymorphisms on blood dioxin concentrations in Japanese men
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757, Niigata 951 8510, Asahi machidori, Japan
    Chemosphere 52:213-9. 2003
    ..Further studies on more subjects, including those of genotype C, are needed to confirm the relationship between blood dioxin concentrations and MspI polymorphisms...
  72. pmc Subacute effects of deep-sea water from the Japan Sea on blood examination values in mice
    Yasuo Tsuchiya
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 951 8510, Niigata, Japan
    Environ Health Prev Med 7:189-92. 2002
    ....
  73. pmc Rapid weight gain in early infancy is associated with adult body fat percentage in young women
    Mari Oyama
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Chuo Ku, Niigata, 951 8510, Japan
    Environ Health Prev Med 15:381-5. 2010
    ....
  74. ncbi request reprint Changes in plasma lactate and pyruvate concentrations after taking a bath in hot deep seawater
    Yasuo Tsuchiya
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951 8510, Japan
    Tohoku J Exp Med 201:201-11. 2003
    ..Although additional studies are needed to support our findings, DSW is the mildest water to the human body among the three kinds of water, since no significant changes in the items measured were found only in DSW...
  75. ncbi request reprint Work environment and mental health status assessed by the general health questionnaire in female Japanese doctors
    Yuko Hayasaka
    Department of Nursing, Social Welfare and Psychology, Niigata Seiryo University, Niigata, Japan
    Ind Health 45:781-6. 2007
    ..0093) were independently associated with psychological distress. These results suggest that work environment factors, particularly night duty, play important roles in modulating psychological distress among female doctors...
  76. pmc Effects of Japan Sea Proper Water on the growth ofLegionella pneumophila, Escherichia coli, andStaphylococcus aureus
    Yasuo Tsuchiya
    Division of Social and Environmental Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, 951 8510, Niigata, Japan
    Environ Health Prev Med 10:233-8. 2005
    ..To assess whetherLegionella pneumophila serogroup 1 and serogroup 6,Escherichia coli, andStaphylococcus aureus can survive in Japan Sea Proper Water (JSPW)...
  77. pmc Prevalence of attention-deficit/hyperactivity disorder (ADHD) symptoms in preschool children: discrepancy between parent and teacher evaluations
    Yukio Soma
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, 1 757 Asahimachi dori, Niigata, 951 8510, Japan
    Environ Health Prev Med 14:150-4. 2009
    ..The purpose of this study was to determine the prevalence of ADHD symptoms in Japanese preschool children based on evaluations performed by parents or teachers...
  78. ncbi request reprint [Vitamin D intake and the prevention of osteoporosis]
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Japan
    Clin Calcium 15:1386-91. 2005
    ..The author also discusses the importance of increasing vitamin D intake in public health in Japan...
  79. ncbi request reprint [Vitamin D intake and blood 25-hydroxyvitamin D levels of adult Japanese]
    Kazutoshi Nakamura
    Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    Clin Calcium 15:1483-8. 2005
    ..The vitamin D nutritional status of these two high-risk groups should be improved by increasing their vitamin D intake in food or by means of supplements...
  80. ncbi request reprint Weight gain in childhood and bone mass in female college students
    Toshiko Saito
    Department of Health and Nutrition, Niigata University of Health and Welfare, 1398 Shimami cho, Niigata 950 3198, Japan
    J Bone Miner Metab 23:69-75. 2005
    ..Our findings suggest that osteoporosis prevention programs may need to start very early in the life cycle...
  81. ncbi request reprint The usefulness of day-service in maintaining general nutritional status in elderly Japanese: a longitudinal study
    Tomoko Nishiwaki
    Faculty of Health Care, Tokyo Healthcare University, Tokyo, Japan
    Tohoku J Exp Med 211:15-21. 2007
    ..2 g/dl) than "twice" (-0.5 g/dl). The present study has shown that frequent use of day-service is useful in maintaining general nutritional status in elderly people...