Japanese Journal of Health and Human Ecology
Online ISSN : 1882-868X
Print ISSN : 0368-9395
ISSN-L : 0368-9395
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Volume 76, Issue 3
Displaying 1-4 of 4 articles from this issue
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Editorial
Original Articles
  • Study on causes of child-murders/mother suicides
    Chiharu ABE
    2010 Volume 76 Issue 3 Pages 109-119
    Published: 2010
    Released on J-STAGE: July 23, 2010
    DOIhttps://doi.org/10.3861/jshhe.76.109
    JOURNAL FREE ACCESS
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    Causes of child-murders/parent-suicides in Japan have been changed along with the socio-economic transitions in modern Japan. Objective of the study was to clarify the actual situations and causes of child-murders/mother-suicides, namely concrete ideas to be based when public services for maternal and child well-being is examined.
    Four hundred fifty eight incidents of child-murders/suicides by parent (s) or grandparent (s) extracted from newspaper articles during 1998 to 2007, and child-murders/mother-suicides were analysed mainly. Out of total 458 incidents, 300 incidents (65.5%) were child-murders/mother-suicides. The average age of the mothers in 2007 (36.5 years old) was older than that in 1998 (33.4). Main causes of mothers were anxieties of child-care, economic problems, and troubles in family. Anxieties of child-care had the highest rate. Relatively less economic problems and more anxieties of child-care were found among mothers' causes than those of fathers.
    Evidently, anxieties of child-care, continuously increased during the latter half of 1900s, became a main cause of recent child-murders/mother-suicides, while the causes differed by age and more diversified in older age groups. Effective supports of child-care have to respond to various needs of mothers.
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  • Effects of 20 days of bed rest and concomitant resistance training on basal energy expenditure and body composition
    Miho OBA, Jung SU LEE, Kiyoshi KAWAKUBO, Yuichiro HARUNA
    2010 Volume 76 Issue 3 Pages 120-129
    Published: 2010
    Released on J-STAGE: July 23, 2010
    DOIhttps://doi.org/10.3861/jshhe.76.120
    JOURNAL FREE ACCESS
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    The purpose of this study was to investigate the effects of prolonged bed rest and concomitant resistance training on basal energy expenditure (BEE) and body composition.
    Nine young male subjects underwent 20 days of bed rest. Five participants practiced isometric resistance training during the bed rest period (BR+TR), and four participants underwent bed rest alone (BR). The Douglas bag method was used to measure BEE on days 0, 1, 4, 10, and 20.
    BEE decreased by 8.8% until day 10 and 15.9% until day 20 for the BR group, while it remained in the initial level (+1.2%) for the BR+TR group up to day 10, but decreased by 8.4% until day 20, respectively. Fat-free mass decreased during the bed rest period by 2.5% for the BR group and 1.7% for the BR+TR groups.
    The percent decrease in BEE adjusted by body weight after 20 days of bed rest for the BR group was considered equivalent to average decreases of 10 or more years of aging. Minimal resistance training was effective against deleterious effects of bed rest on BEE in the short term, but was insufficient in the long term.
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  • Long-term (5-year) effects of a dietary intervention for reducing the risk factors of metabolic syndrome among Japanese male workers
    Akiyo SHIOHARA, Mariko WATANABE
    2010 Volume 76 Issue 3 Pages 131-142
    Published: 2010
    Released on J-STAGE: July 23, 2010
    DOIhttps://doi.org/10.3861/jshhe.76.131
    JOURNAL FREE ACCESS
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    Objective : The aim of this study was to assess the effectiveness of long-term (5-year) intervention of dietary education to reduce the risk factors of MetS among Japanese male workers.
    Methods : We followed subjects for 5 years after providing yearly dietary intervention sessions at the time of medical check-ups. The subjects were 41 males [42.4±13.3 yr, 23-56 yr], received a health check-up. They were placed in the Dietary Intervention group (DI, n=20) or non-DI group (non-DI, n=21).
    Results : At baseline, the characteristics of the DI and non-DI group did not significantly differ. The body weight decreased over the 5-yr in the DI group, while it increased in the non-DI group (p<0.10). In the non-DI group, the LDL-C level in the 5th yr was significantly higher than that at baseline (p<0.001), while it was maintained in the DI group. The TG level decreased significantly in DI group (p<0.01). The energy intake of the DI group decreased by 10% over the 5 yr study.
    Conclusion : It is indicated that continuous dietary education over 5 years would be effective for improving the risk factors of MetS.
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