民族衛生
Online ISSN : 1882-868X
Print ISSN : 0368-9395
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79 巻 , 5 号
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  • Joweria Nambooze, Miho FUJIMURA, Tsukasa INAOKA
    79 巻 (2013) 5 号 p. 112-122
    公開日: 2013/11/15
    ジャーナル フリー
    This study assessed the nutritional status of children below 5 years pre-post typhoon Ketsana in the Oy ethnic group of Southern Laos.
    A prospective cross-sectional survey using a pre-post design was used. Structured questionnaires were used to obtain information on household food consumption and anthropometric measurements were carried out.
    There was 30% loss of domestic animals and 50% reduction in the average rice production with 20% of the households harvesting no rice at all. This affected the already strained food security situation. No significant difference was however seen between food consumption frequency pre-post typhoon Ketsana. Among the 18 subjects compared, prevalence of stunting and underweight was high (66.7% and 55.6% pre typhoon and 61.1% and 55.6% post typhoon respectively) and a McNemar test showed that the prevalence of wasting significantly decreased post typhoon Ketsana (p<0.01) whereas the prevalence of stunting and underweight didn't significantly change pre-post typhoon Ketsana (p>0.05).
    The nutritional status of the children was stable post the typhoon Ketsana. This could be attributed to the numerous coping strategies applied in order to have enough food to eat and the fact that the effect of the typhoon could not be seen within such a short period of time.
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  • 藤井 勝紀
    79 巻 (2013) 5 号 p. 124-135
    公開日: 2013/11/15
    ジャーナル フリー
    This study derived the changes in BMI with age in general South Korean girls compared with female athletes using the wavelet interpolation method, and investigated the critical stage of fat percentage for the onset of menarche. It also investigated the relationship between maximum peak velocity (MPV) of BMI and age at menarche, assuming that the critical stage is near the age of MPV on the aging velocity curve of BMI. Then, by comparing the interval between age at menarche and age at MPV derived from changes with age in BMI in Korean female athletes, the delay in menarche from stress was investigated. Age at menarche, menstrual cycle, and menstrual status were surveyed in second-year students at a girls' physical education high school in Busan (athletes). Next, longitudinal growth data for height and weight were obtained from the first year of elementary school until the second year of high school. Four hundred third-year female students at regular high schools in the suburbs of Busan were selected for the control group (non-athletes), and were surveyed using the same methods as the athletes. Finally, the data for 77 athletes and 232 controls were used. Wavelet interpolation was applied to BMI values calculated from growth distance values for height and weight from age 7 to 17 years in the athlete and control groups of Korean girls. The age at MPV of BMI was identified from growth curves derived by differentiating the individual aging distance curves for BMI in both groups. Then, the interval between age at MPV of BMI and age at menarche were calculated individually. In the control group the age at MPV of BMI was 11.72±1.55 years and the age at menarche was 12.25±0.95 years. Thus, the age at menarche was slightly earlier. In the athletes, the age at MPV of BMI was 11.84±1.36 years and the age at menarche was 13.37±1.37 years, showing a later age at menarche. The interval between MPV age at BMI and age at menarche was 0.53±1.62 years in the control group and 1.46±1.87 years in the athlete group. Thus, a significant difference (p<0.01) was seen between the groups, suggesting delayed menarche as a stress factor in athletes.
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