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Effect of past and present lifestyle habits and nutrition on calcaneal quantitative osteo-sono index in pre- and post-menopausal females

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Health 2010年第2期2卷 124-130页

作者： Masakatsu Nakada Shinichi Demura National Defense Academy Graduate school of Natural Science & Technology Kanazawa University

This study is examined the effect of past and present lifestyle habits and nutrition on the os-teo-sono assessment index (OSI) in pre- and post-menopausal females. The subjects were 200 premenopausal females (38.8±10.3years) and 156 postmenopausal females (59.2±5.9 ye- ars). BMD (Body mineral density) was estimated by right-calcaneal OSI using an ultrasonic transmission method with an AOS-100 device (ALOKA). The number of postmenopau- sal fe-males in the close examination and guidance required groups (80 cases: 51.3 %) (OSI < 2.428) was significantly higher than that of premeno-pausal females (44 cases: 22.0 %) (χ2=33.105: P<0.000). In premenopausal females, the proportion of subjects that had not taken vitamin D in the past (in junior high school and high school) was significantly higher in the close examination- guidance required group (OSI < 2.428) than in the normal group (OSI ≧ 2.428). However, in postmenopausal females, there was no signifi-cant difference in past and present lifestyle habits and nutrition between the close exami-nation-guidance required group and the normal group. In premenopausal females, it was deter-mined that the intake of vitamin D during pu-berty increased the absorption of calcium sig-nificantly.

关键词： Lifestyle and Nutrition Habits osteo-sono Assessment Index Pre and Postmenopausal Females

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The effect of past and present lifestyle, nutrition habits, and gender on bone mineral density

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Health 2010年第7期2卷 713-721页

作者： Masakatsu Nakada Shinichi Demura 不详

This study aimed to examine the gender and age differences of the quantitative osteo-sono assessment index (OSI) and the effects of the past and present lifestyle and nutrition habits on OSI in adult males and females from 20 to 70 years of age. The subjects were 155 males (20- 79 years) and 399 females (20-78 years). The bone mass was estimated by the right-calcaneal OSI using an ultrasonic transmission method with an AOS-100 device (ALOKA). The frequency of tests for OSI in women tended to increase rapidly in the 50-70 age group requiring close examination or guidance. In 50-70 year- old females, the proportion of dairy products and vitamin D intake in the past (junior high school and high school days) was significantly lower in the group requiring close examination or guidance (OSI <2.428) than in the normal group (OSI ≧ 2.428). That is, there was insufficient calcium intake (through dairy products) and vitamin D intake, which is instrumental in calcium absorption, (through fish, chicken eggs, and fungi) during puberty, when bone mass increases with skeletal growth. In conclusion, the number in the group requiring close examination or guidance was high for 50-70 year-old males and females. The OSI decreases rapidly in females after their 50s and the number in the group requiring close examination or guidance increased rapidly.

关键词： Lifestyle Habit Nutrition Habit Ultrasound osteo-sono Assessment Index Gender

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