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This study is examined the effect of past and present lifestyle habits and nutrition on the osteosono 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 years). BMD (Body mineral density) was estimated by right-calcaneal OSI using an ultrasonic transmission method with an AOS-100 device (ALOKA). The number of postmenopausal females in the close examination and guidance required groups (80 cases: 51.3%) (OSI < 2.428) was significantly higher than that of premenopausal females (44 cases: 22.0%) (X2=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 significant difference in past and present lifestyle habits and nutrition between the close examination-guidance required group and the normal group. In premenopausal females, it was determined that the intake of vitamin D during puberty increased the absorption of calcium significantly. © 2010 SciRes

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