Abstract
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.
Highlights
Osteoporosis in elderly people markedly results in a decrease in activities of daily living (ADL) and quality of life (QOL) [1,2,3,4]
From the present result (OSI = 2.742 ± 0.350), it is considered that the osteo-sono assessment index (OSI) of females in this study was the standard
The gender differences of the OSI were found in all age groups, males being higher, except for 30 year-olds
Summary
Osteoporosis in elderly people markedly results in a decrease in activities of daily living (ADL) and quality of life (QOL) [1,2,3,4]. Aging is an important factor which affects bone mass and bone mineral density (BMD) [5]. Nakata et al [6] reported that because it is difficult to prevent osteoporosis in middle age with low peak bone mass, it is important to acquire basic eating and exercise habits during young adult age. Preventing a decrease of the peak bone mass through proper nutrition, exercise, sun bathing, etc. It has been reported that eating habits in addition to exercise habits greatly affect bone formation [3,7]. The effect of lifestyle on BMD and bone mass after acquiring the peak bone mass should be studied according to gender and by using people of a wide age range
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
