| AIM:To investigate the influence of life style on bone mineral density(BMD) and provide the scientific basis for the prevention of osteoporosis.METHODS:To research 20～79 years old adults,by the multi-stage lamination random sampling's method carries on the questionnaire survey and the calcaneum ultrasonic wave bone density determination who lives in Yanji citty.Trying altogether 1988,Korean National Minority male 461 people,Korean National Minority female 559 people,Han Nationality male 400 people,Han Nationality female 568 people.In accepts the bone density inspection in 40～70 years old adults draw an item at random 300 people,Examine blood fats.The survey result uses the SPSS11.5 statistics software to carry on the analysis. Uses the statistical method has the T-test,the analysis of covariance,the chi-square test, the Logistic regression analysis.RESULTS:1.BMD of the adult male was female showed a slow-decline along with age-increasing.BMD of the Korean male in 60- age group was significantly lower than the same of Han nationality male(P＜0.01).Rate of BMD decay in Han nationality male was slower than the Korean nationality.BMD of female in both two nationalities was declined along with age-increasing and in 50- age group BMD was sharply declined (P＜0.01).Rate of BMD decay in Han nationality female was obviously slower than the Korean nationalities and BMD of 50-age and 60-age group was significantly higher than the Korean nationality female in same age group(P＜0.01).2.The Korean nationalities in adults bone density is lower than Han Nationality, female bone density is lower than the male(P＜0.01).3.Korean National Minority masculine bone quantity decrement and osteoporosis rate compared to the Han Nationality male low(P＜0.001),The Korean National Minority feminine bone quantity decrement is lower than Han Nationality(P＜0.001),The osteoporosis rate is higher than the Han Nationality(P＜0.01).4.The male and feminine height,the body weight,the physique index and the bone density present are related(P＜0.001),The age and the bone density assume the inverse correlation(P＜0.001 ).5.In the influence bone density's life style,often drinks the human who the milk,the tea human bones density is higher than obviously does not drink the milk(P＜0.05),The Korean National Minority male and the female drink tea the human are less than the Han Nationality(P＜0.001).6.Has the bone fracture history human bones density to be lower than obviously does not have the bone fracture history person(P＜0.05),The Korean National Minority male and the female have the bone fracture history person to be more than the Han Nationality (P＜0.001).7.The high density lipoprotein content normal group has the obvious difference with the unusual group's bone density(P＜0.001),The high density lipoprotein content and the bone density assume the inverse correlation(P＜0.05),The triglyceride content and the bone density present are related(P＜0.05).8.the multiple regression analysis result shows drinks the milk,eats the bean product is the osteoporosis sickness the protection factor,the age,smoking,has the bone fracture history is the osteoporosis sickness the hazard factor.CONCLUSION:1.The Yanji Korean National Minority adults bone density the speed which drops along with the age is quicker than the Han Nationality,the Korean National Minority middle-aged person and old person bone density obviously is lower than the Han Nationality.2.Adult female bone density is lower than the male.3.The influence bone density's primary factor has national,the sex,the body weight, the height,smoking,the milk,the tea,the bean product,the bone fracture history.Drinks the milk is the osteoporosis sickness the protection factor,smoking is the osteoporosis sickness the hazard factor..4.Causes the Korean National Minority and the Han Nationality senior citizen bone density difference primary factor is the height,the body weight,the bone fracture history, drinks tea and so on.
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