中国骨质疏松杂志

中国与东南亚女大学生体力活动水平与骨密度比较研究

A comparative study on physical activity level and bone mineral density among Chinese and Southeast Asian female university students

DOI：10.3969/j.issn.1006-7108.2018.10.009

中文关键词: 体力活动水平骨密度在校女大学生流行病学研究

英文关键词:physical activity level bone mineral density undergraduate female students epidemiological studies

基金项目:广西医科大学大学生创新创业训练计划项目（201610598004，201610598116）

作者	单位
孔存青1 黄晓婷1 姚志豪1 王泽峰1 陈润1 伍华乾1 周鹤1 李春燕2 刘鹏1*	1.广西医科大学人体解剖教研室，广西南宁 530021 2.广西医科大学第一附属医院放射科，广西南宁 530021

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中文摘要:

目的了解中国女大学生在体力活动水平和骨密度方面与东南亚地区女大学生之间存在的差异，并探讨体力活动水平与骨密度的相关性。方法随机选取广西医科大学女大学生373名，包括中国的271名，东南亚地区的102名，采用国际体力问卷(中文版)收集其近1周内体力活动情况，GE express骨密度仪测量双脚骨密度，采用SPSS 22.0软件进行统计分析。结果 (1)东南亚国家女留学生的体质量指数(body mass index, BMI)、腰臀比(waist-to-hip ratio，WHR)稍高于中国在校女大学生，其骨质量指数(bone quality index，BQI)、T值、Z值均低于中国在校大学生，两组的T值、Z值比较差异有统计学意义（P＜0.05）。(2)调整年龄、身高、体重、BMI、WHR之后，在校中国女大学生与东南亚国家女留学生的BQI、T值、Z值的差异仍有统计学意义（P＜0.05），且中国组的骨密度高于东南亚组。(3)不同体力活动水平中，只有高强度体力活动水平对骨密度的影响差异有统计学意义（P＜0.05），其他3个方面如步行、中等强度、总体力活动水平对骨密度差异没有统计学意义（P＞0.05）。(4)在校中国女大学生与东南亚地区女大学生在步行、中等强度、高强度以及总体力4个活动水平上的差异均无统计学意义（P＞0.05）。结论中国在校女大学生的骨密度情况优于东南亚地区女大学生；高强度体力活动水平对骨密度的增加有正向积极影响。

英文摘要:

Objective To understand the differences between Chinese and Southeast Asian female college students in physical activity level and bone density, and to explore the correlation between physical activity level and bone mineral density. Methods 373 female college students of Guangxi Medical University, including 271 from China, and 102 from Southeast Asia, were randomly selected. Information on physical activity in the past week was collected using the International Physical Fitness Questionnaire (Chinese version), and bone mineral density of both heels was measured using GE express. We used SPSS 22.0 software for statistical analysis. Results (1) Body mass index (BMI) and waist-to-hip ratio of Southeast Asian students were slightly higher than those of Chinese undergraduates. The bone quality index (BQI), T-score and Z-score of Southeast Asian students were lower than those of Chinese undergraduates. The differences in T-score and Z-score between the two groups were statistically significant (P<0.05). (2) After adjusting for age, height, weight, BMI, waist-hip ratio, the differences in BQI, T-score and Z-score remained significant between undergraduates from China and Southeast Asian countries (P<0.05), and bone density of Chinese students was higher than that of the Southeast Asian students. (3) Among the different levels of physical activity, only physical activity of high intensity had significant association with bone mineral density (P<0.05), and the other three aspects including walking, moderate intensity physical activity, and total level of physical activity were not significantly associated with bone mineral density (P>0.05). (4)There were no statistically significant differences in the four aspects of activity (walking, moderate intensity, high intensity and overall physical activity) between Chinese female college students and Southeast Asian female college students (P>0.05). Conclusion The bone mineral density of Chinese female college students was better than that of Southeast Asian female students. The level of high intensity physical activity had a positive impact on the increase of bone mineral density.

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