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[目的]分析BMI指标与体质的关系。[方法]于2004～2005/4选择山东省烟台市成年人,随机抽取997人为研究对象,利用体能测试系统采集他们的身高、体重及其他身体机能和身体素质指标数据,计算各组BMI指数均质的变化规律。[结果]1)烟台市成年人BMI指数男性平均为23.7kg/m2,女性平均为21.8kg/m2,两者存在显著性差异。各年龄段男女之间比较,除50~54岁无显著性差异外,其余各年龄段男性BMI均大于女性,但到35岁以后,这种差距明显缩小。2)体重偏低和正常两类人群在各年龄段中所占的比例基本上随年龄段的增加呈逐步下降趋势,而超重和肥胖两类人群在各年龄段中所占比例基本上随年龄段的增加呈逐步上升趋势。3)女性体重偏低和体重正常的比例都远高于男性,而超重和肥胖的比例则明显低于男性,尤其是女性肥胖者的比例比男性低了19.4个百分点。4)在相关性显著的所有指标中,血压与BMI指数存在较大的正相关性,提示人体超重或过于肥胖将增加高血压和心脑血管类疾病的患病风险。[结论]BMI指数与身体机能和体质指标均有显著性相关;体重超标对某些相关体质产生了一定的负面影响,因此有必要采取相应措施防止体重的过度增长,以改善自身的健康状况。
[Objective] To analyze the relationship between BMI indicators and physical fitness. [Methods] Adults from Yantai City, Shandong Province were selected from 2004 to 2005/4. A total of 997 randomly selected subjects were used to collect their height, weight, and other body function and physical fitness data using a physical fitness test system. Each group’s BMI index was calculated. The law of quality changes. [Results] 1) The average male BMI index in Yantai was 23.7 kg/m2, and the average female was 21.8 kg/m2. There was a significant difference between the two. Compared with males and females of all ages, except for 50-54 years old, there was no significant difference between the males and females in all age groups. However, after the 35-year-old age, the gap was significantly reduced. 2) The proportion of low-weight and normal-type people in all age groups is gradually decreasing with the increase of age group, while the proportion of overweight and obese people in all age groups basically follows age. The increase in segments showed a gradual upward trend. 3) The proportion of women with low body weight and normal body weight is much higher than that of men, while the proportion of overweight and obesity is significantly lower than that of men, especially the proportion of women with obesity is 19.4 percentage points lower than that of men. 4) Among all the indices with significant correlation, there is a large positive correlation between blood pressure and BMI index, suggesting that being overweight or obese will increase the risk of hypertension and cardiovascular and cerebrovascular diseases. [Conclusion] The BMI index had significant correlation with physical function and physical fitness index; overweight had a certain negative impact on certain related physical constitutions, so it is necessary to take corresponding measures to prevent excessive growth of body weight in order to improve its own health status.