本文選題：成年人　切入點(diǎn)：體脂率　出處：《北京體育大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：研究目的：本研究采用BIA法,通過采集不同人群的體脂率探索其性別年齡特征。以超重、肥胖與代謝危險因素的密切關(guān)系為依據(jù)探索制定體脂率評價超重、肥胖的方法,希望為制定標(biāo)準(zhǔn)提供參考。研究方法：選取20-59歲成年人作為研究對象。研究一1728人(男性830人,女性898人)測試體脂率,探索體脂率的性別年齡特征；研究二選取參加健康風(fēng)險測試的793人(男性452人,女性341人)作為研究對象。以危險因素聚集為標(biāo)準(zhǔn),探索ROC曲線法建立體脂率評價超重、肥胖標(biāo)準(zhǔn)的可行性。研究結(jié)果：(1)隨著年齡的增加,男性和女性的體脂率不斷增加,但具有一定的年齡特征。男性可分為20-29歲和30-59歲兩組：女性可分為20-49歲和50-59歲兩組；(2)體脂率與SBP、DBP、FBG、TG、TC呈正相關(guān)關(guān)系,與HDL-C呈負(fù)相關(guān)關(guān)系；隨著危險因素個數(shù)的增加,體脂率也呈不斷增加的趨勢,超過兩個危險因素組(含兩個)的體脂率與無危險因素組和1項(xiàng)危險因素組的體脂率具有統(tǒng)計(jì)學(xué)差異,因此危險因素聚集定義為兩個及兩個以上的危險因素存在；(3)對于20-29歲和30-59歲年齡組男性,當(dāng)體脂率分別達(dá)到26.3%和21.2%時,靈敏度和特異度較好,且ROC曲線距離最��；當(dāng)體脂率分別超過29.5%和30.1%時,特異度達(dá)到了90%；對于20-49歲和50-59歲年齡組女性,當(dāng)體脂率分別達(dá)到28.7%、30.7%時,此時ROC曲線距離最小,而且靈敏度和特異度相對較好,當(dāng)體脂率增加到33.5%和36.1%時,特異度超過90%。研究結(jié)論：(1)結(jié)合肥胖相關(guān)危險因素聚集特征,借助ROC曲線法制定體脂率評價成年人超重、肥胖標(biāo)準(zhǔn)是可行的；(2)體脂率篩查成年人超重、肥胖的適宜切點(diǎn)為：男性20-29歲和30-59歲超重切點(diǎn)為26.3%和21.2%,肥胖切點(diǎn)為29.5%和30.1%；女性20-49歲和50-59歲超重切點(diǎn)為28.7%和30.7%,肥胖切點(diǎn)為33.5%和36.1%;(3)對于30-59歲男性和女性,如果將體脂率分別控制在21.2%、28.7%和30.7%以下,可能防止61.5%、50%和61.1%的危險因素聚集；對體脂率在30.1%、33.5%和36.1%及以上者使用藥物控制到切點(diǎn)以下,可能防止14.6%、18.2%和30.6%的危險因素聚集。
[Abstract]:Objective: to study the sex and age characteristics of body fat rate of different population by BIA method, and to establish a method to evaluate overweight and obesity based on the close relationship between overweight, obesity and metabolic risk factors. The aim of this study was to provide a reference for the establishment of standards. Methods: adults aged 20-59 were selected as subjects. Study 1 728 (830 males and 898 females) tested body fat rate to explore gender and age characteristics of body fat rate; In the second study, 793 people (452 males and 341 females) who participated in the health risk test were selected as the study subjects. Based on the risk factor aggregation criteria, the ROC curve was used to establish the body fat rate to evaluate overweight. The Feasibility of the Obesity Standard. The study found that the body fat rate of both men and women increases with age. But it has certain age characteristics. Men can be divided into two groups: 20-29 years old and 30-59 years old. Women can be divided into 20-49 years and 50-59 years old groups.) the body fat rate is positively correlated with SBP DBP, and negatively correlated with HDL-C, and with the increase of the number of risk factors, there is a positive correlation between body fat rate and HDL-C. The body fat rate of more than two risk factors (including two) was significantly different from that of non-risk factor group and one risk factor group. Therefore, risk factor aggregation is defined as the existence of two or more risk factors. For males aged 20-29 and 30-59, the sensitivity and specificity are better when body fat rates reach 26.3% and 21.2, respectively, and the ROC curve distance is the smallest. For women aged 20-49 and 50-59, when the body fat rates were 28.7 and 30.7, respectively, the distance of the ROC curve was the smallest, and the sensitivity and specificity were relatively good. When the body fat rate increased to 33.5% and 36.1, the specificity exceeded 90. Conclusion: 1) combined with the aggregation characteristics of obesity related risk factors, the body fat rate was determined by ROC curve to evaluate overweight in adults, and the obesity standard was feasible to screen overweight in adults. The suitable cutting points for obesity were 26.3% and 21.2 for men aged 20-29 and 30-59, 29.5% and 30.1for obesity, 28.7% and 30.7for women aged 20-49 and 50-59, 33.5% and 36.1for men and women aged 30-59, respectively. If the body fat rate was controlled below 21.2g% and below 30.7%, the aggregation of risk factors of 61.5% and 61.1% might be prevented, and those with body fat rate of 30.1% or 33.5% and 36.1% and above could be controlled below the cutting point, which might prevent the aggregation of risk factors of 14.6U 18.2% and 30.6%.
【學(xué)位授予單位】：北京體育大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：G804.49

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