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        北京市順義區(qū)學(xué)齡兒童少年體重指數(shù)與體脂百分比關(guān)系的研究

        2019-06-09 08:40:24黃曉鳳張悅呂金昌
        醫(yī)學(xué)信息 2019年7期
        關(guān)鍵詞:體重指數(shù)青少年兒童

        黃曉鳳 張悅 呂金昌

        摘要:目的? 分析北京市順義區(qū)兒童少年體重指數(shù)(BMI)和體脂百分比(PBF)的關(guān)系。方法? 采用整群抽樣法抽取順義區(qū)小學(xué)生1477人,其中男生804人,平均年齡8.3歲,女生673人,平均年齡8.2歲;初中生1996人,其中男生1028人,平均年齡13.7歲,女生968人,平均年齡13.6歲,使用人體成分分析儀H-Key350測(cè)定PBF,并計(jì)算BMI,比較兩者判定超重、肥胖的一致性。結(jié)果? 北京市順義區(qū)中小學(xué)生BMI與PBF兩者呈正相關(guān),小學(xué)生總體、男生、女生BMI與PBF均呈高度正相關(guān),相關(guān)系數(shù)分別為0.907、0.919和0.904;初中生總體、男生、女生BMI與PBF的相關(guān)系數(shù)分別為0.694、0.833和0.845;與BMI標(biāo)準(zhǔn)判定超重相比,PBF判定的超重有較高特異度,小學(xué)和初中分別為84.71%和80.47%;而靈敏度差為14.42%和20.24%;與BMI標(biāo)準(zhǔn)判定肥胖相比,PBF判定的肥胖有較高靈敏度,小學(xué)和初中分別為99.86%和91.93%,而特異度差,只有73.56%和61.27%。結(jié)論? 用PBF判斷超重標(biāo)準(zhǔn)對(duì)于確定順義區(qū)初中生和小學(xué)生超重和肥胖分別有較高特異度和靈敏度,可以使用PBF對(duì)學(xué)齡兒童開展超重和肥胖的篩查。

        關(guān)鍵詞:體重指數(shù);體脂百分比;兒童;青少年;

        中圖分類號(hào):R179? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 文獻(xiàn)標(biāo)識(shí)碼:A? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?DOI:10.3969/j.issn.1006-1959.2019.07.040

        文章編號(hào):1006-1959(2019)07-0134-03

        Abstract:Objective? To analyze the relationship between body mass index (BMI) and body fat percentage (PBF) in children in Shunyi District, Beijing. Methods? A total of 1477 primary school students in Shunyi District were selected by cluster sampling method, including 804 male students, with an average age of 8.3 years and 673 female students, with an average age of 8.2 years. There were 1996 junior high school students, including 1028 male students, with an average age of 13.7 years and 968 female students. The average age was 13.6 years. The PBF was measured using the body composition analyzer H-Key350, and the BMI was calculated. The two were compared to determine the consistency of overweight and obesity. Results? There was a positive correlation between BMI and PBF in primary and middle school students in Shunyi District of Beijing. The BMI and PBF of primary school students, boys and girls were highly positively correlated, with correlation coefficients of 0.907, 0.919 and 0.904 respectively. Junior high school students, boys, girls BMI and PBF. The correlation coefficients are 0.694, 0.833, and 0.845, respectively. Compared with the BMI standard, the overweight of PBF has higher specificity, 84.71% and 80.47% for primary and junior high schools respectively, and 14.42% and 20.24% for sensitivity. Compared with obesity judged by BMI standard, obesity determined by PBF has higher sensitivity, 99.86% and 91.93% in primary and junior high school, respectively, and poor specificity, only 73.56% and 61.27%. Conclusion? Using PBF to judge the overweight criteria has higher specificity and sensitivity for determining the overweight and obesity of junior high school students and primary school students in Shunyi District. PBF can be used to screen overweight and obesity in school-age children.

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