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題 名 | 臺中市學童肥胖盛行率之分析:不同篩選指標的比較=The Prevalence of Obesity in the School-aged Children in Taichung City: A Comparison of Various Body Anthropomentric Indices |
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作 者 | 林正介; 賴明美; 劉秋松; 李采娟; | 書刊名 | 中華民國家庭醫學雜誌 |
卷 期 | 8:3 1998.09[民87.09] |
頁 次 | 頁134-143 |
分類號 | 415.599 |
關鍵詞 | 學童; 肥胖; 篩選指標; Children; Obesity index; Prevalence; Taichung; |
語 文 | 中文(Chinese) |
中文摘要 | 想了解肥胖的盛行率首先需要有理想的篩選指標,目前篩選肥胖的標準雖有多種,卻未必適用於學童,本研究目的在於比較三種肥胖篩選指標之一致性及分析肥胖與高膽固醇血症之相關性,求得一種較適用於兒童及青少年的肥胖篩選指標。研究對象為八十四學年度臺中市公私立中小學,國小一、四年級及國中一年級學生47,800人,參與學生共46,443人(97.2%)。除了為學生進行體位之分析,並選取身體質量指數大於第八十五個百分位值、重高指數大於 1.2 與超出平均體重 20% 三種指標,比較三種指標篩選肥胖的一致性,及分析各指標與體重、身高和膽固醇的關係。結果發現三種指標之一致性皆高(Kappa = 0.681-0.890);身體質量指數與體重有很高的相關且與身高有較低的相關。身體質量指數對於罹患高膽固醇血症的勝算比在各年級的男童均顯著,預測力超過其他指標;在女童身體質量指數是唯一具有顯著性的預測指標,但只在國中一年級對高膽固醇血症(總膽固醇值大於等於170 mg/dL)有顯著的預測性。因此,本研究認為身體質量指數是一種篩選學童肥胖的理想指標,當以身體質量指數大於第八十五個百位值為指標時,臺中市學童肥胖的盛行率為16.7%-20.5%。 |
英文摘要 | In order to evaluate the prevalence of obesity, we need an ideal index. Currently, there is no ideal reference data or standard for screening children obesity. The objectives of this study are to examine the concordance of various body anthropometric indices and to evaluate the association between hypercholesterolemia and obesity defined by anthropometric indices. In this study, the data were obtained from a sample of 46,443 students aged 6 to 14, attending schools in Taichung, Taiwan. Response rate was 86.8%. The 85th percentile of a body mass index (BMI), a weight-for-length index (WLI) exceeding 1.2, and a weight more than 20% of average weight were adopted as criteria, the Kappa values between these 3 indices for screening obesity by different indices were from 68.1% to 89.0%. The BMI was highly correlated with weight and lowly correlated with height. For boys, the values of odds of hypercholesterolemia for obese group using BMI as criteria compared with non-obese group are all tatistically significant across different graders. The measures of predictive validity using BMI as criteria are higher than those using the other indicators. For girls, the odds of hypercholesterolemia for obese group using BMI as criteria compared with non-obese group in the seventh grader is statistical significant and it is the only odds ratio that reaches level of significance. That is, the measure of predictive validity using BMI as criteria is the only indicator that can detect significant association between hypercholesterolemia and obese. So BMI should be routinely adopted as a weight-height-derived index of obesity. The prevalence of obesity among school-aged children in Taichung city were 16.7%-20.5% by BMI standard. |
本系統中英文摘要資訊取自各篇刊載內容。