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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/100341


    Title: Calf circumference is more effective than body mass index in predicting emerging care-need of older adults e Results of a national cohort study
    Authors: 許維中;Hsu, WC;蔡仲弘;Tsai, Alan C.;王俊毅;Wang, Jiun-Yi;*
    Contributors: 健康產業管理學系
    Date: 2016-04
    Issue Date: 2016-08-08 14:51:27 (UTC+8)
    Abstract: Background & aims

    The usefulness of body mass index (BMI) and calf circumference (CC) for predicting emerging care-need of older adults has not been carefully evaluated. We attempted to compare the abilities of these two anthropometrics in predicting emerging care-need in older adults.


    Methods

    We analyzed the 1999 (baseline) and 2003 (end-point) datasets of the Taiwan Longitudinal Survey on Aging. Participants were 2521 ≥ 65-year old adults without care at baseline. To derive proper cut-offs of BMI and CC, we first drew a plot to show the relationship between the risk of care-need and the cumulative distribution of BMI or CC. We then divided the risk into three levels and calculated the corresponding percentiles of BMI and CC. Multivariable logistic regression was used to build up predictive models. Akaike Information Criterion (AIC) and net reclassification improvement (NRI) were performed to compare the models as well as the predictive abilities of BMI and CC.


    Results

    After controlled other independent variables, CC was significantly associated with emerging care-need in the subsequent 4 years, but BMI was not. The AIC value of the model with CC (1956.3) was remarkably lower than BMI (1968.7). The NRI was 4.8% (p = 0.007) which quantified the improvement of the model with inclusion of CC instead of BMI to predict emerging care-need.


    onclusions

    All indices we performed suggest that CC has better ability to predict emerging care-need in older Taiwanese compared to BMI. The potential application of anthropometric indicators, especially CC, for predicting emerging care-need deserves further investigation.
    Relation: CLINICAL NUTRITION
    Appears in Collections:[健康產業管理學系] 期刊論文

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