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Development of the PDA Based Mobile System for Body Fat Measurement and Diagnosis Using Bioelectrical Impedance Method  

권세윤 (한양대학교 의공학교실)
이상민 (한양대학교 의공학교)
김재환 (한양대학교 의공학교)
우지환 (한양대학교 의공학교)
김인영 (한양대학교 의공학교)
이형기 (삼성전자(주) 삼성종합기술원 HCI)
방석원 (삼성전자(주) 삼성종합기술원 HCI)
김선일 (한양대학교 의공학교실)
Publication Information
Journal of Biomedical Engineering Research / v.25, no.1, 2004 , pp. 21-26 More about this Journal
Abstract
Recently, many people want to know their state of health, such as a body fat rate, anywhere and anytime. The Personal Digital Assistance(PDA) is the portable wireless apparatus that has become widely popular. There are many application areas of the IDA to be in mobile care devices. In this study, we developed the PDA based body fat measurement system, composed of a cradle type measurement module and a WindowCE operated software module, a regression equation for predicting lean body mass (LBM). Sixty-three weight-stable subjects (53 men, 10 women) aged 20∼32yr participated in this study. A regression model, LBM ＝ (0.0005＊Height2 - 0.0160＊Impedance ＋ 0.3920＊Weight - 0.0684＊Age - 5.8141＊Sex ＋ 25.984, was found. The correlation coefficient( r) of body fat rate between developed system and HTM1000plus(BionetTM) was 0.928. HTM1000plus is a commercially available and approved by KFDA. These results indicated that developed system is reliable for estimation of body fat rate. Although developed system is the PDA based miniaturized, it shows good performance comparing with other commercial product.
Keywords
Lean body mass; Bioelectrical impedance analysis(BIA); PDA;
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