Evaluation of Body Composition Using Dual-energy X-ray Absorptiometry, Skinfold Thickness and Bioelectrical Impedance Analysis in Japanese Female College Students.

Kitano, Takao; Kitano, Naoko; Inomoto, Takeaki; Futatsuka, Makoto

doi:10.3177/jnsv.47.122

Cited by 42 publications

(40 citation statements)

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“…This finding is in agreement with the results presented here. By comparing the BIA and skin-fold thickness with a gold standard, that is, DXA, in 155 young Japanese female college students within the 19.6-21.1-year-old range, Kitano et al (2001) found a close significant correlation between DXA and BIA methods (r ¼ 0.927; Po0.001). In another study, after measuring body fat (by multiple skinfolds and bioimpedance) against a criterion method (deuterium dilution) in 141 middle-age healthy Indian men, the authors indicated that multiple skinfolds measurements or calibrated BIA methods should be used for assessing the risk of chronic diseases in Indians rather than BMI cutoff points (Bhat et al, 2005).…”

Section: Discussionmentioning

confidence: 98%

“…The authors concluded that both diseases occur in Koreans with lower BMIs than the Whites. To clarify these discrepancies, bioelectrical impedance analysis (BIA) method has received a great interest as a useful tool in evaluating the body fat and composition in both healthy individuals and patients (Kitano et al, 2001;Sampei et al, 2001;Pecoraro et al, 2003;Piccoli et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

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Comparison between bioelectrical impedance analysis and body mass index methods in determination of obesity prevalence in Ahvazi women

Amani

2006

Eur J Clin Nutr

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Background: Obesity has an increasing trend worldwide. Recently, application of body mass index (BMI) cutoff points of obesity classification for all population studies has been questioned. On the other hand, bioelectrical impedance analysis (BIA) is a safe, accurate, reliable and inexpensive method for screening the overweight and obesity in such studies. Objectives: There were three objectives followed in this research: to determine the prevalence of obesity and overweight in married women using BMI and BIA methods; to evaluate the correlation between these methods; and to compare the women's obesity degrees according to their educational levels. Method: Six hundred and thirty-seven healthy married women 18-40 years aged, who had referred to 14 health centers of the city of Ahvaz (center of Khouzestan province, south-west of Iran) were recruited in a cross-sectional design, and their socioeconomic and anthropometric questionnaires were completed by the trained students. Body fat percent (%BF) and body fat mass (BFM) were measured using BIA method. BMI425 and 430 kg/m 2 were used as criteria for determining the overweight and obese women, respectively. %BF435% was regarded as cutoff for defining obesity. Results: Mean age7s.d. of the women was 26.975.8 years and majority of them were housewives with secondary educational level. Their BMI, %BF, waist-to-hip ratio, and mid-upper arm circumference means were: 25.9(4.7) kg/m 2 , 27.6(7.3)%, 0.75(0.08) and 27.9(3.9) cm, respectively. Central obesity was prevalent in 21.2% of the subjects. Prevalence of obesity determined by BMI and BIA methods was 18.3 and 15.5% and women within normal ranges were detected in 44.7 and 46% of the subjects by these methods, respectively. However, thin (underweight) women were 2.6 and 14.6% of the subjects studied, respectively. About one half of the women were overweight or obese. BMI was statistically correlated with BFM (r ¼ 0.86; Po0.0001) and %BF (r ¼ 0.77; Po0.0001). Women with higher educational levels had lower body fat percentage and BMI than the other subjects with lower degrees (Po0.05). Conclusion: Obesity and overweight is prevalent in about one-half of the Ahvazian married women and more than one-fifth of the subjects have central obesity. BIA and BMI methods can similarly detect the normal and obese married women but they are different in determining the underweight female subjects. Women with higher educational grades tend to have lower BMI levels.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Comparison between bioelectrical impedance analysis and body mass index methods in determination of obesity prevalence in Ahvazi women

Amani

2006

Eur J Clin Nutr

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“…In this study, the female subjects had a correlation coefficient of 0.84, whereas the men had a coefficient of 0.70. Previous studies comparing skinfold measures and BIA found a correlation of 0.78 for women 13 and 0.96 for men. 14 In a study comparing skinfold measurements and magnetic resonance imaging, they found no significant difference in the correlation coefficients between women and men (0.90 and 0.88, respectively).…”

Section: Discussionmentioning

confidence: 99%

Male and female differences in variability with estimating body fat composition using skinfold calipers

McRae

2010

Journal of Chiropractic Medicine

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Objective: Obesity is a major health problem in the United States. Skinfold measurements are routinely used in assessing outcomes in the management of obesity. The purpose of this study was to determine if sex differences in skinfold measurements would be apparent in intraobserver and interobserver reliability as well as validity when compared with bioelectrical impedance analysis (BIA) measurements. Methods: To determine intraobserver and interobserver variability, 71 male and 45 female subjects (chiropractic students) were assessed by 4 separate observers who each took 4 separate skinfold measurements. Bioelectrical impedance analysis was later conducted using a foot-to-foot technique. The average sums of the skinfold measurement and their standard deviations were calculated, and correlation coefficients between skinfold measurements and BIA techniques for male and female subjects were plotted separately to assess validity. Results: Men tended to have greater amounts of intraobserver and interobserver variability when compared with women, but these differences were not significant. In regard to validity, there was no significant difference between skinfold measurements and BIA when estimating percentage body fat for men; but the difference was significant for women, where BIA underestimated by 3.4%. Conclusions: The differences observed in variability could be explained by the fact that there is a difference in skinfold compressibility between men and women. Physicians who are using skinfold calipers for body composition assessment should take into account these small potential differences when evaluating total body fatness.

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“…With its high precision, low irradiation dose (15), relatively low cost, and immediate delivery of precise results, dual energy x-ray absorptiometry (DXA) is certainly one of the most appropriate techniques. Although DXA can give values that differ from other methods, such as bioelectrical impedance analysis or total body electrical conductivity, since its pioneer use to measure body composition by Mazess et al (16), several papers have shown that the technique is close to total body potassium for the assessment of fat-free mass (17), highly correlated with other methods (18), and accurate (19,20). It is also very sensitive to small changes in body composition (21,22).…”

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confidence: 99%

Bone Mineral Content and Body Composition in Overweight Children and Adolescents

Braillon

Serban

2007

Pediatr Res

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ABSTRACT:The aim of this study was to analyze the bone mineral content (BMC) of the skeleton and the body composition in lean and fat masses in a population of young overweight subjects, before diet or medical intervention. A total of 496 white youths (298 females, 198 males) were studied. Their body mass index (BMI) values were 29.2 Ϯ 5.5 kg/m 2 in females and 28.3 Ϯ 5.1 kg/m 2 in males, corresponding to relative weights (wts) [actual wt, W, divided by the mean wt normal for height (ht), Wi] of 1.55 Ϯ 0.24 and 1.53 Ϯ 0.24, respectively. Whole-body dual-energy x-ray absorptiometry (DXA) scans were performed (Norland XR36 DXA system) to obtain the total BMC (BMCt), lean tissue mass (LTMt) and fat mass (FMt), as well as the values of the corresponding parameters in arms (a), legs (l), and abdomen (ab). The measured data were compared with theoretical values calculated for Wi. The differences with reference values in LTMt and FMt were sex dependent, and the accretion in FMt, greater in males than in females, yielded a similar FMt/LTMt ratio in both sexes. The wt corresponding to the BMC of the bearing skeleton, lower than the actual wt by about 20%, seemed a reasonable first step to consider in the wt management of these youths. T he prevalence of overweight and obesity among children and adolescents is rapidly increasing in industrialized populations as well as in developing countries where lifestyles are rapidly changing (1-8). Because health risks and associated diseases increase as wt increases (9,10), monitoring body wt, and more specifically the fat mass, during the growth period is necessary. First of all, to bring the wt of overweight youths as close as possible to their healthy wt for ht and, thus, to prevent the development of chronic conditions such as type 2 diabetes or cardiovascular diseases (10 -14). The technical problem of body composition assessment has become relatively simple, and several methods are available. With its high precision, low irradiation dose (15), relatively low cost, and immediate delivery of precise results, dual energy x-ray absorptiometry (DXA) is certainly one of the most appropriate techniques. Although DXA can give values that differ from other methods, such as bioelectrical impedance analysis or total body electrical conductivity, since its pioneer use to measure body composition by Mazess et al. (16), several papers have shown that the technique is close to total body potassium for the assessment of fat-free mass (17), highly correlated with other methods (18), and accurate (19,20). It is also very sensitive to small changes in body composition (21,22). Therefore, DXA seems to be a simple technique to measure the body composition in overweight subjects.The main objective of the present work was to analyze the bone mineral content (BMC) of the entire skeleton, and the body composition in LTM and fat mass in a population of overweight youths, before any diet or medical intervention. The BMC of the arms and legs, their lean and fat masses, as well as the lean and fat masses ...

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Evaluation of Body Composition Using Dual-energy X-ray Absorptiometry, Skinfold Thickness and Bioelectrical Impedance Analysis in Japanese Female College Students.

Cited by 42 publications

References 10 publications

Comparison between bioelectrical impedance analysis and body mass index methods in determination of obesity prevalence in Ahvazi women

Comparison between bioelectrical impedance analysis and body mass index methods in determination of obesity prevalence in Ahvazi women

Male and female differences in variability with estimating body fat composition using skinfold calipers

Bone Mineral Content and Body Composition in Overweight Children and Adolescents

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