Development and validation of an equation to estimate body fat in elderly women
The purpose of this present study was to develop and validate a prediction equation for body composition assessment using anthropometric measures of elderly women. This is cross-sectional correlational study with 243 older women ± 64.5 years old and body mass index (BMI) ± 28.70 kg/m². For the devel...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Universidade Federal de Santa Catarina
2020-11-01
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| Series: | Revista Brasileira de Cineantropometria e Desempenho Humano |
| Subjects: | |
| Online Access: | https://periodicos.ufsc.br/index.php/rbcdh/article/view/73625 |
| _version_ | 1818881431562092544 |
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| author | Vinicius de Oliveira Damasceno Tercio Araújo do Rego Barros Willemax dos Santos Gomes Jhonnatan Vasconcelos Pereira Santos Daniela Karina da Silva Ferreira Eduardo Zapaterra Campos André dos Santos Costa |
| author_facet | Vinicius de Oliveira Damasceno Tercio Araújo do Rego Barros Willemax dos Santos Gomes Jhonnatan Vasconcelos Pereira Santos Daniela Karina da Silva Ferreira Eduardo Zapaterra Campos André dos Santos Costa |
| author_sort | Vinicius de Oliveira Damasceno |
| collection | DOAJ |
| description | The purpose of this present study was to develop and validate a prediction equation for body composition assessment using anthropometric measures of elderly women. This is cross-sectional correlational study with 243 older women ± 64.5 years old and body mass index (BMI) ± 28.70 kg/m². For the development of the equation it was utilized the method of hold-out sample validation. The participants were randomly divided into equation development group (96 elderly women) and a group for validation (147 elderly women). Total body mass, height, waist and hip circumferences, ratio waist-hip ratio and BMI were measured. The whole-body dual-energy X-ray absorptiometry (DXA) assessed body composition (percentage of body fat, fat mass, and fat-free mass). The equations were developed using multiple linear regression, with validation by the stepwise method; the comparison of the equations was analyzed by the paired Student's t test and the analysis of residual scores by the method of Blant and Altman. The New Equation presents a strong correlation (R = 0.83) and (R² = 0.69), and a standard error of estimation equals to 3.21% for percentage body fat prediction. The mean difference between the estimations of percentage body fat from DXA and the New Equation was 0.11% (t(0,180); P = 0.850). Therefore, the New Equation had an accuracy of 93.5% and a total error of 1.8%. The body fat estimation in older women using this New Equation based on BMI and age is valid and accurate. |
| first_indexed | 2024-12-19T15:01:45Z |
| format | Article |
| id | doaj.art-007583b8050d47d9a82641b960a0b68e |
| institution | Directory Open Access Journal |
| issn | 1415-8426 1980-0037 |
| language | English |
| last_indexed | 2024-12-19T15:01:45Z |
| publishDate | 2020-11-01 |
| publisher | Universidade Federal de Santa Catarina |
| record_format | Article |
| series | Revista Brasileira de Cineantropometria e Desempenho Humano |
| spelling | doaj.art-007583b8050d47d9a82641b960a0b68e2022-12-21T20:16:33ZengUniversidade Federal de Santa CatarinaRevista Brasileira de Cineantropometria e Desempenho Humano1415-84261980-00372020-11-0122Development and validation of an equation to estimate body fat in elderly womenVinicius de Oliveira Damasceno0Tercio Araújo do Rego Barros1Willemax dos Santos Gomes2Jhonnatan Vasconcelos Pereira Santos3Daniela Karina da Silva Ferreira4Eduardo Zapaterra Campos5André dos Santos Costa6Federal University of PernambucoFederal University of PernambucoFederal University of PernambucoFederal University of PernambucoFederal University of PernambucoFederal University of PernambucoFederal University of PernambucoThe purpose of this present study was to develop and validate a prediction equation for body composition assessment using anthropometric measures of elderly women. This is cross-sectional correlational study with 243 older women ± 64.5 years old and body mass index (BMI) ± 28.70 kg/m². For the development of the equation it was utilized the method of hold-out sample validation. The participants were randomly divided into equation development group (96 elderly women) and a group for validation (147 elderly women). Total body mass, height, waist and hip circumferences, ratio waist-hip ratio and BMI were measured. The whole-body dual-energy X-ray absorptiometry (DXA) assessed body composition (percentage of body fat, fat mass, and fat-free mass). The equations were developed using multiple linear regression, with validation by the stepwise method; the comparison of the equations was analyzed by the paired Student's t test and the analysis of residual scores by the method of Blant and Altman. The New Equation presents a strong correlation (R = 0.83) and (R² = 0.69), and a standard error of estimation equals to 3.21% for percentage body fat prediction. The mean difference between the estimations of percentage body fat from DXA and the New Equation was 0.11% (t(0,180); P = 0.850). Therefore, the New Equation had an accuracy of 93.5% and a total error of 1.8%. The body fat estimation in older women using this New Equation based on BMI and age is valid and accurate.https://periodicos.ufsc.br/index.php/rbcdh/article/view/73625AgedAnthropometryBody composition |
| spellingShingle | Vinicius de Oliveira Damasceno Tercio Araújo do Rego Barros Willemax dos Santos Gomes Jhonnatan Vasconcelos Pereira Santos Daniela Karina da Silva Ferreira Eduardo Zapaterra Campos André dos Santos Costa Development and validation of an equation to estimate body fat in elderly women Revista Brasileira de Cineantropometria e Desempenho Humano Aged Anthropometry Body composition |
| title | Development and validation of an equation to estimate body fat in elderly women |
| title_full | Development and validation of an equation to estimate body fat in elderly women |
| title_fullStr | Development and validation of an equation to estimate body fat in elderly women |
| title_full_unstemmed | Development and validation of an equation to estimate body fat in elderly women |
| title_short | Development and validation of an equation to estimate body fat in elderly women |
| title_sort | development and validation of an equation to estimate body fat in elderly women |
| topic | Aged Anthropometry Body composition |
| url | https://periodicos.ufsc.br/index.php/rbcdh/article/view/73625 |
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