A Comparison of Equation Córdoba for Estimation of Body Fat (ECORE-BF) with Other Prediction Equations
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Design, Population, and Sample
2.2. Study Variables and Measurement
2.3. Ethical and Legal Aspects
2.4. Statistical Analysis
3. Results
3.1. Comparison of the Different Estimation Formulas and Adiposity Indexes
3.1.1. Correlations between the Different Formulas and CUN-BAE
3.1.2. Lin’s Concordance between the Different Formulas and CUN-BAE
4. Discussion
5. Study Limitations and Strengths
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Name | Formula |
---|---|
CUN-BAE (BF%) | −44.988 + (0.503 × Age) + (10.689 × Sex) + (3.172 × BMI) − (0.026 × BMI2) + (0.181 × BMI × Sex) − (0.02 × BMI × Age) − (0.005 × BMI2 × Sex) + (0.00021 × BMI2 × Age) |
ECORE-BF (BF%) | −97.102 + (0.123 × Age) + (11.900 × Sex) + (35.959 × LnBMI) |
RFM (BF%) | 64 − (20 × [height/WC]) + (12 × Sex) |
Palafolls (BF%) | ([BMI/WC] × 10) + BMI + (10 × Sex) |
Deurenberg (BF%) | (1.20 × BMI) + (0.23 × Age) − (10.8 × Sex) − 5.4 |
Variables | Total (n = 196,844) | Women (n = 82,104) | Men (n = 114,740) | p-Value |
---|---|---|---|---|
Mean (SD) or n (%) | ||||
Age (years) | 40 (10.6) | 39.4 (10.5) | 40.4 (10.7) | <0.001 |
Weight (kg) | 74.8 (16) | 65.8 (13.6) | 81.3 (14.3) | <0.001 |
Height (cm) | 169.1 (9.3) | 161.7 (6.5) | 174.4 (7) | <0.001 |
WC (cm) | 83.4 (10.7) | 75.9 (8.2) | 88.7 (8.9) | <0.001 |
BMI (kg/m2) | 26.1 (4.7) | 25.2 (5) | 26.7 (4.3) | <0.001 |
Normal weight | 90,733 (46.1%) | 47,175 (57.5%) | 43,558 (38%) | <0.001 |
Overweight | 71,109 (36.1%) | 22,185 (27%) | 48,924 (42.6%) | <0.001 |
Obesity | 35,002 (17.8%) | 12,744 (15.5%) | 22,258 (19.4%) | <0.001 |
CUN-BAE (%) | 29.5 (8.2) | 35 (7) | 25.5 (6.4) | <0.001 |
Normal weight | 41,879 (21.3%) | 21,121 (25.7%) | 21,595 (18.8%) | <0.001 |
Overweight | 57,765 (29.3%) | 22,704 (27.7%) | 33,390 (29.1%) | <0.001 |
Obesity | 97,200 (49.4%) | 38,279 (46.6%) | 59,755 (51.1%) | <0.001 |
ECORE-BF (BF%) | 29.5 (8.1) | 35 (7.2) | 25.5 (6.1) | <0.001 |
RFM (BF%) | 27.9 (6) | 32.9 (4.5) | 24.3 (4) | <0.001 |
Palafolls (BF%) | 33.4 (6.6) | 38.5 (5.4) | 29.7 (4.6) | <0.001 |
Deurenberg (BF%) | 28.8 (7.9) | 33.9 (7) | 25.1 (6.3) | <0.001 |
ECORE-BF | RFM | Palafolls | Deurenberg | |
---|---|---|---|---|
Total | 0.998 | 0.821 | 0.973 | 0.986 |
Women | 0.998 | 0.730 | 0.963 | 0.981 |
Men | 0.998 | 0.710 | 0.970 | 0.979 |
Normal weight | 0.998 | 0.756 | 0.958 | 0.988 |
Overweight | 1 | 0.831 | 0.979 | 0.976 |
Obesity | 0.995 | 0.835 | 0.987 | 0.967 |
<32 years * | 0.998 | 0.824 | 0.985 | 0.991 |
33–40 years * | 0.999 | 0.834 | 0.990 | 0.994 |
41–48 years * | 0.999 | 0.837 | 0.993 | 0.995 |
> 49 years * | 0.998 | 0.851 | 0.993 | 0.992 |
ECORE-BF | RFM | Palafolls | Deurenberg | |
---|---|---|---|---|
Total | 0.998 | 0.765 | 0.836 | 0.981 |
Women | 0.997 | 0.625 | 0.808 | 0.968 |
Men | 0.997 | 0.662 | 0.718 | 0.977 |
Normal weight | 0.997 | 0.741 | 0.653 | 0.983 |
Overweight | 1 | 0.767 | 0.844 | 0.960 |
Obesity | 0.993 | 0.527 | 0.950 | 0.954 |
<32 years * | 0.997 | 0.772 | 0.715 | 0.961 |
33–40 years * | 0.999 | 0.794 | 0.828 | 0.979 |
41–48 years * | 0.999 | 0.759 | 0.898 | 0.990 |
>49 years * | 0.998 | 0.702 | 0.958 | 0.989 |
Mean Difference (SD) | Limit of Agreement (Lower, Upper) | |
---|---|---|
ECORE−BF: | ||
Total | −0.0077 (0.4922) | −0.9723, 0.9569 |
Women | −0.022 (0.5037) | −1.009, 0.9652 |
Men | 0.0026 (0.4835) | −0.945, 0.9502 |
Normal weight | 0.0811 (0.4888) | −0.8769, 1.039 |
Overweight | −0.0151 (0.17) | −0.3492, 0.319 |
Obesity | −0.223 (0.786) | −1.76, 1.32 |
<32 years * | 0.18 (0.61) | −1.01, 1.37 |
33–40 years * | −0.07 (0.38) | −0.82, 0.67 |
41–48 years * | −0.12 (0.35) | −0.8, 0.55 |
>49 years * | −0.03 (0.52) | −1.05, 0.98 |
RFM: | ||
Total | −1.57 (4.71) | −10.80, 7.66 |
Women | −2.04 (4.86) | −11.56, 7.48 |
Men | −1.23 (4.57) | −10.19, 7.72 |
Normal weight | 0.8 (4.35) | −7.72, 9.32 |
Overweight | −2.16 (3.32) | −8.68, 4.35 |
Obesity | −6.51 (3.68) | −13.72, 0.7 |
<32 years * | 1.20 (4.79) | −8.18, 10.57 |
33–40 years * | −1.23 (4.3) | −9.68, 7.21 |
41–48 years * | −2.63 (4.1) | −10.63, 5.37 |
>49 years * | −4.05 (3.84) | −11.56, 3.47 |
Palafolls: | ||
Total | 3.88 (2.32) | −0.66, 8.43 |
Women | 3.48 (2.32) | −1.08, 8.04 |
Men | 4.17 (2.27) | −0.28, 8.63 |
Normal weight | 5.39 (2.23) | −1.02, 9.77 |
Overweight | 2.96 (1.46) | 0.1, 5.82 |
Obesity | 1.84 (1.1) | −0.31, 4 |
<32 years * | 6.18 (2.17) | 1.93, 10.42 |
33–40 years * | 4.28 (1.6) | 1.15, 7.4 |
41–48 years * | 3.02 (1.3) | −0.47, 5.57 |
>49 years * | 1.69 (1.13) | −0.51, 3.9 |
Deurenberg: | ||
Total | −0.70 (1.39) | −3.42, 2.02 |
Women | −1.13 (1.37) | −3.82, 1.55 |
Men | −0.4 (1.31) | −2.98, 2.2 |
Normal weight | −0.33 (1.1) | −2.49, 1.83 |
Overweight | −1.06 (1.3) | −3.6, 1.48 |
Obesity | −0.95 (1.9) | −4.68, 2.78 |
<32 years * | −1.61 (1.5) | −4.55, 1.34 |
33–40 years * | −1.11 (1.08) | −3.23, 1.01 |
41–48 years * | −0.49 (0.87) | −2.19, 1.22 |
>49 years * | 0.56 (0.9) | −1.2, 2.33 |
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Molina-Luque, R.; Yañez, A.M.; Bennasar-Veny, M.; Romero-Saldaña, M.; Molina-Recio, G.; López-González, Á.-A. A Comparison of Equation Córdoba for Estimation of Body Fat (ECORE-BF) with Other Prediction Equations. Int. J. Environ. Res. Public Health 2020, 17, 7940. https://doi.org/10.3390/ijerph17217940
Molina-Luque R, Yañez AM, Bennasar-Veny M, Romero-Saldaña M, Molina-Recio G, López-González Á-A. A Comparison of Equation Córdoba for Estimation of Body Fat (ECORE-BF) with Other Prediction Equations. International Journal of Environmental Research and Public Health. 2020; 17(21):7940. https://doi.org/10.3390/ijerph17217940
Chicago/Turabian StyleMolina-Luque, Rafael, Aina M Yañez, Miquel Bennasar-Veny, Manuel Romero-Saldaña, Guillermo Molina-Recio, and Ángel-Arturo López-González. 2020. "A Comparison of Equation Córdoba for Estimation of Body Fat (ECORE-BF) with Other Prediction Equations" International Journal of Environmental Research and Public Health 17, no. 21: 7940. https://doi.org/10.3390/ijerph17217940