- Erratum
- Open Access
Erratum to: Physiological models of body composition and human obesity
https://doi.org/10.1186/1743-7075-6-7
© Levitt et al; licensee BioMed Central Ltd. 2009
- Received: 13 February 2009
- Accepted: 16 February 2009
- Published: 16 February 2009
The original article was published in Nutrition & Metabolism 2007 4:19
Abstract
Correction to Levitt DG, Heymsfield SB, Pierson Jr RN, Shapses SA, Kral JG: Physiological models of body composition and human obesity. Nutrition & Metabolism 2007, 4:19
Correction
Caucasian males: Dependence of fat fraction on age for two BMI ranges.
BMI Range | Ave age (SD) | Age range | Ave BMI | Ave Fat Fraction | N |
---|---|---|---|---|---|
18 – 24 | 21.86 (2.44) | 18 – 25 | 22.19 (1.08) | 0.1193 (.046) | 29 |
29.94 (2.36) | 26 – 33 | 22.12 (1.34) | 0.134 (.048) (NS) | 32 | |
52.83 (19.42) | 34 – 84 | 22.39 (1.31) | 0.173 (.057) (p < .01) | 30 | |
24 – 44 | 25.94 (2.66) | 21 – 30 | 27.64 (4.00) | 0.188 (.084) | 47 |
38.17 (5.07) | 31 – 48 | 27.42 (3.96) | 0.211 (.072) (NS) | 48 | |
66.25 (10.69) | 49 – 97 | 27.93 (3.41) | 0.284 (.075) (p < .01) | 47 |
Caucasian females: Dependence of fat fraction on age for three BMI ranges.
BMI Range | Ave age (SD) | Age range | Ave BMI | Ave Fat Fraction | N |
---|---|---|---|---|---|
17 – 22 | 24.95 (3.41) | 18 – 30 | 20.00 (1.38) | 0.219 (.045) | 42 |
38.04 (5.87) | 30 – 49 | 20.60 (1.07) | 0.241 (.056) (p < .05) | 42 | |
63.32 (11.18) | 49 – 89 | 20.55 (1.01) | 0.298 (.053) (p < .01) | 40 | |
22 – 25.9 | 26.14 (4.72) | 18 – 33 | 23.30 (1.03) | 0.26 (.049) | 43 |
39.12 (4.91) | 33 – 51 | 23.45 (1.05) | 0.30 (.055) (p < .01) | 41 | |
68.12 (10.47) | 52 – 88 | 24.12 (1.15) | 0.36 (.059) (p < .01) | 39 | |
26 – 56 | 34.94 (6.198) | 21 – 45 | 31.19 (6.12) | 0.408 (.074) | 36 |
54.0 (4.69) | 46 – 61 | 31.72 (5.89) | .428 (.056) (NS) | 35 | |
70.49 (6.87) | 62 – 90 | 29.36 (2.68) | 0.414 (.053) (NS) | 35 |
Ethnic dependence of BMI versus fat fraction for males.
N | Age range (ave) | BMI range (ave) | Ave Fat Fract. (SD) | |
---|---|---|---|---|
Caucasian | 129 | 20 – 57 (37.4) | 22 – 34 (25.42) | 0.321 (0.071) |
Black | 95 | 20 – 52 (37.8) | 20 – 34 (26.57) | 0.328 (0.074) (NS) |
Hispanic | 37 | 20 – 60 (36.1) | 20 – 34 (25.40) | 0.311 (0.09) (NS) |
Puerto Rican | 41 | 20 – 52 (35.7) | 20 – 30 (26.18) | 0.348 (0.058) (p < .05) |
Caucasian | 153 | 23 – 53 (35.41) | 17 – 25 (21.72) | 0.257 (.061) |
Asian | 35 | 23 – 53 (36.7) | 17 – 28 (21.25) | 0.282 (.066) (p = 0.07) |
Ethnic dependence of BMI versus fat fraction for females.
N | Age range (ave) | BMI range (ave) | Ave Fat Fract. (SD) | |
---|---|---|---|---|
Caucasian | 129 | 20 – 57 (37.4) | 22 – 34 (25.42) | 0.321 (0.071) |
Black | 95 | 20 – 52 (37.8) | 20 – 34 (26.57) | 0.328 (0.074) (NS) |
Hispanic | 37 | 20 – 60 (36.1) | 20 – 34 (25.40) | 0.311 (0.09) (NS) |
Puerto Rican | 41 | 20 – 52 (35.7) | 20 – 30 (26.18) | 0.348 (0.058) (p < .05) |
Caucasian | 153 | 23 – 53 (35.41) | 17 – 25 (21.72) | 0.257 (.061) |
Asian | 35 | 23 – 53 (36.7) | 17 – 28 (21.25) | 0.282 (.066) (p = 0.07) |
Comparison of linear (eq. (16)) and non-linear (eq. (9)) regression expressions for predicting body fat fraction from BMI and age.
Subjects | ± Age | Linear | Non-linear Model I | ||||||
---|---|---|---|---|---|---|---|---|---|
a | b | c | MSR | BMI0 | f1 | c | MSR | ||
Male Caucasians | No | -.166 | .0141 | ---- | 0.00404 | 17.20 | .624 | ---- | .00409 |
Yes | -.218 | .0129 | .00207 | 0.00263 | 19.15 | .500 | .00194 | .00287 | |
Male Caucasian +Hispanic+Black | No | -.145 | .0134 | ----- | .00380 | 16.71 | .594 | ---- | .00385 |
Yes | -.206 | .0127 | .00182 | 0.00270 | 18.73 | .496 | .00172 | .00288 | |
Male Asian | Yes | -.156 | .0126 | .00169 | 0.00201 | 15.72 | .438 | .00169 | .00212 |
Male Puerto Rican | Yes | -.155 | .0119 | .00163 | 0.00189 | 17.84 | .536 | .00150 | .00188 |
Female Caucasian | No | 0.0409 | .0113 | ----- | 0.00391 | 13.50 | .739 | ----- | .00314 |
Yes | -.0240 | .0104 | .00186 | 0.00281 | 14.39 | .635 | .00151 | .00244 | |
Female Caucasian +Hispanic+Black | No | 0.0494 | .0109 | ------ | .00351 | 13.50 | .728 | ----- | .00276 |
Yes | -.0160 | .0104 | .00169 | 0.00260 | 14.37 | .642 | .00132 | .00222 | |
Female Asian | Yes | -.0903 | .0153 | .00122 | 0.00137 | 12.38 | .573 | .00122 | .00140 |
Female Puerto Rican | Yes | 0.0718 | .00919 | .000947 | .00159 | 12.82 | .639 | .000737 | .00142 |
Prediction of fat fraction from BMI for Caucasian + Black + Hispanic subjects.
Subjects | Linear | Model I | Model II | |||||||
---|---|---|---|---|---|---|---|---|---|---|
a | b | MSR | f1 | BMI0 | MSR | f1 | f0 | BMI0 | MSR | |
Male: 18 – 89 | -.145 | .0134 | .0038 | .594 | 16.71 | 0.00385 | .647 | .129 | 22.00 | 0.00377 |
Male: 18 – 31 | -.201 | .0134 | .00273 | .543 | 19.39 | 0.00315 | .706 | .118 | 23.78 | 0.00261 |
Male: 32 – 50 | -.133 | .0119 | .00303 | .505 | 16.54 | 0.00312 | .619 | .153 | 23.54 | 0.00281 |
Male: 51 – 89 | -.126 | .0136 | .00310 | .628 | 16.28 | .00299 | .661 | .167 | 21.43 | 0.00283 |
Female: 18 – 90 | +.0494 | .0109 | .00351 | .728 | 13.50 | .00276 | .745 | .220 | 19.65 | 0.00272 |
Female: 18 – 31 | -.00685 | .0116 | .00237 | .695 | 13.99 | .00225 | .774 | .214 | 21.30 | 0.00181 |
Female: 32 – 50 | +0.0700 | .00963 | .00306 | .723 | 13.86 | .00212 | .737 | .208 | 19.71 | 0.00209 |
Female: 51 – 90 | +0.106 | .0101 | .00225 | .681 | 11.57 | .00210 | .682 | .249 | 18.28 | 0.00210 |
Prediction of fat fraction from body density for Caucasian + Black + Hispanic subjects.
Subjects | a | b | f0 | f1 | d0 | d1 | MSRls | MSRsiri1 | MSRsiri2 | MSRbro |
---|---|---|---|---|---|---|---|---|---|---|
Male: 18 – 89 | 4.63 | 4.208 | 0.129 | 0.647 | 1.0678 | 0.954 | .000481 | .000693 | .000711 | 0.000553 |
Male: 18 – 31 | 4.912 | 4.475 | 0.118 | 0.706 | 1.0695 | 0.948 | .000402 | .000536 | .000597 | 0.000532 |
Male: 32 – 50 | 4.559 | 4.141 | 0.153 | 0.619 | 1.061 | 0.958 | .000457 | .000723 | .000614 | .000562 |
Male: 51 – 89 | 4.231 | 3.821 | 0.167 | 0.661 | 1.0612 | 0.944 | .000516 | .000853 | .000957 | .000568 |
Female: 18 – 90 | 4.673 | 4.239 | 0.220 | 0.745 | 1.048 | 0.9376 | .000640 | .000813 | .00202 | .000662 |
Female: 18 – 31 | 4.779 | 4.339 | 0.214 | 0.774 | 1.050 | .935 | .000616 | .00066 | .00178 | .000661 |
Female: 32 – 50 | 4.785 | 4.347 | 0.208 | 0.737 | 1.050 | .941 | .000538 | .000653 | .00191 | .000576 |
Female: 51 – 90 | 4.606 | 4.175 | 0.249 | 0.682 | 1.041 | .948 | .000722 | .00102 | .00223 | .000732 |
Notes
Authors’ Affiliations
References
- Levitt DG, Heymsfield SB, Pierson RN Jr, Shapses SA, Kral JG: Physiological models of body composition and human obesity. Nutrition & Metabolism 2007, 4: 19. 10.1186/1743-7075-4-19View ArticleGoogle Scholar
Copyright
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.