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Body metric estimations

Erik Johansson edited this page May 2, 2018 · 5 revisions

Following are body metric estimations that are implemented in openScale based on scientific publications

Body fat estimation

Author Publication Formula
Deurenberg et. al (1991) "Body mass index as a measure of body fatness: age- and sex-specific prediction formulas" in British Journal of Nutrition vol 65, Issue 2 pp. 105-114 Male: (BMI * 1.2) + (AGE * 0.23) - 16.2
Female: (BMI * 1.2) + (AGE * 0.23) - 5.4
Deurenberg (1992) "The assessment of body composition: use and misuse" Annual report Nestle Foundation, 35 - 72 AGE >= 16: (1.2 * BMI) + (0.23*AGE) - (10.8*(isMale) - 5.4
AGE < 16: (1.294 * BMI) + (0.20*AGE) - (11.4*isMale) - 8.0
Eddy et. al (1976) Found in "Research into Obesity" Compiled by James W, Research into Obesity, HMSO 1976, p9. ISBN 11 450034 7 Male: (1.281* BMI) - 10.13
Female: (1.48* BMI) - 7.0
Gallagher et. al [non-asian] (2000) "Healthy percentage body fat ranges: an approach for developing guidelines based on body mass index" in American Society for Clinical Nutrition non-asian Male: 64.5 - 848.0 * (1.0 / BMI) + 0.079 * AGE - 16.4 + 0.05 * AGE + 39.0 * (1.0f / BMI)
non-asian Female: 64.5 - 848.0 * (1.0f / BMI) + 0.079 * AGE
Gallagher et. al [asian] (2000) "Healthy percentage body fat ranges: an approach for developing guidelines based on body mass index" in American Society for Clinical Nutrition asian Male: 51.9 - 740.0 * (1.0 / BMI) + 0.029 * AGE
asian Female: 64.8 - 752.0 * (1.0f / BMI) + 0.016 * AGE

Body water estimation

Author Publication Formula
Behnke et. al (1963) "ANTHROPOMETRIC EVALUATION OF BODY COMPOSITION THROUGHOUT LIFE" in Annals of the New York Academy of Sciences vol 110 Male: 0.72 * (0.204 * BODY_HEIGHT^2) / 100.0
Female: 0.72 * (0.18 * BODY_HEIGHT^2) / 100.0
Delwaide-Crenier et. al (1973) "Body potassium as related to lean body mass measured by total water determination and by anthropometric method" in Human Biology 45, 509-526 0.72 * (-1.976 + 0.907 * WEIGHT)
Hume & Weyers (1971) "Relationship between total body water and surface area in normal and obese subjects" in J Clin Path. 1971; 24: 234-238 Male: (0.194786 * BODY_HEIGHT) + (0.296785 * WEIGHT) - 14.012934
Female: (0.34454 * BODY_HEIGHT) + (0.183809 * WEIGHT) - 35.270121
Lee, Song, Kim, Lee et. al (2001) "Assessment of total body water from anthropometry‐based equations using bioelectrical impedance as reference in Korean adult control and haemodialysis subjects" in Nephrology Dialysis Transplantation, Volume 16, Issue 1, 1 January 2001, Pages 91–97 Male: -28.3497 + (0.243057 * BODY_HEIGHT) + (0.366248 * WEIGHT)
Female: -26.6224 + (0.262513 * BODY_HEIGHT) + (0.232948 * WEIGHT)

Lean body mass estimation

Author Publication Formula
Boer (1984) "Estimated lean body mass as an index for normalization of body fluid volumes in humans" in Am J Physiol. 1984 Oct;247(4 Pt 2):F632-6. Male: (0.4071 * WEIGHT) + (0.267 * BODY_HEIGHT) - 19.2
Female: (0.252 * WEIGHT) + (0.473 * BODY_HEIGHT) - 48.3
Hume (1966) "Prediction of lean body mass from height and weight" in J Clin Pathol. 1966 Jul;19(4):389-91. Male: (0.32810 * WEIGHT) + (0.33929 * BODY_HEIGHT) - 29.5336
Female: (0.29569 * WEIGHT) + (0.41813 * BODY_HEIGHT) - 43.2933
Weight - Body fat Set lean body mass by subtracting the measured/estimated body fat from the weight. WEIGHT - BODY_FAT