child_reference_FFMandFM: FFM and FM reference

Description Usage Arguments Author(s) References See Also Examples

View source: R/child_reference_FFMandFM.R

Description

Estimates FFM and FM reference given age, sex.

Usage

1

Arguments

age

(vector) Age of individual (yrs)

sex

(vector) Sex either "female" or "male"

Optional

Author(s)

Rodrigo Zepeda-Tello rzepeda17@gmail.com

Dalia Camacho-García-Formentí daliaf172@gmail.com

References

Hall, K. D., Butte, N. F., Swinburn, B. A., & Chow, C. C. (2013). Dynamics of childhood growth and obesity: development and validation of a quantitative mathematical model. The Lancet Diabetes & Endocrinology, 1(2), 97-105.

Haschke, F. (1989). Body Composition During Adolescence. Body Composition Measurements in Infants and Children. Ross Laboratories Columbus, OH, 76–83.

Fomon, Samuel J, Ferdinand Haschke, Ekhard E Ziegler, and Steven E Nelson. 1982. Body Composition of Reference Children from Birth to Age 10 Years. The American Journal of Clinical Nutrition 35 (5). Am Soc Nutrition: 1169–75.

Ellis, Kenneth J, Roman J Shypailo, Steven A Abrams, and William W Wong. 2000. The Reference Child and Adolescent Models of Body Composition: A Contemporary Comparison. Annals of the New York Academy of Sciences 904 (1). Wiley Online Library: 374–82.

Deurenberg, Paul, Jan A Weststrate, and Jaap C Seidell. 1991. Body Mass Index as a Measure of Body Fatness: Age-and Sex-Specific Prediction Formulas. British Journal of Nutrition 65 (2). Cambridge University Press: 105–14.

Katan, Martijn B, Janne C De Ruyter, Lothar DJ Kuijper, Carson C Chow, Kevin D Hall, and Margreet R Olthof. 2016. Impact of Masked Replacement of Sugar-Sweetened with Sugar-Free Beverages on Body Weight Increases with Initial Bmi: Secondary Analysis of Data from an 18 Month Double–Blind Trial in Children. PloS One 11 (7). Public Library of Science: e0159771.

See Also

model_plot for plotting the results and model_mean for aggregate data estimation.

Examples

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#One child
child_reference_FFMandFM(6, "male")

#Several children
child_reference_FFMandFM(sample(6:12, 10, replace = TRUE), 
                   sample(c("male","female"), 10, replace = TRUE))

bw documentation built on July 5, 2018, 5:03 p.m.