Predictive formulas for estimation of height in sub-Saharan African older people: A new formula (EPIDEMCA study).

Nutrition
Pierre JésusJean-Claude Desport

Abstract

Chumlea's formulas are a way of predicting height from knee height (KHt), including among individuals >60 y of age who cannot stand upright. However, the formulas were developed with white and African American people and have not yet been validated in native Africans >60 y of age. The aims of the study were to assess Chumlea's formulas in older people in central Africa and to propose a new validated formula for the same population. Height (MHt) and KHt were measured in a population of individuals >65 y of age from the Republic of Congo and the central African Republic. Predicted height (PHt) was calculated using Chumlea's formulas for the American black population (CBP) and for whites (CC). The percentages of accurate predictions (±5 cm) were compared between MHt and PHt. A new formula was estimated after randomization in a derivation sample (n = 877) and assessed for accuracy in a validation sample (n = 877). The study included 1754 individuals. Prediction was accurate (±5 cm) in 66.8% and 63.2% of CBP and CC, respectively. Overestimation was as high as 24.1% and 29%, respectively. Because an overestimation is unacceptable in clinical practice and population surveys, a new formula was proposed: height (cm) = 72.75 + (1.86 × KH...Continue Reading

References

Nov 1, 1992·Journal of Gerontology·W C Chumlea, S Guo
Feb 1, 1985·Journal of the American Geriatrics Society·W C ChumleaM L Steinbaugh
Jun 17, 2011·Neuroepidemiology·Moussiliou N ParaïsoDismand S Houinato
Feb 18, 2012·Journal of Nutrition in Gerontology and Geriatrics·L A AdebusoyeA O Ogunniyi
Feb 18, 2012·Journal of Nutrition in Gerontology and Geriatrics·Maureen J CheserekJoyce K Kikafunda
Sep 11, 2012·BMC Public Health·Bemnet AmareAfework Kassu
May 29, 2013·Annals of African Medicine·E O SanyaT O Olanrewaju
May 26, 2015·Journal of Epidemiology·Fatai A Maruf, Nwannedimma V Udoji
Jun 10, 2015·The Journal of Nutrition, Health & Aging·S PilleronM Guerchet
Sep 26, 2015·Malawi Medical Journal : the Journal of Medical Association of Malawi·S N MhangoB Mwagomba

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