Latin R W, Johnson S C, Ruhling R O
J Gerontol. 1987 Jan;42(1):24-8. doi: 10.1093/geronj/42.1.24.
This study sought to derive equations for the functions of estimating the body density (Db), lean body weight (LBW), and percentage body fat (PBF) of older men. Hydrostatic weighing was used to determine the criterion measures of 25 older men, 56 to 70 years of age (M = 62.1, SD = 4.2 years). A stepwise multiple regression analysis of these data developed equations for each variable with multiple correlation coefficients and standard error of estimates of the most practical (p less than .001) being: Db = .857, 0.0047 g/ml; LBW = .954, 2.08 kg; PBF = .842, 2.36%, respectively. The accuracy of these results are commensurate with others reported in the literature.
本研究旨在推导用于估算老年男性身体密度（Db）、去脂体重（LBW）和体脂百分比（PBF）的函数方程。采用水下称重法确定了25名年龄在56至70岁之间（M = 62.1，SD = 4.2岁）老年男性的标准测量值。对这些数据进行逐步多元回归分析，得出了每个变量的方程，其多重相关系数和最实用的估计标准误差（p小于0.001）分别为：Db = 0.857，0.0047克/毫升；LBW = 0.954，2.08千克；PBF = 0.842，2.36%。这些结果的准确性与文献中报道的其他结果相当。
