Table 2. Bivariate correlation matrix among age and body composition variables.

Age

TBW

ICW

ECW

LTM

BMC

TBW

-.25

1.0

ICW

-.44*

.96**

1.0

ECW

.14

.85**

.66**

1.0

LTM

-.11

.88**

.74**

.93**

1.0

BMC

-.08

.62**

.60**

.52**

.63**

1.0

FM

.04

.38*

.22

.56**

.57**

-.04

TBW = Total body water; ICW = Intracellular water; ECW = Extracellular water; LTM = Lean tissue mass; BMC = Bone mineral content; FM = Fat mass; Body water estimated from multi-frequency bioelectrical impedance analysis; Body lean, bone, and fat estimated from dual-energy X-ray absorptiometry.* p < 0.05, ** p < 0.01