Table 2. List of reference curves generated from the 2008 NHANES DXA whole body data set.

DXA Measure	Independent Variable	Age Group	Supplemental Table and Figure
Fat Mass/Height2 (FMI)	Age	Adult Only	S1
Total Body % Fat	Age	Adult and Pediatric	S2 and S9
% Fat Trunk/% Fat Legs	Age	Adult Only	S3
Trunk/Limb Fat Mass Ratio	Age	Adult Only	S4
Lean Mass/Height2	Age	Adult and Pediatric	S5 and S10
Appendicular Lean Mass/Height2	Age	Adult Only	S6
Total Body BMD	Age	Adult and Pediatric	S7 and S11
Total Body BMC	Age	Adult and Pediatric	S8 and S12
Sub-total Body BMD (excludes head)	Age	Pediatric Only	S13
Sub-total Body BMC (excludes head)	Age	Pediatric Only	S14
Total Body BMD	Height	Pediatric Only	S15
Total Body BMC	Height	Pediatric Only	S16
Sub-total Body BMD (excludes head)	Height	Pediatric Only	S17
Sub-total Body BMC (excludes head)	Height	Pediatric Only	S18
Total Lean Mass	Height	Pediatric Only	S19
Sub-total Body BMC (excludes head)	Total Lean Mass	Pediatric Only	S20

For each whole body DXA measure in column 1, male and female reference curves for White, Black, and Mexican American subjects were modeled against the independent variable in column 2. Adult age range is 20 to 85 years; Pediatric age range is 8 to 20 years.