Table 4.

Variance analysis table for bone mineral traits (BMD/BMC).

			BMD		BMC
Effect	No. DF (degrees of freedom)	Den. DF	$F$ value	Pr $\mathit{>}F$	$F$ value	Pr $\mathit{>}F$
Sex (GE)	2	2626	74.71	< 0.0001	7.29	0.0007
Group (GR)	2	2626	23.37	< 0.0001	12.56	< 0.0001
Scan number (scan)	2	2626	10 787.4	< 0.0001	4838.60	< 0.0001
GE $\times$ GR	4	2626	17.10	< 0.0001	5.86	0.0001
GR $\times$ scan	4	2626	8.70	< 0.0001	4.72	0.0009
GE $\times$ scan	4	2626	3.53	0.0070	0.59	0.6727
Region	8	2626	4708.73	< 0.0001	14 590.8	< 0.0001
Scan $\times$ region	16	2626	99.46	< 0.0001	1466.94	< 0.0001