Table 4.

Mixed model estimates of each body composition measure

Parameter	Weight (kg)	P-value	BMI	P-value	FFM	P-value	FM	P-value	BF%	P-value
Constant	79.9 ± 4.1		29.4 ± 1.2		49.5 ± 2.1		30.3 ± 2.7		36.8 ± 1.7
CKD intercept	8.0 ± 2.8	<0.01	3.8 ± 0.8	<0.0001	−0.9 ± 1.4	0.52	8.9 ± 1.8	<0.0001	6.7 ± 1.2	<0.0001
Elderly intercept	−9.1 ± 2.0	<0.0001	−2.0 ± 0.6	<0.01	−7.0 ± 1.0	<0.0001	−2.0 ± 1.4	0.14	1.4 ± 0.9	0.11
Male intercept	13.1 ± 3.2	<0.0001	−0.7 ± 1.0	0.49	17.1 ± 1.6	<0.0001	−4.0 ± 2.2	0.07	−9.6 ± 1.4	<0.0001
Black intercept	2.8 ± 1.9	0.14	0.7 ± 0.6	0.23	2.9 ± 1.0	<0.01	−0.1 ± 1.3	0.93	−1.1 ± 0.8	0.16
Slope (per year)	0.668 ± 1.020	0.51	0.418 ± 0.343	0.22	0.401 ± 0.403	0.32	0.057 ± 0.971	0.95	−0.006 ± 0.689	0.99
CKD slope	−0.669 ± 0.567	0.24	−0.207 ± 0.189	0.27	−0.110 ± 0.169	0.51	−0.508 ± 0.530	0.34	−0.483 ± 0.351	0.17
Elderly slope	−1.919 ± 0.512	<0.001	−0.642 ± 0.171	<0.001	−0.555 ± 0.159	<0.001	−1.308 ± 0.482	<0.01	−0.463 ± 0.326	0.16
Male slope	1.112 ± 0.902	0.22	0.248 ± 0.304	0.42	−0.587 ± 0.391	0.13	1.866 ± 0.867	0.03	1.244 ± 0.633	0.05
Black slope	−0.762 ± 0.499	0.13	−0.230 ± 0.167	0.17	−0.493 ± 0.161	<0.01	−0.208 ± 0.471	0.66	0.148 ± 0.322	0.65
SD intercept	17.4		5.1		8.7		11.4		7
SD slopes	2.713		0.893		0.264		2.47		1.432
Rho	0.08		0.01		0.1		−0.04		−0.109
Residual	2.513		0.894		2.292		2.719		2.696
Log likelihood	−4469.9		−3028.7		−3826.8		−4271		−3928.9
Chi-squared	65.205		54.13		303.69		43.564		100.37
AIC	8967.7		6085.5		7681.5		8570.1		7885.8