. Author manuscript; available in PMC: 2009 Feb 22.

Published in final edited form as: Bone. 2006 May 18;39(4):915–921. doi: 10.1016/j.bone.2006.03.014

Table 4.

Independent factors of trabecular and cortical bone mineral density in older men and women

	Dependent variable vBMDt				Dependent variable vBMDc
	Men		Women		Men		Women
	b + SE	P	b + SE	P	b + SE	P	b + SE	P
Age (years)	−0.08 ± 0.44	0.84	−1.95 ± 0.45	<0.0001	−1.20 ± 0.70	0.09	−1.28 ± 0.53	0.0156
BMI (kg/m²)	3.42 ± 0.88	<0.0001	2.39 ± 0.65	<0.0001	3.9 ± 1.3	0.0029
CSMA (cm²)					1.0 ± 0.3	0.0010
Ankle extension strength (kg * 100)	0.04 ± 0.01	0.0012	0.02 ± 0.01	0.094
Physical activity
Sedentary	−32.7 ± 13.8	0.0182
Light	20.0 ± 9.4	0.0348
Moderate/High	Reference
Creatinine clearance (ml/min)			0.48 ± 0.20	0.0297	0.55 ± 0.27	0.042
Serum 25 (OH)-Vitamin D (nmol/l)							20.1 ± 6.97	0.0042
Serum PTH (pmol/l)							−22.5 ± 8.7	0.0098
Bio-T (ng/dl)	13.1 ± 2.4	<0.0001	5.9 ± 2.4	0.013	26.1 ± 6.2	<0.0001	9.74 ± 3.6	0.0074
IL-1 beta (pg/ml)							−2.9 ± 0.92	0.0015

Parsimonious model obtained by backward selection method from initial models including all covariates reported in the table plus education, WHR, calcium intake, DHEAS, TNF-alpha.