Table 5

Correlates of bone mineral density (BMD)

	Factor 1 (mean BMD Z score)	Factor 2 (forearm vs axial BMD)	Factor 3 (lumbar spine vs hip BMD)
Age	−0.026	0.296^5-160	0.090
Body mass index	0.527^5-160	−0.060	−0.131
Forced expiratory volume in one second (% predicted)	0.388^5-160	−0.284^5-150	−0.161
Physical activity	0.249^5-150	−0.278^5-150	−0.092
Calcium intake	−0.065	−0.084	−0.321^5-160
% reference nutrient intake	−0.093	0.027	−0.399^5-160
Albumin	0.067	−0.153	−0.107
HbA1C	−0.034	−0.005	0.062
C reactive protein	−0.328^5-160	0.187	0.018
Osteocalcin	−0.261^5-150	−0.160	0.011
Bone specific alkaline phosphatase	−0.249^5-150	−0.011	−0.065
Deoxypyridinoline crosslinks	−0.135	0.009	0.184
25-hydroxyvitamin D	0.085	−0.047	0.106
1,25-dihydroxyvitamin D	−0.149	−0.008	0.358^5-160
Parathyroid hormone	−0.311^5-160	0.128	0.179
Corrected calcium	0.021	0.126	−0.228^5-150
Phosphate	0.066	0.029	−0.146
Total alkaline phosphatase	−0.255^5-150	0.138	−0.131

↵5-150 p<0.05;
↵5-160 p<0.01.