Variable SCI Control Age -.59† -.64† Total FFM (kg) .48* .28 Trunk FFM (kg) .54* -.17 Leg FFM (kg) .30 0.42 Arm FFM (kg) .49* -.01 Total FM (kg) -.11 -.59† Trunk FM (kg) -.13 -.58† Leg FM (kg) -.14 -.56* Arm fat (kg) .12 -.49* Percent total FM -.31 -.62† Total BMD (g/cm2) 0.14 -.25 Leptin (mg/l) -.36 -.54* Adiponectin (mg/l) .01 .16 Fasting glucose (mg/dl) -.14 -.49* Fasting insulin (μIU/ml) .33 -.06 IGF-1 (mg/l) .61† .55*

Table 3: Pearson product moment correlation coefficients between osteocalcin and body composition and blood measures for spinal cord injured (SCI) and control participants.FFM=lean tissue mass; FM=fat mass; IGF-1=insulin-like growth factor-1. *correlation is significant at p<0.05; or †p<0.01 (2-tailed).