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Table 2 Multilevel regression models for variables that contribute to the change in WB_BMC, WB_BMD, FN_BMD and LS_BMD

From: Longitudinal associations between bone and adipose tissue biochemical markers with bone mineralization in boys during puberty

Variables

WB_BMC

WB_BMD

FN_BMD

LS_BMD

Fixed effect

Estimates ± SE

P value

Estimates ± SE

P value

Estimates ± SE

P value

Estimates ± SE

P value

Intercept

−1669.01 ± 140.83

<0.001

0.4690 ± 0.0267

<0.001

0.3354 ± 0.0508

<0.001

0.0754 ± 0.058

0.198

Osteocalcin

−0.6044 ± 0.3273

0.069

−0.0003 ± 0.0001

<0.001

0.00004 ± 0.0001

0.743

−0.0003 ± 0.0001

0.021

CTX

7.6320 ± 32.3889

0.814

0.0014 ± 0.0063

0.827

−0.0307 ± 0.0118

0.011

−0.0155 ± 0.0125

0.219

Leptin

−9.9625 ± 2.5970

0.001

−0.0019 ± 0.0005

0.001

−0.0031 ± 0.0010

0.002

−0.0037 ± 0.0010

0.001

Adiponectin

2.7653 ± 1.9866

0.168

0.0006 ± 0.0004

0.138

0.0010 ± 0.0007

0.173

0.0004 ± 0.0008

0.587

  1. SE standard error, BMI body mass index, WB whole body, LS lumbar spine, FN femoral neck, BMD bone mineral density, BMC bone mineral content, CTX C-terminal telopeptide of type I collagen, MVPA moderate-to-vigorous physical activity, Model was controlled by age, BMI and Tanner stage