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Table 3 Association between body composition (fat mass and muscle mass) and stiffness index

From: Association between fat mass by bioelectrical impedance analysis and bone mass by quantitative ultrasound in relation to grip strength and serum 25-hydroxyvitamin D in postmenopausal Japanese women: the Unzen study

Variables Model 1 Model 2
B SE p value B SE p value
Fat mass (kg) 0.505 0.152 < 0.001 0.493 0.151 0.001
Muscle mass (kg) − 0.374 0.307 0.223 − 0.568 0.310 0.068
Adjusted factors
 Age (years) − 0.492 0.096 < 0.001 − 0.376 0.097 < 0.001
 Height (cm) 0.160 0.156 0.306 0.086 0.156 0.579
 Comorbidities* − 1.952 1.734 0.261 − 1.004 1.712 0.558
 Alcohol consumption − 8.751 4.928 0.077 − 11.758 4.856 0.016
 Current smoking − 4.817 5.418 0.375 − 4.428 5.316 0.405
 Exercise 3.772 1.263 0.003 4.133 1.242 < 0.001
 log (25(OH)D)     10.180 5.025 0.043
 log (TRACP-5b)     − 0.761 3.852 0.844
 log (PTH)     1.253 3.537 0.723
 Grip strength (kg)     0.562 0.134 < 0.001
  1. SE standard error, 25(OH)D 25-hydroxyvitamin D, TRACP-5b tartrate-resistant acid phosphatase-5b, PTH parathyroid hormone
  2. *Comorbidities included at least one of the following: heart disease, lung disease, stroke, or diabetes mellitus