Table 3 Multiple linear regression analyses for phase angle (deg).

From: Phase angle obtained via bioelectrical impedance analysis and objectively measured physical activity or exercise habits

Factors included

Unstandardized

Standardized

p-value

B (95% CI)

β

Model 1 (adjusted R2 = 0.695)

Constant

9.441 (6.842, 12.041)

 

 < 0.001

Age (y)

− 0.010 (− 0.021, 0.002)

− 0.100

0.103

Sex (men = 1, women = 0)

0.296 (− 0.04, 0.632)

0.172

0.083

Height (cm)

− 0.042 (− 0.058, − 0.027)

− 0.446

 < 0.001

Percent body fat (%)

− 0.004 (− 0.022, 0.014)

− 0.030

0.681

BCM (kg)

0.098 (0.071, 0.126)

0.680

 < 0.001

Leg muscle power (W kg−1)

0.043 (0.018, 0.068)

0.290

0.001

MVPA (min)

0.004 (0.001, 0.006)

0.145

0.012

Model 2 (adjusted R2 = 0.695)

Constant

8.848 (7.065, 13.10)

 

 < 0.001

Age (y)

− 0.009 (− 0.031, − 0.007)

− 0.092

0.140

Sex (men = 1, women = 0)

0.25 (0.151, 0.908)

0.146

0.149

Height (cm)

− 0.039 (− 0.051, − 0.014)

− 0.414

 < 0.001

Percent body fat (%)

− 0.005 (− 0.039, − 0.003)

− 0.039

0.593

BCM (kg)

0.097 (0.022, 0.061)

0.673

 < 0.001

Leg muscle power (W kg−1)

0.044 (0.022, 0.061)

0.297

0.001

Step counts (day−1)

0.000035 (0.000008, 0.000062)

0.147

0.012

Model 3 (adjusted R2 = 0.688)

Constant

10.254 (7.68, 12.83)

 

 < 0.001

Age (y)

− 0.014 (− 0.025, − 0.002)

− 0.144

0.022

Sex (men = 1, women = 0)

0.4 (0.056, 0.745)

0.233

0.023

Height (cm)

− 0.044 (− 0.06, − 0.028)

− 0.463

 < 0.001

Percent body fat (%)

− 0.006 (− 0.024, 0.012)

− 0.05

0.498

BCM (kg)

0.096 (0.068, 0.123)

0.661

 < 0.001

Leg muscle power (W kg−1)

0.04 (0.014, 0.065)

0.265

0.003

Exercise habits (yes = 1, no = 0)

0.169 (0.005, 0.333)

0.111

0.044

  1. BCM, body cell mass; CI, confidence interval.