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Table 3 Regression models for hip adduction moment impulse as the dependent variable (n = 55)

From: Gait kinematics of the hip, pelvis, and trunk associated with external hip adduction moment in patients with secondary hip osteoarthritis: toward determination of the key point in gait modification

Independent variablesUnstandardized coefficients BStandardized coefficients βP–value for variable95% confidence interval for BRR2Adjusted R2Adjusted R2 change
Basic model    0.7870.6200.6060.606
 Body weight, kg0.4730.644<  0.0010.340, 0.606    
 Stance phase duration, seconds46.9590.2880.00217.359, 76.560    
Separate models with gait parameters (weight + stance phase duration + following gait characteristics)
 Gait speed, meters/seconds7.2640.1580.169−3.197, 17.7240.7960.6340.6130.007
 Ground reaction force (Frontal plane)a, N0.0400.599<  0.0010.028, 0.0520.7730.5980.5830.347
 Peak hip abduction, degrees−0.311− 0.1250.149−0.737, 0.1150.7970.6350.6140.009
 Peak hip adduction, degrees0.6120.325<  0.0010.317, 0.9070.8460.7190.7000.094
 Peak pelvic tilt (toward stance limb), degrees−0.118−0.0270.775−0.945, 0.7080.7880.6210.598−0.007
 Peak pelvic tilt (toward swing limb), degrees0.8780.2660.0010.354, 1.4010.8300.6890.6710.065
 Peak trunk lean angle (toward stance limb), degrees−0.558−0.1980.022−1.033, −0.0830.8110.6580.6370.032
 Peak trunk lean angle (toward swing limb), degrees0.2650.0840.330−0.276, 0.8060.7920.6270.6050.000
Separate model with hip pain (weight + stance phase duration + hip pain)
 Hip pain (VAS), mm−0.022−0.0830.375−0.071, 0.0270.7910.6260.6040.006
  1. (Footnotes for Table 2) a Body weight was excluded from independent variables
  2. All of the regression models are P < 0.001. Bolded values are statistically significant