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Table 4 Association between chronic pain and body composition parameters

From: Association between neck and shoulder pain, back pain, low back pain and body composition parameters among the Japanese general population

  Model 1a Model 2b
OR 95 % CI P-value* OR 95 % CI P-value*
Chronic neck and shoulder pain
 Age (y) 0.97 0.95 - 0.99 <0.01 - - -
 Gender (F/M) 1.93 1.01 - 3.67 <0.05 - - -
 Total body muscle mass (kg) 0.98 0.94 - 1.02 0.38 1.02 0.94 - 1.10 0.54
 Total body fat mass (kg) 1.01 0.96 - 1.06 0.59 1.03 0.97 - 1.10 0.27
 Total body water (kg) 0.97 0.92 - 1.02 0.35 1.01 0.92 - 1.10 0.81
 Total body fat ratio (%) 1.01 0.97 - 1.04 0.56 0.98 0.94 - 1.03 0.63
 Total body water ratio (%) 0.98 0.92 - 1.03 0.48 1.01 0.92 - 1.10 0.81
 Appendicular muscle mass (kg) 0.97 0.90 - 1.04 0.49 1.01 0.87 - 1.16 0.87
 Appendicular fat mass (kg) 1.07 0.95 - 1.20 0.22 1.00 0.88 - 1.15 0.89
 Trunk muscle mass (kg) 0.96 0.90 - 1.03 0.31 1.06 0.93 - 1.22 0.36
 Trunk fat mass (kg) 1.00 0.93 - 1.08 0.94 0.99 0.91 - 1.07 0.89
 BMI (kg/m2) 0.96 0.87 - 1.06 0.48 0.98 0.89 - 1.08 0.81
 AMI (kg/m2) 0.83 0.62 - 1.11 0.22 0.87 0.55 - 1.37 0.57
 BMR (kcal) 1.00 0.99 - 1.00 0.66 1.00 0.99 - 1.00 0.58
Chronic back pain
 Age (y) 0.98 0.95 - 1.01 0.45 - - -
 Gender (F/M) 1.39 0.55 - 3.45 0.47 - - -
 Total body muscle mass (kg) 0.99 0.94 - 1.04 0.82 1.02 0.92 - 1.14 0.63
 Total body fat mass (kg) 0.99 0.93 - 1.06 0.94 0.98 0.91 - 1.06 0.77
 Total body water (kg) 0.98 0.91 - 1.06 0.78 1.01 0.89 - 1.14 0.83
 Total body fat ratio (%) 1.00 0.95 - 1.05 0.86 0.99 0.93 - 1.05 0.81
 Total body water ratio (%) 0.99 0.91 - 1.07 0.79 1.00 0.91 - 1.09 0.95
 Appendicular muscle mass (kg) 0.99 0.89 - 1.09 0.85 1.02 0.84 - 1.26 0.78
 Appendicular fat mass (kg) 1.02 0.86 - 1.20 0.81 0.98 0.81 - 1.19 0.88
 Trunk muscle mass (kg) 0.98 0.89 - 1.08 0.81 1.05 0.87 - 1.28 0.56
 Trunk fat mass (kg) 0.98 0.88 - 1.10 0.79 0.97 0.87 - 1.10 0.71
 BMI (kg/m2) 0.96 0.84-1.11 0.63 0.97 0.84 - 1.12 0.73
 AMI (kg/m2) 0.9 0.59 - 1.38 0.63 0.93 0.49 - 1.77 0.84
 BMR (kcal) 1.00 0.99 - 1.00 0.91 1.00 0.99 - 1.00 0.72
Chronic low back pain
 Age (y) 1.00 0.98 - 1.02 0.75 - - -
 Gender (F/M) 0.65 0.36 - 1.17 0.15 - - -
 Total muscle mass (kg) 1.02 0.98 - 1.05 0.19 1.01 0.94 - 1.08 0.74
 Total fat mass (kg) 0.97 0.92 - 1.02 0.30 0.98 0.93 - 1.03 0.54
 Total body water (kg) 1.03 0.98 - 1.08 0.19 1.01 0.93 - 1.10 0.66
 Total fat ratio (%) 0.97 0.94 - 1.00 0.11 0.97 0.93 - 1.02 0.34
 Total body water ratio (%) 1.04 0.98 - 1.10 0.11 1.03 0.97 - 1.09 0.29
 Appendicular muscle mass (kg) 1.04 0.97 - 1.12 0.18 1.03 0.90 - 1.18 0.59
 Appendicular fat mass (kg) 0.94 0.83 - 1.06 0.34 0.97 0.85 - 1.12 0.72
 Trunk muscle mass (kg) 1.04 0.97 - 1.10 0.22 1.00 0.88 - 1.14 0.95
 Trunk fat mass (kg) 0.95 0.88 - 1.03 0.29 0.96 0.89 - 1.05 0.44
 BMI (kg/m2) 0.97 0.88 - 1.07 0.56 0.96 0.87 - 1.06 0.96
 AMI (kg/m2) 0.28 0.88 - 1.53 0.36 1.03 0.68 - 1.57 0.85
 BMR (kcal) 1.00 0.99- 1.00 0.25 1.00 0.99 - 1.00 0.78
  1. BMI, body mass index; AMI, appendicular muscle index; BMR, basal metabolic rate; OR, odds ratio; CI, confidence interval. aUnivariate logistic regression model; bMultivariate logistic regression model adjusted for age and gender; *Significant P-values are in bold