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Table 2 Relationship between muscle strength and back and arthralgia

From: Better muscle strength can decrease the risk of arthralgia and back &joint stiffness in Kurdish men; a cross-sectional study using data from RaNCD cohort study

  Low back pain P Arthralgia P
Crude 0.99 (0.98–1) 0.371 0.97 (0.96–0.98) < 0.001
Model 1a 1 (0.99–1.01) 0.744 0.98 (0.97–0.99) 0.012
Model 2b 1 (0.98–1.01) 0.796 0.98 (0.97–0.99) 0.008
Crude Back stiffness P Joint stiffness P
Model 1a 0.97 (0.95–0.99) 0.013 0.95 (0.93–0.98) 0.002
Model 2b 0.98 (0.96–1) 0.098 0.97 (0.94–1) 0.077
  0.97 (0.95–0.99) 0.048 0.96 (0.93–0.99) 0.049
  1. aModel 1 adjusted for age and physical activity
  2. bModel 2 adjusted for variables in model 1, drinking, and diabetes