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Table 6 Multiple analysis; initial and final odds ratios (OR) for upper body and lumbar regions MSD

From: Musculoskeletal disorders and their associations with health- and work-related factors: a cross-sectional comparison between Swedish air force personnel and army soldiers

  Upper body region Lumbar region
Initial model p-value Final model p-value Initial and final modela p-value
OR 95% CI OR 95% CI OR 95% CI
Occupation
 Air Force personnel 2.84 1.74–4.64 <.01 3.22 2.03–5.11 <.01 2.07 1.24–3.44 <.01
 Deployed soldiers 1.0 (ref)   1.0 (ref)   1.0 (ref)  
Age (years) (cont.) 1.02 0.99–1.04 .31     1.03 1.00–1.06 .04
Height (cm) (cont.) 0.98 0.94–1.02 .28     1.05 1.00–1.09 .04
Uses Smokeless tobacco
 Yes 1.14 0.68–1.94 .62       
 No 1.0 (ref)        
Physical health
 Excellent 1.0 (ref)   1.0 (ref)   1.0 (ref)  
  < Excellent 1.66 1.00–2.76 <.01 1.94 1.22–3.09 <.01 1.94 1.17–3.20 .01
Mental health
 Excellent 1.0 (ref)        
  < Excellent 0.84 0.44–1.62 .60       
Physical environment
 Excellent 1.0 (ref)        
  < Excellent 1.46 0.87–2.43 .15       
Social environment
 Excellent 1.0 (ref)        
  < Excellent 1.31 0.74–2.32 .35       
  1. Numbers in bold indicate independent variables that are significantly associated with the dependent variable (p < 0.05).aThe initial model remained significant for MSD in the lumbar region. Upper quarter: neck, shoulder and thoracic region; CI Confidence Interval