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Table 1 Sample demographic and health characteristics, overall and by surgical cohort, including tests of differences across cohorts

From: Heterogeneity in health status and the influence of patient characteristics across patients seeking musculoskeletal orthopaedic care – a cross-sectional study

   Overall sample (n = 1948) Foot/Ankle (n = 349) Elbow/Shoulder (n = 378) Neck/Back (n = 454) Hip/Knee (n = 767) p-value
Proportions (%)
Sex Female 48.6 60.7 39.2 48.1 48.1 <0.0001
Income Low 23.2 22.4 27.1 19.4 23.8 <0.0001
  Missing 17.7 11.9 11.5 30.6 15.8  
Education <= high school 32.6 21.6 33.4 37.8 34.1 <0.0001
Race White 78.4 81.1 74.8 79.2 78.3 0.1897
  Asian 5.0 4.2 5.3 5.6 4.9  
  Black 4.5 2.8 5.3 4.1 5.0  
  South Asian 4.3 3.9 4.0 4.1 4.9  
  Other 7.8 8.1 10.6 6.9 6.9  
Body Mass Index Overweight 38.0 34.3 40.6 36.5 39.5 <0.0001
  Obese 24.7 19.8 23.4 21.5 29.5  
Means (sd)
Age   51.9 (18–93) 49.0 (18–84) 50.7 (18–90) 49.0 (18–87) 55.5 (18–93) <0.0001
Comorbidity Count   1.5 (1.9) 1.5 (1.9) 1.3 (1.7) 1.5 (1.9) 1.7 (1.9) 0.0011
Body Mass Index   27.2 (5.4) 26.3 (5.3) 27.0 (4.7) 26.8 (5.5) 27.9 (5.6) <0.0001
Bodily Pain   40.5 (23.5) 47.9 (24.3) 42.5 (23.7) 37.0 (23.7) 38.1 (22.1) <0.0001
Physical Functioning   52.2 (28.6) 60.7 (28.6) 66.1 (25.2) 47.3 (27.8) 44.4 (27.1) <0.0001
Mental Health   68.7 (20.3) 71.4 (18.9) 70.2 (19.8) 65.0 (21.1) 69.0 (20.3) <0.0001
General Health   66.3 (21.1) 68.9 (21.3) 67.9 (20.3) 61.1 (22.0) 67.3 (20.4) <0.0001