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Table 2 Mean values of the outcomes of pain, function and pain catastrophizing from bivariable analyses for individual SES represented by educational attainment level

From: Association between socioeconomic status and pain, function and pain catastrophizing at presentation for total knee arthroplasty

Dependent variable Overall cohort Less than college Some college College graduates p-value*
  N = 313** N = 53 N = 65 N = 195  
Pain – mean (SD) 41.0 (18.2) 48.9 (20.1) 43.1 (20.3) 38.2 (16.3) <0.01
Functional status- mean (SD) 41.8 (17.1) 49.6 (17.1) 44.6 (16.5) 38.7 (16.6) <0.01
Pain catastrophizing- mean (SD) 12.0 (10.7) 17.6 (13.9) 14.3 (10.9) 9.8 (8.8) <0.01
  1. *P-values determined from ANOVA.
  2. **3 subjects were missing educational attainment data.