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Table 4 Moderating role of sex in the association between negative affect and pain intensity 2 weeks after surgery

From: Sex differences in negative affect and postoperative pain in patients undergoing total knee arthroplasty

Variables β Boot SE p 95% CI
Covariates
 Age − 0.02 0.02 0.29 LL = − 0.07; UL = 0.02
 Baseline pain intensity 0.28 0.10 0.01 LL = 0.09; UL = 0.46
IVs
 Negative affect 0.08 0.04 0.11 LL = − 0.02; UL = 0.17
 Sex 1.01 0.40 0.01 LL = 0.22; UL = 1.80
 Sex * negative affect − 0.19 0.09 0.040 LL = − 0.37; UL = − 0.01
  1. Values are from the final model
  2. β unstandardized regression coefficient, Boot SE bootstrapped standard errors, CI confidence intervals, LL lower limit, UL upper limit, IVs independent variables
  3. *interaction between