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Table 3 Multivariate linear regression for physical function and pain interference

From: Sleep disturbance, dyspnea, and anxiety following total joint arthroplasty: an observational study

 

Physical function

Pain interference

Total model

R2 = 0.41, p < 0.001

R2 = 0.36, p < 0.001

Medical record variables

 Age

 − 0.10

 − 0.01

 Sex (0 = female)

0.07

0.03

 Race (0 = white)

 − 0.02

0.06

 Tobacco use (0 = no history)

 − 0.05

0.02

 Pre-operative pain intensity

 − 0.03

0.05

 BMI

 − 0.10

0.04

 Comorbidity count

 − 0.03

 − 0.03

 TJA location (0 = hip)

 − 0.04

0.07

 Number of surgeries (0 = one)

0.01

0.01

Survey response variables

 Survey time

 − 0.03

0.02

 Sleep

 − 0.31

0.35

 Anxiety

 − 0.11

0.17

 Dyspnea

 − 0.33

0.26

  1. Standardized coefficients are reported, bold font indicates p < 0.01
  2. BMI, body mass index; TJA, total joint arthroplasty