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Table 2 The linear mixed models for the association of the independent variables (WUR, state anxiety) and their interaction with the outcome pain intensity

From: The association between mechanical temporal summation, state anxiety at baseline, and persistent low back pain: a 12-month prospective cohort study

 

Coefficient (SE)

95% Confidence Interval

P-Value

LMM 1

 Intercept

1.78

-4.97

8.53

0.60

 WUR_R, baseline

2.41

-2.25

7.07

0.31

 STAI, baseline

0.01

-0.14

0.17

0.86

 Months

-0.19

-0.56

0.18

0.31

 WUR_R x STAI

-0.04

-0.14

0.07

0.47

 WUR_R x months

-0.07

-0.13

0.00

0.04

 STAI x months

0.00

0.00

0.01

0.32

LMM 2

 Intercept

4.11

-2.51

10.74

0.22

 WUR_L, baseline

0.31

-3.82

4.44

0.88

 STAI_baseline

-0.02

-0.17

0.13

0.79

 Months

-0.21

-0.58

0.17

0.27

 WUR_L x STAI

-0.01

-0.10

0.09

0.92

 WUR_L x months

-0.03

-0.06

0.01

0.20

 STAI x months

0.00

-0.01

0.01

0.41

  1. WUR Wind up ratio, R Right side, L Left side, STAI_baseline Score State anxiety subscale