Skip to main content

Table 3 Prediction of self-perceived recovery by psychological factors at baseline

From: Importance of psychological factors for the recovery from a first episode of acute non-specific neck pain - a longitudinal observational study

 

B (SE)

Exp B (Odds Ratio)

95 % CI Exp B

p

Model 1: psychological factors as independent variables

PGIC 1 week ( N  = 77):

Nagelkerke R2 = 0.02; AUC = 0.58 (95 % CI 0.43–0.72; p = 0.321)

 BQ4: anxiety

−0.09 (0.15)

0.92

0.68–1.24

0.572

 BQ5: depression

0.07 (0.12)

1.07

0.85–1.35

0.579

 BQ6: fear avoidance

−0.01 (0.12)

0.99

0.78–1.25

0.928

 BQ7: locus of control

0.09 (0.12)

1.09

0.87–1.36

0.459

PGIC 1 month ( N  = 82):

Nagelkerke R2 = 0.17; AUC = 0.76 (95 % CI 0.62–0.90; p = 0.002)

 BQ4: anxiety

0.44 (0.21)

1.55

1.04–2.32

0.033

 BQ5: depression

−0.18 (0.16)

0.83

0.61–1.14

0.247

 BQ6: fear avoidance

−0.33 (0.18)

0.72

0.51–1.02

0.061

 BQ7: locus of control

0.25 (0.16)

1.28

0.93–1.77

0.529

PGIC 3 months ( N  = 80):

Nagelkerke R2 = 0.22; AUC= 0.83 (95 % CI 0.72–0.93; p = 0.001)

 BQ4: anxiety

0.14 (0.22)

1.15

0.74–1.78

0.529

 BQ5: depression

−0.41 (0.21)

0.67

0.45–1.00

0.049

 BQ6: fear avoidance

−0.09 (0.18)

0.91

0.64–1.29

0.597

 BQ7: locus of control

0.25 (0.18)

1.28

0.91–1.81

0.163

Model 2: signifiant factors of model 1 and age and baseline pain as independent variables

PGIC 1 week ( N  = 77):

Nagelkerke R2 = 0.001; AUC= 0.52 (95 % CI 0.39–0.66; p = 0.763

 Age

−0.001 (0.02)

1.00

0.96–1.04

0.938

 Pain at baseline

0.03 (0.14)

0.97

0.74–1.28

0.841

PGIC 1 month ( N  = 83):

Nagelkerke R2 = 0.18; AUC= 0.74 (95 % CI 0.58–0.90; p = 0.005)

 BQ 4: anxiety

0.12 (0.12)

1.12

0.89–1.41

0.321

 Age

−0.05 (0.02)

0.95

0.91–0.99

0.021

 Pain at baseline

0.20 (0.16)

1.22

0.89–1.68

0.225

PGIC 3 months ( N  = 81):

Nagelkerke R2 = 0.21; AUC= 0.80 (95 % CI 0.69–0.91; p = 0.002)

 BQ 5: depression

−0.26 (0.12)

0.77

0.61–0.98

0.037

 Age

−0.04 (0.03)

0.97

0.92–1.02

0.163

 Pain at baseline

−0.13 (0.20)

0.88

0.60–1.31

0.536

  1. Logistic regressions with PGIC (0 = not improved, 1 = improved) of each time point as dependent variable and the psychological factors at baseline as independent variables. Multicollinearity diagnostics model 1/model 2: Tolerance: 0.39-0.76/0.89-1.00, VIF: 1.31-2.59/1.00-1.13. Numbers in bold indicate significant results.
  2. AUC area under the receiver operating curve
  3. BQ Bournemouth questionnaire
  4. PGIC patient global impression of change
Back to article page

Chiropractic & Manual Therapies

ISSN: 2045-709X