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

doi:10.1186/s12998-016-0090-2

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Chiropr Man Therap. 2016; 24: 9.

Published online 2016 Mar 16. doi: 10.1186/s12998-016-0090-2

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Table 2

Co-occurrence of psychological factors with self-perceived recovery

	B (SE)	Exp B (Odds Ratio)	95 % CI Exp B	p
PGIC 1 week ( N = 76):
Nagelkerke R² = 0.05; AUC = 0.62 (95 % CI 0.48–0.75; p = 0.126)
BQ4: anxiety	−0.18 (0.13)	0.83	0.64–1.08	0.171
BQ5: depression	−0.01 (0.11)	0.99	0.80–1.23	0.901
BQ6: fear avoidance	0.06 (0.13)	1.06	0.82–1.36	0.667
BQ7: locus of control	0.04 (0.10)	1.04	0.86–1.25	0.717
PGIC 1 month ( N = 82):
Nagelkerke R² = 0.40; AUC = 0.85 (95 % CI 0.73–0.97; p < 0.001)
BQ4: anxiety	−0.55 (0.22)	0.58	0.38–0.89	0.013
BQ5: depression	0.13 (0.21)	1.14	0.76–1.71	0.540
BQ6: fear avoidance	−0.25 (0.16)	0.78	0.57–1.06	0.110
BQ7: locus of control	0.17 (0.16)	1.19	0.87–1.63	0.286
PGIC 3 months ( N = 77):
Nagelkerke R² = 0.63; AUC = 0.98 (95 % CI 0.94–1.00; p < 0.001)
BQ4: anxiety	−0.60 (0.29)	0.55	0.31–0.97	0.039
BQ5: depression	−0.13 (0.23)	0.88	0.56–1.39	0.579
BQ6: fear avoidance	−0.17 (0.18)	0.84	0.59–1.21	0.353
BQ7: locus of control	−0.20 (0.20)	0.82	0.55–1.22	0.325

Logistic regressions with PGIC (0 = not improved, 1 = improved) of each time point as dependent variable and the psychological factors of the same time point as independent variables. Multicollinearity diagnostics: Tolerance: 0.27-0.72, VIF: 1.38-3.65. Numbers in bold indicate significant results.

AUC area under the receiver operating curve

BQ Bournemouth questionnaire

PGIC patient global impression of change