Table 9.

Predictive value of the pre-evaluative “yellow flags” on disability after 6 months (T2) and 1.5 years (T4).

Predictors	Follow-up 1: after 6 months (T2)			Follow-up 3: after 1.5 years (T4)
	OR	95% CI	Corrected p-value	OR	95% CI	Corrected p-value
PCI total active coping	0.998	[0.990, 1.006]	0.575	1.004	[0.986, 1.022]	0.693
PCI pain transforming	0.999	[0.994, 1.005]	1.000	1.011	[0.999, 1.023]	0.187
PCI distraction	0.998	[0.992, 1.005]	1.000	0.999	[0.987, 1.012]	0.911
PCI reducing demans	0.999	[0.995, 1.004]	1.000	0.995	[0.985, 1.005]	0.612
PCI total passive coping	1.023	[1.015, 1.031]	<0.001	1.016	[1.000, 1.033]	0.057
PCI retreating	1.014	[1.008, 1.020]	<0.001	1.014	[1.001, 1.028]	0.072
PCI worrying	1.012	[1.006, 1.018]	<0.001	1.001	[0.988, 1.013]	0.930
PCI resting	1.016	[1.010, 1.022]	<0.001	1.019	[1.007, 1.032]	0.006
IAS illness anxiety	1.013	[0.998, 1.029]	0.096	0.979	[0.946, 1.013]	0.445
IAS illness behavior	1.122	[1.082, 1.165]	<0.001	1.035	[0.959, 1.119]	0.445
SCL90 agoraphobiaa	1.016	[1.007, 1.026]	0.003	1.016	[0.998, 1.035]	0.625
SCL90 anxietya	1.006	[0.997, 1.015]	0.222	1.000	[0.983, 1.018]	1.000
SCL90 depressiona	1.016	[1.008, 1.023]	<0.001	1.007	[0.992, 1.022]	1.000
SCL90 somatic complaintsa	1.020	[1.011, 1.030]	<0.001	1.011	[0.994, 1.029]	1.000
SCL90 insufficiencya	1.020	[1.012, 1.028]	<0.001	1.018	[1.003, 1.034]	0.125
SCL90 sensitivitya	1.014	[1.004, 1.024]	0.019	1.013	[0.992, 1.036]	1.000
SCL90 hostilitya	1.009	[0.998, 1.020]	0.222	1.014	[0.989, 1.040]	1.000
SCL90 sleep problemsa	1.008	[1.003, 1.013]	0.004	0.998	[0.989, 1.007]	1.000
SCL90 Psychoneuroticisma	1.022	[1.011, 1.033]	<0.001	1.016	[0.994, 1.039]	0.155
SCL90 somatizationb	1.048	[1.013, 1.086]	0.049	0.970	[0.837, 1.112]	0.659
SCL90 obsessive-compulsivenessb	1.030	[0.997, 1.064]	0.377	0.892	[0.740, 1.028]	0.582
SCL90 sensitivityb	1.022	[0.985, 1.061]	0.653	0.738	[0.488, 0.950]	0.129
SCL90 depressionb	1.028	[1.004, 1.053]	0.152	0.921	[0.807, 1.029]	0.582
SCL90 anxietyb	1.064	[1.024, 1.109]	0.011	0.852	[0.671, 1.005]	0.405
SCL90 hostilityb	1.025	[0.965, 1.090]	0.653	0.764	[0.501, 1.065]	0.582
SCL90 phobic anxietyb	1.051	[1.005, 1.101]	0.182	0.756	[0.507, 0.990]	0.328
SCL90 paranoid ideationb	1.042	[0.976, 1.113]	0.653	0.770	[0.497, 1.103]	0.582
SCL90 psychoticismb	1.044	[0.989, 1.104]	0.475	0.794	[0.570, 1.030]	0.500
SCL90 Global Severity Indexb	1.719	[1.112, 2.711]	0.014	0.054	[0.001, 0.793]	0.031
MQS day 0	1.013	[1.001, 1.026]	0.037	1.026	[0.998, 1.055]	0.067

OR with 95% CI from the logistic regression model and p-value corrected for multiple testing. Statistically significant differences are indicated in bold.

^aDutch version and scoring of the SCL-90-R.

^bFrench and German version and scoring of the SCL-90-R.

Values in bold indicate statistically significant differences.