Table 2.

Models with pain catastrophizing as outcome: summary and model comparison.

	Model name	Linear regression outcome			Likelihood ratio test		Effect of predictors			VIF
		R 2	F	P	Log likelihood	P	Predictor	β	P
Set of nested models 1 (without anxiety and depression)	MPC1	0.05	7.22	0.008	−443.90		Age	−0.22	0.008
	MPC2	0.14	10.85	<0.001	−437.29	<0.001	Age	−0.26	0.001	1.01
							Childhood trauma	0.20	<0.001	1.01
	MPC3	0.15	7.76	<0.001	−436.52	0.21	Age	−0.27	<0.001	1.02
							Childhood trauma	0.18	0.001	1.07
							Impact of trauma history	0.09	0.22	1.05
Set of nested models 2 (with anxiety and depression)	MPC4	0.38	23.97	<0.001	−418.83		Age	−0.11	0.10	1.15
							Depression	1.29	<0.001	1.45
							Anxiety	0.77	0.004	1.63
	MPC5	0.40	20.21	<0.001	−415.89	0.01	Age	−0.14	0.04	1.19
							Depression	1.17	<0.001	1.49
							Anxiety	0.71	0.007	1.64
							Childhood trauma	0.11	0.01	1.09
	MPC6	0.40	16.05	<0.001	−415.85	0.77	Age	−0.15	0.03	1.21
							Depression	1.17	<0.001	1.49
							Anxiety	0.70	0.009	1.70
							Childhood trauma	0.11	0.02	1.13
							Impact of trauma history	0.01	0.78	1.10

MPC, outcome pain catastrophizing; MPC1, predictor: age; MPC2, predictors: age and childhood trauma; MPC3, predictors: age, childhood trauma, and impact of trauma history; MPC4, predictors: age and anxiety depression; MPC5, predictors: age, anxiety depression, and childhood trauma; MPC6, predictors: age, anxiety depression, childhood trauma, and impact of trauma history; VIF, variance inflation factor.