Table 2.

Multiple Regression Analyses in the BMS and Control Groups for Effects of Psychologic Parameters on Conditioned Pain Modulation with Noxious Stimulus CPM47°C

Dependent variable	Predictor variable	β	t	P
BMS
	Constant		1.823	.098
	Age	–0.204	–1.405	.190
	Disease-related pain	–0.134	–0.911	.384
	Pain duration (mo)	0.319	2.147	.057
	T-A	–0.420	–2.200	.052
	D	0.417	1.003	.340
	A-H	0.125	0.415	.687
	V	–0.704	–2.722	.021*
	F	–0.672	–3.133	.011*
	C	0.813	2.999	.013*
	Trait anxiety	0.547	2.583	.027*
	State anxiety	–0.496	–1.867	.091
Control
	Constant		–0.310	.762
	Age	0.233	0.829	.423
	T-A	–0.028	–0.077	.940
	D	–0.068	–0.135	.895
	A-H	–0.091	–0.210	.837
	V	–0.016	–0.049	.961
	F	–0.169	–0.535	.602
	C	0.091	0.278	.786
	Trait anxiety	–0.280	–0.647	.530
	State anxiety	0.283	0.862	.405

A-H = anger-hostility; C = confusion; CPM = conditioned pain modulation; D = depression-dejection; F = fatigue; T-A = tension-anxiety; V = vigor.

*P < .05.