Table 3.

Results of general linear model analyses—Cohort 1.

Dependent variable	Independent variable	Step 1 demographics and abuse		Step 2 + anxiety and depression		Step 3 + somatization
		β ± SE	p value	β ± SE	p value	β ± SE	p value
Pain thresholda (n = 124)	Age	1.58 ± 0.51	0.003	1.51 ± 0.52	0.004	1.57 ± 0.51	0.003
	Genderc	23.7 ± 15.5	0.13	25.3 ± 15.5	0.11	31.5 ± 15.5	0.045
	Sexual abuse adultd	−54.2 ± 16.1	0.001	−48.3 ± 16.9	0.005	−44.1 ± 16.8	0.01
	anxiety (HADS)			−1.88 ± 1.65	0.26	−0.94 ± 1.68	0.58
	GI-specific anxiety (VSI)			−0.16 ± 0.47	0.73	0.12 ± 0.48	0.81
	Somatization (standardized)					−15.7 ± 7.0	0.026
Pain referral areab (n = 231)	Age	−0.012 ± 0.006	0.036	−0.012 ± 0.006	0.047	−0.012 ± 0.006	0.040
	Genderc	0.07 ± 0.17	0.70	0.05 ± 0.17	0.76	−0.05 ± 0.17	0.76
	GI-specific anxiety (VSI)			0.009 ± 0.004	0.025	0.005 ± 0.004	0.22
	Somatization (standardized)					0.17 ± 0.08	0.035

Significant associations are shown in italics; effects which are mediated by somatization are underlined.

^aGeneral linear model analysis on ranked dependent variable.

^bGeneral Linear Model analysis on log transformed dependent variable.

^cReference category = men.

^dReference category = no abuse.

HADS: Hospital Anxiety and Depression Scale; GI: gastrointestinal; VSI: Visceral Sensitivity Index.