Table 3.

Regression model with habitual severity of somatization / somatic complaints as outcome variable (N = 2,497).

	Regression coefficient	Standard error	t	p
(Intercept)	2.074	0.390	5.31	<0.001
Age (y)	−0.005	0.006	−0.79	0.43
Female	0.656	0.202	3.25	0.001
ISI	0.115	0.015	7.85	<0.001
4-DSQ Distress	0.302	0.020	15.46	<0.001
4-DSQ Anxiety	0.387	0.032	12.02	<0.001
4-DSQ Depression	−0.191	0.044	−4.34	<0.001

4-DSQ, Four-Dimensional Symptom Questionnaire; ISI, Insomnia Severity Index.