Table 4.

Association between psychosocial scales and cortisol levels

Scale	Component
	Saliva		Post-stress		Post-stress difference
	β	95% CI	β	95% CI	β	95% CI
Sleep	-0.003	-0.006, 0.001	0.009	-0.011, 0.028	0.005	-0.011, 0.021
GHQ	-0.004	-0.010, 0.002	0.052a	0.021a, 0.083a	0.008	-0.017, 0.034
Somatic symptoms	0.023	-0.002, 0.048	-0.097	-0.231, 0.037	0.086	-0.022, 0.193
Illness behaviour	0.004	-0.002, 0.010	-0.011	-0.040, 0.019	-0.026	-0.050, -0.002
Health anxiety	-0.000	-0.003, 0.003	0.012	-0.003, 0.027	0.013	0.000, 0.025
Recent life events	0.001	-0.014, 0.016	0.040	-0.039, 0.119	0.024	-0.042, 0.090

Analyses have been adjusted for age and gender. ^aStatistically significant results. CI, confidence interval; GHQ, General Health Questionnaire.