Sleep disturbances and psychomotor retardation in the prediction of cognitive impairments in patients with major depressive disorder

Table 4 Results of multiple linear regression analysis for the effect of anxiety symptoms on different cognitive domains

		β	t	P value	R2	F	P value
Executive function	HAMA-psychic symptoms	-0.343	-30.67	< 0.001	0.081	60.84	< 0.001
	HAMA-somatic symptoms	0.158	10.69	0.094
Attention	HAMA-psychic symptoms	-0.278	-20.96	0.004	0.053	40.41	0.014
	HAMA-somatic symptoms	0.140	10.48	0.140
Processing speed	HAMA-psychic symptoms	-0.215	-20.27	0.025	0.040	30.32	0.039
	HAMA-somatic symptoms	-0.027	0.282	0.778
Memory	HAMA-psychic symptoms	-0.238	-20.54	0.012	0.060	50.03	0.008
	HAMA-somatic symptoms	-0.011	-0.116	0.908