Table 2.

Component loadings of each HRSD item on the four components

	Component
HRSD Variable	1	2	3	4
Initial Insomnia	0.054	0.097	0.067	0.602
Middle Insomnia	0.074	0.003	−0.031	0.765
Delayed Insomnia	−0.044	0.080	0.104	0.656
Depressed Mood	0.534	0.134	0.173	0.187
Psychological Anxiety	0.202	0.676	0.057	0.015
Insight	-	-	-	-
Appetite	0.089	0.044	0.859	0.093
Weight Loss	0.004	0.039	0.872	0.059
Somatic Anxiety	0.195	0.713	0.043	0.063
Hypochondriasis	0.055	0.500	−0.124	0.009
Guilt	0.460	0.080	0.033	−0.177
Suicide	0.473	0.143	0.086	−0.083
Work and Interests	0.609	0.012	0.006	−0.032
Somatic Energy	0.533	−0.004	−0.124	0.024
Psychomotor Retardation	0.458	−0.110	0.052	0.074
Psychomotor Agitation	−0.065	0.518	0.088	0.185
Libido	-	-	-	-

Table showing component loadings (i.e., correlations between each variable and the component).