Table 2

Interrater reliability and principal component loadings of affect ratings

Variable	Interrater r^2-150	Comp 1	Comp 2	Comp 3	Comp 4
Anhedonia	0.70	0.80	0.35
Apathy	0.680	0.79			−0.31
Social withdrawal	0.74	0.72
Depressed affect	0.78	0.64	0.46		−0.53
Decreased affect	0.62	0.58
Decreased humour	0.63	0.58			−0.42
Decreased energy	0.77	0.54			−0.52
Agitation	0.76		0.87
Irritability	0.84		0.82
Labile affect	0.84		0.80
Anxious affect	0.79	0.35	0.71
Hyperactivity	0.60		0.60	0.39
Sweet craving	0.85			0.78
Inappropriate humour	0.74			0.66
Slowed movement	0.83				−0.84
Slowed thinking	0.67				−0.74
Interraterr ^2-151		0.80	0.88	0.69	0.89

Loadings <0.30 are not tabled. Principal components analysis based on 378 cases.
↵2-150 Spearman r coefficients based on 35 cases.
↵2-151 Pearson correlation coefficients based on 35 cases.