Component 1 Component 2 Component 3 Component 4 Component 5
Mental fatigue Sadness/gloominess (D) Phobias (A) Reduced appetite (D) Decreased sleep (O, D, A)
Concentration difficulties (O, D) Anxiety/feelings of inner tension (D, A) Autonomic disturbances (A) Concern for health (A) Increased sleep
Slowness of thinking Zest for life (D)      
Mental recovery Pessimistic thoughts (D)      
Memory problems Emotional involvement (D)      
Sensitivity to stress Dread or anguish over trivial matters (A)      
Fatigue in general Panic attacks (A)      
Lack of initiative (O,D) Irritability (O, A)      
Emotional instability        
Pain (A)        
Sensitivity to noise        
Sensitivity to light        
Table 2: The items from the MFS and CPRS scales were analyzed by mean of a principal component analysis, with varimax rotation. The components and variables that load on them are shown in the figure. (D=depression, A=anxiety, O=overlapping items between MFS and CPRS)