Table 2. Scoring system for JCPsis-associated QOL impairment.

Category	Items
Usual daily activities	Reduced productivity at work/home/school
	Poor mental concentration
	Reduced thinking power
	Impaired reading book/paper
	Memory loss
Outdoor activities	Limitation of outdoor life
	Limitation of going out
Social functioning	Hesitation visiting friends or relatives
	Reduced contact with friends or others by telephone or conversation
	Difficult to interact with
Sleep problem	Impaired sleeping
General physical problems	Tiredness
	Fatigue
Emotional function	Frustration
	Irritability
	Depression
	Unhappiness

Each item is scored from 0 to 4 (0, none; 1, mild; 2, moderate; 3, severe, 4, extremely severe).