Table 2. Psychometric Properties of Neuro-QOL Subscales Based on Study Sample (N = 121).

Instrument	Cronbach's Alpha	Mean	SD	Study Range	Scale Range
Ability to participate in social roles and activities (eight items)	.97	30.24	8.98	8–40	8–40
Anxiety (eight items)	.95	19.59	8.05	8–40	8–40
Applied cognition: executive function (eight items)	.95	30.53	9.23	8–40	8–40
Applied cognition: general concerns (eight items)	.97	26.90	9.65	8–40	8–40
Depression (eight items)	.96	16.38	7.91	8–40	8–40
Emotional and behavioral dyscontrol (eight items)	.96	18.08	7.84	8–40	8–40
Fatigue (eight items)	.96	21.96	8.30	8–40	8–40
Lower extremity function (eight items)	.95	32.19	8.31	8–40	8–40
Positive affect and well-being (nine items)	.96	29.43	7.96	9–45	9–45
Satisfaction with social roles and activities (eight items)	.95	27.09	9.37	8–40	8–40
Sleep disturbance (eight items)	.89	18.32	6.52	8–40	8–40
Stigma (eight items)	.93	12.32	6.2	8–40	8–40
Upper extremity function (eight items)	.96	35.72	7.59	8–40	8–40
UCLA Loneliness Scale (three items)	.88	4.69	1.96	3–9	3–9

Note. There was zero variance in two items on the Basic ADL Scale (toileting and eating) so they were removed from the scale analysis. QoL = quality of life.