. Author manuscript; available in PMC: 2020 Nov 24.

Published in final edited form as: J Huntingtons Dis. 2019;8(4):467–482. doi: 10.3233/JHD-190364

Table 4.

Known groups validity for Neuro-QoL/PROMIS mental health computer adaptive tests

CAT	Premanifest				Early				Late				Full Sample	F	P	eta²
	N	Mean	SD	Impaired %	N	Mean	SD	Impaired %	N	Mean	SD	Impaired %	Impaired %
Emotional & Behavioral Dyscontrol	101	45.96	8.52	5.9	125	45.18	10.71	8.8	55	48.79	12.62	18.2	9.6	2.34	0.10	0.02
Positive Affect & Well-Being^b	101	56.49	6.99	2.0	125	55.51	8.59	2.4	55	52.77	9.78	7.3	3.2	3.61	0.03	0.03
Stigma^a,b,c	101	45.19	6.87	2.0	125	49.88	8.46	8.0	55	53.63	8.54	20.0	8.2	21.71	<.0001	0.14
Anger	49	48.53	9.54	9.6	73	47.75	12.74	11.5	38	50.12	15.34	29.4	13.2	0.44	0.64	0.01
Anxiety	49	51.30	8.83	7.7	73	50.80	10.30	22.5	38	51.90	11.98	39.4	12.4	0.15	0.87	0.00
Depression	49	46.99	6.90	3.8	73	47.56	9.80	27.3	38	49.32	9.86	23.5	12.4	0.76	0.47	0.01

a = significant group differences between premanifest and early, b = significant group differences between premanifest and late, c = significant group differences between early and late.