Table 3B:

Discrimination (Pearson Correlation) of MoCA items with total score by cognitive status among non-Hispanic Blacks (n=586). Bolded items area those with high (>0.40) discrimination.

MoCA Item	Normal Cognition (n=345)		MCI (n=158)		Dementia (n=83)
	Discrimination Index (Pearson Correlation)	Difficulty (% Correct)*	Discrimination Index (Pearson Correlation)	Difficulty (% Correct)*	Discrimination Index (Pearson Correlation)	Difficulty (% Correct)*
Trails	0.39	71.0	0.49	58.2	0.28	18.1
Cubes	0.34	42.9	0.37	28.5	0.28	18.1
Clock Contour	0.02	99.4	0.06	98.1	0.39	86.8
Clock Numbers	0.23	90.4	0.34	82.3	0.48	41.0
Clock Hands	0.37	69.6	0.37	51.9	0.47	13.3
Naming	0.31	75.4	0.38	60.1	0.60	32.5
Digits	0.35	78.3	0.42	73.4	0.28	47.0
Letters	0.06	95.1	0.24	87.3	0.51	53.0
Serial 7s	0.53	70.7	0.60	48.7	0.59	15.7
Repetition	0.37	60.6	0.40	39.2	0.57	30.1
Fluency	0.38	75.9	0.38	51.3	0.48	31.3
Abstraction	0.46	63.2	0.47	50.0	0.49	19.3
Delayed Recall	0.53	15.4	0.60	3.2	0.48	6.0
Date	0.12	97.4	0.30	93.0	0.54	39.8
Month	0.10	99.4	0.22	98.7	0.60	68.7
Year	0.04	99.4	0.18	98.1	0.56	68.7
Day	0.03	98.6	0.29	94.9	0.35	60.2
Place	0.18	95.7	0.32	80.4	0.44	36.1
City	0.01	99.1	0.21	98.7	0.45	85.5

^*For non-binary items, % of individuals scoring full points