Table 2.

AQT naming-time differences (s) based on demographic variables in three groups of control, elderly with MCI and dementia

		Controls (n = 45)			Older patients with MCI (n = 46)			Older patients with dementia (n = 24)
		Mean ± SD			Mean ± SD			Mean ± SD
		Color	Form	Color-Form	Color	Form	Color-Form	Color	Form	Color-Form
Groups		38.20 ± 11.03	57.59 ± 13.18	108.08 ± 37.75	38.87 ± 14.21	120.15 ± 45.93	205.25 ± 100.79	84.31 ± 24.17	208.57 ± 64.41	338.67 ± 136.38
P- value		P < 0.001 Df = 2			P < 0.001 Df = 2			P < 0.001 Df = 2
Age		r = 0.09 P = 0.55	r = 0.05 P = 0.74	r = 0.28 P = 0.06	r = 0.01 P = 0.98	r = 0.14 P = 0.36	r = 0.11 P = 0.48	r = − 0.37 P = 0.08	r = − 0.41 P = 0.06	r = − 0.31 P = 0.14
Sex	Male	34.79 ± 8.8	34.74 ± 8.74	78.11 ± 18.9	57.82 ± 14.55	111.29 ± 44.85	198.94 ± 70.88	102.42 ± 41.57	315.25 ± 110.32	315.25 ± 110.32
	Female	40.69 ± 11.96	41.88 ± 16.68	88.85 ± 26.85	56.92 ± 8.65	145.25 ± 40.77	235.83 ± 28.27	113.75 ± 34.38	362.08 ± 159.76	362.08 ± 159.76
P- value		P = 0.08 Df = 43	P = 0.09 Df = 43	P = 0.14 Df = 43	P = 0.84 Df = 44	P = 0.06 Df = 44	P = 0.08 Df = 44	P = 0.47 Df = 22	P = 0.41 Df = 22	P = 0.41 Df = 22
Education	Illiterate	–	–	–	63.09 ± 19.75	137.64 ± 47.40	250 ± 64.11	108.33 ± 56.78	221.11 ± 147.87	349.44 ± 102.23
	Grade school	42.5 ± 10.41	45.5 ± 13.1	87.75 ± 8.77	54.29 ± 8.47	114.38 ± 42.75	196.04 ± 62.95	103.89 ± 23.02	200.11 ± 68.71	359.78 ± 185.09
	Middle school	42.17 ± 8.54	51.67 ± 14.22	95.67 ± 20.68	47 ± 2.82	76.50 ± 19.09	135 ± 21.21	102.5 ± 10.61	210 ± 42.42	267.5 ± 60.1
	Upper school	38.73 ± 8.99	35.55 ± 4.46	92.82 ± 23.16	60.86 ± 12.79	112.86 ± 52.58	208.71 ± 54.59	119.75 ± 24.98	178.75 ± 67.87	302.50 ± 123.93
	University education	36.25 ± 12.49	36.08 ± 15.74	77 ± 25.61	66 ± 15.55	162.50 ± 38.89	204 ± 50.91	–	–	–
P- value		P = 0.55 Df = 44 F = 0.71	P = 0.06 Df = 44 F = 2.70	P = 0.17 Df = 44 F = 1.73	P = 0.2 Df = 45 F = 1.56	P = 0.33 Df = 45 F = 1.47	P = 0.08 Df = 45 F = 2.24	P = 0.92 Df = 23 F = 0.16	P = 0.92 Df = 23 F = 0.15	P = 0.8 Df = 23 F = 0.33