A Disease Modification Effect of APOE E4 on the Association between Urinary Albumin Excretion and Cognition in Korean Adults

Table 1

Distributions of K-mMMSE and cutoff values for cognitive impairment according to age, sex, and formal educational attainments.

	Men			Women
	No	Mean ± SD	25, median, 75% tile	No	Mean ± SD	25, median, 75% tile
Age, 45–54 yrs
Formal education: none	32	71.7 ± 17.3	69, 74, 84	188	69.3 ± 15.7	63, 72, 79	0.437
1–6 yrs	305	84.9 ± 9.7	80, 87, 92	739	82.6 ± 9.5	78, 84, 89	0.001
More than 6 yrs	449	90.8 ± 7.6^*	88, 92, 96	578	90.4 ± 6.7^*	87, 92, 95	0.332
Irrespective of education	786	87.7 ± 9.9	84, 90, 94	1505	83.9 ± 11.6	79, 86, 92	<0.001
Age, 55–64 yrs
Formal education: none	195	71.3 ± 14.1	64, 73, 82	1045	66.0 ± 12.7	58, 67, 74	<0.001
1–6 yrs	709	82.3 ± 9.7	77, 84, 89	1025	80.1 ± 10.5	75, 81, 88	<0.001
More than 6 yrs	605	88.4 ± 7.5^*	84, 90, 94	288	87.5 ± 7.8^*	83, 89, 94	0.098
Irrespective of education	1509	83.3 ± 11.0	78, 85, 91	2358	74.7 ± 13.9	66, 77, 85	<0.001
Age, 65–74 yrs
Formal education: none	364	70.8 ± 12.4	64, 72, 80	1717	60.8 ± 13.7	52, 62, 70	<0.001
1–6 yrs	806	80.2 ± 10.7	75, 82, 87	521	75.9 ± 11.5	70, 78, 84	<0.001
More than 6 yrs	541	86.8 ± 8.1^*	82, 88, 93	83	82.5 ± 9.8^*	76, 85, 89	<0.001
Irrespective of education	1711	80.3 ± 11.9	74, 82, 89	2321	65.0 ± 14.9	55, 66, 76	<0.001

values by independent -tests comparing men and women.
^* < 0.001 by analysis of variance (ANOVA) according to educational attainments.