. Author manuscript; available in PMC: 2008 Sep 1.

Published in final edited form as: Physiol Behav. 2007 May 21;92(1-2):232–237. doi: 10.1016/j.physbeh.2007.05.042

Table 1.

Case control and co-twin control analyses predicting risk for dementia

		Case Control

EDUCATION		Cases (N = 394)	Unrelated Controls (N = 7786)	OR ^a	95% CI
Compulsory		305	4435
Higher		89	3351	1.77	1.38, 2.28

		Co-Twin Control (N = 33 monozygotic pairs)

		Co-twin		OR	95% CI
EDUCATION		Compulsory	Higher	OR	95% CI

Case	Compulsory	6	19	3.17	1.26, 7.93
Case	Higher	6	2	3.17	1.26, 7.93

odds ratios controlling for age and sex