. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Genet Epidemiol. 2015 Oct 26;40(1):66–72. doi: 10.1002/gepi.21936

Table I.

Characteristics of the cohorts. AREDS and BMES educational attainment is coded as the higher level awarded. KORA education level is showed as education years completed. Mean and standard deviation is shown for Age and spherical equivalent (SPHEQ).

	AREDS	BMES	KORA
N	1459	2344	1846
Age (s.d.)	68.15 (4.80)	66.73 (8.96)	55.58 (11.77)
Male / Females	588 / 871	1327 / 1017	934 / 312
SPHEQ (s.d)	0.51 (2.13)	0.57 (2.02)	−0.28 (2.25)
Height (s.d)	−	M=1.72 (0.06) F=1.59 (0.07)	−
BMI (s.d)	−	M=27 (4), F=28 (5)	−
Smoking^*	−	Yes=217; No=2040	−
			Years of education:
Educational^* attainment	1. Grade 11: 83;	1. Certificate-other: 134;	8: 168;
	2. High school: 344;	2. Certificate-trade: 219;	10: 789;
	3. College: 472;	3. Diploma: 596;	11: 246;
	4. Bachelors :248;	4. Bachelors: 191;	12: 146;
	5. Postgraduate: 312;	5. Graduate diploma: 31;	13: 223;
		6. Higher degree: 38;	15: 12;
		6. Higher degree: 38;	17: 262;

Numbers may not add-up due to missing data.