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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Intelligence. 2009 Nov 1;37(6):529–534. doi: 10.1016/j.intell.2008.12.001

Table 1.

Sample characteristics of participants in those with and without subsequent incident CHD.

CHD No CHD p
N (%) 181 (3.4%) 5111 (96.6%)
% women 36 (19.9%) 1463 (28.6%) 0.01
Age M (SD) 59.4 (5.5) 55.2 (5.9) <0.0001
% married 141 (77.9%) 3932 (76.9%) 0.76
% university degree or higher 58 (32.0%) 1564 (30.6%) 0.68
% high employment grade 86 (47.5%) 2234 (43.7%) 0.31

% diabetes 61 (33.7%) 777 (15.2%) <0.0001
Total cholesterol, mmol/L M (SD) 6.1 (1.1) 5.9 (1.0) 0.06
Systolic blood pressure, mmHg M (SD) 130.3 (19.1) 122.2 (16.4) <0.0001
Diastolic blood pressure, mmHg M (SD) 80.4 (12.2) 77.3 (10.4) 0.001
% CVD medication 48 (26.5%) 633 (12.4%) <0.0001

% smokers 28 (15.5%) 767 (15.0%) 0.86
Units of alcohol consumed /week M (SD) 13.2 (16.3) 13.8 (14.8) 0.59
% frequent fruit and vegetable consumption* 140 (77.4%) 3784 (74.0%) 0.32
Hours of physical activity/week M (SD) 15.6 (14.7) 12.9 (11.9) 0.02

Memory (Range 0–20) M (SD) 6.6 (2.6) 6.9 (2.4) 0.04
AH4-I (Range 0–65) M (SD) 44.3 (12.9) 47.1 (10.8) 0.004
Mill Hill (Range 0–33) M (SD) 24.5 (4.8) 25.1 (4.4) 0.05
Phonemic fluency (Range 0–35) M (SD) 16.0 (4.4) 17.0 (4.4) 0.004
Semantic fluency (Range 0–35) M (SD) 15.9 (4.2) 16.6 (4.2) 0.03
*

Denotes at least daily consumption of fruits and vegetables.

M: Mean; SD: Standard Deviation