Table I.

Baseline characteristics of the Greenland study population (n=2,224). Means (SD) and proportions

	Unit	Total mean (SD)
Men	%	43
Age	Years	44.7 (14.7)
Former or current smokers	%	86.3
Drinking alcohol	%	90.3
Measured in blood
Erythrocyte membrane eicosapentanoeic acid	Mean, % of total FA	2.4 (1.6)
Erythrocyte membrane docosahexaenoic acid	Mean, % of total FA	4.3 (2.2)
Erythrocyte membrane total N3 FAs	Mean, % of total FA	10.0 (4.2)
Whole blood mercury	Mean, µg/L	21.1 (24.7)
Calculated intakes from FFQ
Energy	kJ/d	8734.1 (3113.3)
Traditional food	g/d	168.5 (144.2)
Seal	g/day	46.9 (64.3)
Whale	g/day	27.6 (50.4)
Fish	g/day	61.2 (67.4)
Frequency of seal consumption	meals/month	10.5 (11.7)
Frequency of whale consumption	meals/month	4.2 (7.2)
Frequency of fish consumption	meals/month	15.4 (13.7)
Eicosapentanoeic acid	% of total fat	2.4 (2.4)
Docosahexaenoic acid	% of total fat	1.8 (1.8)
Total N3 FAs	% of total fat	7.6 (6.1)
Intake of mercury	µg/day	38.9 (45.2)