Table 1.

Characteristics of participants included in the n6 GWAS meta-analysis, n=8,631

Cohort Studies	N	Age, Years (SD)	Women %	Phospholipid fatty acids % of total fatty acid distribution
				LA*	GLA*	DGLA*	AA*	AdrA*
ARIC	3269	53.8 (5.6)	51.3	21.97	0.11	3.33	11.45	0.52
CARDIA	1507	45.8 (3.4)	53.1	21.98	0.11	3.26	11.80	NA
CHS	2404	72.0 (5.1)	61.6	19.96	0.09	3.13	10.87	0.50
InChianti	1075	68.4 (15.5)	54.9	24.78	NA†	NA†	8.00	NA
MESA	707	61.6 (10.4)	53.2	20.90	0.12	3.26	12.1	NA
Total	8,962	60.3	54.8

^*LA=linoleic acid; GLA=gamma linolenic acid; DGLA=dihomo gamma linoleic acid; AA=arachidonic acid; AdrA=adrenic acid;

^†NA=not available