Table 4. Fatty acid intake estimated by dietary records according to quintiles defined by fatty acid intake estimated by FFQ at early and late pregnancy.

Fatty acids intake (% of TFA)	Level in quintiles on the basis of fatty acid intake estimated by FFQ (mean (SD))										Q1 vs Q5a	P For trend
	Q1		Q2		Q3		Q4		Q5
Early pregnancy	(n = 37)		(n = 38)		(n = 38)		(n = 38)		(n = 37)
n-3 PUFA	3.14	(1.27)	2.90	(1.00)	3.60	(1.78)	3.57	(1.18)	4.28	(1.55)	0.004	<0.0001
α-linolenic acid	2.26	(0.78)	2.46	(0.84)	2.24	(0.73)	2.44	(0.74)	2.58	(0.62)	0.374	0.116
EPA	0.21	(0.39)	0.24	(0.35)	0.38	(0.57)	0.33	(0.28)	0.45	(0.36)	0.094	0.008
DHA	0.34	(0.39)	0.54	(0.71)	0.64	(0.78)	0.56	(0.43)	0.77	(0.59)	0.019	0.005
n-6 PUFA	18.09	(3.96)	19.11	(4.70)	18.11	(4.34)	19.77	(3.74)	21.23	(4.38)	0.015	0.002
Linoleic acid	17.45	(4.09)	18.76	(4.58)	17.66	(4.42)	19.22	(3.64)	20.71	(4.44)	0.010	0.002
Arachidonic acid	0.26	(0.10)	0.25	(0.10)	0.24	(0.09)	0.27	(0.10)	0.30	(0.08)	0.338	0.040
Late pregnancy	(n = 33)		(n = 34)		(n = 34)		(n = 34)		(n = 34)
n-3 PUFA	3.17	(1.43)	3.13	(1.17)	3.16	(1.16)	3.54	(1.13)	3.58	(1.26)	0.647	0.068
α-linolenic acid	2.13	(0.70)	2.27	(0.83)	2.30	(0.65)	2.08	(0.53)	2.31	(0.55)	0.790	0.631
EPA	0.16	(0.18)	0.26	(0.33)	0.30	(0.29)	0.33	(0.25)	0.41	(0.38)	0.008	0.001
DHA	0.41	(0.44)	0.49	(0.47)	0.60	(0.50)	0.65	(0.51)	0.75	(0.61)	0.055	0.003
n-6 PUFA	16.40	(3.43)	18.59	(3.71)	17.73	(2.34)	18.73	(3.95)	20.00	(3.97)	0.001	<0.001
Linoleic acid	15.92	(3.46)	18.02	(3.78)	17.37	(2.24)	18.34	(4.01)	19.24	(4.09)	0.002	0.001
Arachidonic acid	0.27	(0.09)	0.24	(0.07)	0.28	(0.13)	0.27	(0.09)	0.31	(0.08)	0.263	0.014

DHA, docosahexaenoic acids; DR, dietary records; EPA, eicosapentaenoic acids; FFQ, food frequency questionnaire; n-3 PUFA, n-3 polyunsaturated fatty acids; n-6 PUFA, n-6 polyunsaturated fatty acids; TFA, total fatty acids.

^aTukey-Kramer analysis.