Low omega-3 index values and monounsaturated fatty acid levels in early pregnancy: an analysis of maternal erythrocytes fatty acids

Hoge, Axelle; Bernardy, Florence; Donneau, Anne-Françoise; Dardenne, Nadia; Degée, Sylvie; Timmermans, Marie; Nisolle, Michelle; Guillaume, Michèle; Castronovo, Vincenzo

doi:10.1186/s12944-018-0716-6

Lipids in Health and Disease

Table 3 Potential determinants of maternal erythrocyte polyunsaturated fatty acid composition (% of total FA)

From: Low omega-3 index values and monounsaturated fatty acid levels in early pregnancy: an analysis of maternal erythrocytes fatty acids

Variable	n-6 PUFA				n-3 PUFA
Variable	LA	GLA	DGLA	AA	ALA	EPA	DHA
Age (years)	r = −0.20	r = 0.05	r = 0.21	r = − 0.03	r = 0.14	r = 0.20	r = 0.18
Gestational age (weeks)	r = − 0.17	r = − 0.06	r = − 0.10	r = − 0.18	r = − 0.05	r = 0.03	r = 0.28
Parity
Nulliparous	8.50 ± 1.16	0.05 ± 0.01	1.48 ± 0.29	14.3 ± 1.11	0.12 ± 0.04	0.45 ± 0.18	5.07 ± 0.98
Primiparous	8.44 ± 1.18	0.05 ± 0.01	1.48 ± 0.36	14.5 ± 1.12	0.14 ± 0.06	0.56 ± 0.29	5.32 ± 1.44
Multiparous	8.42 ± 1.08	0.05 ± 0.01	1.60 ± 0.39	14.2 ± 1.57	0.13 ± 0.05	0.51 ± 0.27	5.34 ± 1.78
BMI class (kg/m²)
< 25	8.39 ± 1.11	0.05 ± 0.01	1.53 ± 0.36	14.4 ± 1.26	0.13 ± 0.05	0.51 ± 0.24	5.10 ± 1.28
25–30	8.59 ± 1.28	0.05 ± 0.01	1.49 ± 0.32	13.9 ± 1.18	0.13 ± 0.05	0.56 ± 0.30	5.57 ± 1.73
≥ 30	8.28 ± 0.89	0.05 ± 0.01	1.49 ± 0.40	14.7 ± 1.34	0.12 ± 0.03	0.45 ± 0.16	5.52 ± 1.19
Nationality
Belgian	8.28 ± 1.05	0.05 ± 0.01	1.58 ± 0.37	14.4 ± 1.04	0.14 ± 0.05	0.52 ± 0.21	4.99 ± 1.35
Other	8.63 ± 1.21	0.05 ± 0.01	1.44 ± 0.31	14.2 ± 1.50	0.11 ± 0.04	0.51 ± 0.29	5.62 ± 1.43
Level of education
Low	8.53 ± 1.07	0.05 ± 0.01	1.51 ± 0.36	14.4 ± 1.36	0.13 ± 0.06	0.51 ± 0.29	5.19 ± 1.60
High	8.28 ± 1.22	0.05 ± 0.01	1.53 ± 0.33	14.2 ± 1.08	0.13 ± 0.04	0.53 ± 0.18	5.41 ± 1.04
Smoking status
Non-smoker	8.49 ± 1.15	0.05 ± 0.01	1.52 ± 0.36	14.2 ± 1.29	0.13 ± 0.05	0.52 ± 0.26	5.41 ± 1.41
Smoker	8.00 ± 0.84	0.05 ± 0.01	1.52 ± 0.23	14.8 ± 0.95	0.15 ± 0.06	0.51 ± 0.18	4.18 ± 0.95
Physical activity
Yes	8.39 ± 1.28	0.05 ± 0.01	1.50 ± 0.33	14.1 ± 1.14	0.13 ± 0.04	0.58 ± 0.25	5.81 ± 1.49
No	8.45 ± 1.07	0.05 ± 0.01	1.52 ± 0.36	14.4 ± 1.31	0.13 ± 0.05	0.49 ± 0.25	5.05 ± 1.33
n-3 PUFA supplement use
Yes	8.34 ± 1.19	0.05 ± 0.01	1.50 ± 0.32	14.3 ± 1.71	0.13 ± 0.04	0.55 ± 0.22	5.52 ± 1.37
No	8.46 ± 1.12	0.05 ± 0.01	1.52 ± 0.36	14.3 ± 1.22	0.13 ± 0.05	0.50 ± 0.26	5.19 ± 1.43
EPA supplement intake (mg/day)	r = − 0.20	r = − 0.11	r = − 0.03	r = 0.12	r = − 0.05	r = 0.28	r = − 0.01
DHA supplement intake (mg/day)	r = − 0.41	r = − 0.04	r = 0.04	r = − 0.26	r = − 0.27	r = 0.56	r = 0.57

Data are presented as mean ± SD or as Pearson correlation coefficient
Bold font indicates P-values less than 0.05

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