Association of maternal omega-6 fatty acid intake with infant birth outcomes: Korean Mothers and Children’s Environmental Health (MOCEH)

Table 4 Odds ratio (OR) and 95% confidence interval (CI) of birth weight and birth length with quintile of omega 6 intakes in the subjects

		n-6 FA intakes, quintiles (range, g/d)
		Q1	Q2	Q3	Q4	Q5	P for trend
		(0.44–5.70)	(5.70–8.07)	(8.07–10.76)	(10.76–15.16)	(15.16–47.57)	P for trend
Birth weight (n 1078)
For below 10th% (n 111)
Unadjusted	OR	1.00	0.797	0.717	0.728	1.554	0.424
Unadjusted	95% CI		0.420–1.510	0.371–1.383	0.377–1.405	0.885–2.730
Adjusted^a	OR	1.00	0.666	0.680	0.939	2.444	0.010^*
Adjusted^a	95% CI		0.302–1.468	0.293–1.574	0.418–2.108	1.038–5.751
For above 90th% (n 116)
Unadjusted	OR	1.00	1.026	0.834	0.725	0.611	0.078
Unadjusted	95% CI		0.583–1.807	0.462–1.507	0.393–1.338	0.326–1.146
Adjusted^a	OR	1.00	0.974	0.633	0.716	0.539	0.109
Adjusted^a	95% CI		0.517–1.836	0.316–1.268	0.350–1.465	0.237–1.224
Birth length (n 1008)
For below 10th% (n 100)
Unadjusted	OR	1.00	0.951	0.994	0.476	0.968	0.593
Unadjusted	95% CI		0.508–1.779	0.531–1.861	0.224–1.010	0.521–1.799
Adjusted^b	OR	1.00	0.694	1.163	0.501	1.300	0.597
Adjusted^b	95% CI		0.320–1.503	0.546–2.476	0.200–1.250	0.534–3.165
For above 90th% (n 184)
Unadjusted	OR	1.00	0.917	0.963	0.921	0.509	0.015^*
Unadjusted	95% CI		0.563–1.493	0.591–1.570	0.562–1.509	0.296–0.874
Adjusted^b	OR	1.00	0.985	0.902	0.910	0.432	0.020^*
Adjusted^b	95% CI		0.559–1.735	0.501–1.655	0.501–1.655	0.211–0.884

*P < 0.05
^aAdjusted for maternal age, pre-pregnancy BMI, level of education, neonatal gender, maternal urinary cotinine level (ln), gestational age and energy intake
^bAdjusted for maternal age, pre-pregnancy BMI, level of education, neonatal gender, maternal urinary cotinine level (ln), gestational age, energy and vitamin C intake

ISSN: 1475-2891