TABLE 6.

Model output after performing backward stepwise regression for predicting plasma PC EPA + DHA change after 1.8 g/day EPA + DHA.

Pooled mean centered regression coefficients					Standardized regression coefficients, un-imputed dataset
Term	Estimate	Std. error	Test statistic	p	Term	Estimate	Std. error	Test statistic	p
Intercept	3.915	0.193	20.27	0	Intercept	4.235	0.157	26.95	<0.001
Age	0.043	0.009	4.777	<0.001	Age	0.563	0.115	4.897	<0.001
Sex—Female	0.799	0.224	3.572	<0.001	Sex—Female	0.774	0.224	3.451	0.001
BMI	−0.088	0.035	−2.537	0.012	BMI	−0.320	0.118	−2.716	0.007
rs2241883—T/C	0.564	0.229	2.462	0.014	rs2241883 (T > C)	0.323	0.107	3.012	0.003
rs2241883—C/C	0.806	0.343	2.350	0.019
C16:0	−0.429	0.109	−3.922	<0.001	C16:0	−0.844	0.219	−3.852	<0.001
C18:0	−0.281	0.109	−2.572	0.011	C18:0	−0.496	0.197	−2.515	0.012
C18:1n-7	−0.350	0.120	−2.904	0.004	C18:1n-7	−0.488	0.173	−2.813	0.005
C18:2n-6	−0.454	0.091	−5.009	<0.001	C18:2n-6	−1.304	0.263	−4.966	<0.001
C20:4n-6	−0.491	0.111	−4.408	<0.001	C20:4n-6	−0.903	0.211	−4.287	<0.001
C20:5n-3	−1.670	0.202	−8.275	<0.001	C20:5n-3	−1.337	0.163	−8.217	<0.001
C22:6n-3	−0.548	0.112	−4.882	<0.001	C22:6n-3	−0.702	0.142	−4.935	<0.001

Data showing mean-centered regression coefficients pooled across all imputed datasets (left), and upon applying the model to the standardized un-imputed dataset (right, continuous numeric scale variables standardized only).