Table 4.

Spearman's rank correlation coefficients (95% CI^a) between the frequency of fish product intake estimated with a food frequency questionnaire (FFQ) and the µg/mL and weight percentage of plasma phospholipid EPA and DHA (n=102^b)

	EPA	DHA	EPA	DHA
Fish product	µg/mL	µg/mL	Weight Percentage	Weight Percentage
Total oily fish	0.26 (0.07, 0.43)*	0.37 (0.18, 0.54)*	0.28 (0.10, 0.45)*	0.40 (0.23, 0.55)*
Other fish	0.07 (−0.11, 0.27)	−0.12 (−0.31, 0.06)	0.07 (−0.11, 0.25)	−0.14 (−0.33, 0.05)
Total fish	0.25 (0.06, 0.42)*	0.29 (0.09, 0.47)*	0.27 (0.08, 0.42)*	0.30 (0.10, 0.47)*
Cod liver oil	0.47 (0.30, 0.61)*	0.50 (0.31, 0.64)*	0.46 (0.28, 0.61)*	0.46 (0.27, 0.61)*
Cod liver oil/total oily fish	0.48 (0.29, 0.62)*	0.51 (0.32, 0.66)*	0.47 (0.30, 0.63)*	0.49 (0.31, 0.64)*
Cod liver oil/total fish	0.46 (0.27, 0.62)*	0.45 (0.26, 0.62)*	0.45 (0.26, 0.60)*	0.43 (0.23, 0.59)*

^aPresented with 95% CI based on 1,000 bootstrap samples.

^bn=8 observations were considered outliers and excluded from the analysis.

^*P≤0.01.