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Table 3 Spearman correlation coefficients between food-frequency questionnaire derived dietary fish as well as fatty acid compositions and plasma fatty acid compositions in all study participants, after adjusting for age, gender and total energy intake

From: A Taiwanese food frequency questionnaire correlates with plasma docosahexaenoic acid but not with plasma eicosapentaenoic acid levels: questionnaires and plasma biomarkers

Questionnaire Deep sea fish Other fish Seafood Total fish & seafood Saturated fat (% fat) Monounsaturated fat (% fat) Polyunsaturated fat (% fat) C20:5 (% fat) C22:5 (% fat) C22:6 (% fat)
Plasma composition           
Saturated fat −0.125* 0.044 −0.053 −0.013 0.116* −0.030 −0.007 −0.073 −0.055 −0.048
Monounsaturated fat 0.007 −0.042 0.003 −0.025 0.145* 0.054 −0.131* 0.001 0.060 0.019
Polyunsaturated fat 0.042 −0.004 0.036 0.012 −0.208*** −0.016 0.087 0.010 −0.040 −0.014
N-6 fatty acid −0.002 −0.069 0.025 −0.056 −0.214*** −0.018 0.082 −0.067 −0.102 −0.090
N-3 fatty acid 0.193*** 0.274*** 0.035 0.313*** −0.016 0.043 0.032 0.334*** 0.261*** 0.321***
Marine fatty acid 0.196*** 0.284*** 0.038 0.318*** 0.015 0.074 0.000 0.336*** 0.271*** 0.328***
EPA (20:5n-3) −0.012 0.003 −0.040 0.023 −0.070 −0.076 0.091 −0.009 −0.034 −0.028
DHA (22:6n-3) 0.207*** 0.294*** 0.043 0.327*** 0.021 0.088 −0.010 0.351*** 0.287*** 0.346***
  1. The corresponding dietary intake includes all isomers of 20:1.
  2. *: P < 0.05, **: P < 0.01, ***: P < 0.001.