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Table 3 Daily fish and shellfish consumption levels according to blood mercury levels in a sample (n = 3972) from the KNHANES (2008–2009); data from 24-hour recall

From: Population correlates of circulating mercury levels in Korean adults: the Korea National Health and Nutrition Examination Survey IV

  Population meana Consumer meanb Number of consumers Quartile of blood mercury levela P for trend
     Q1 Q2 Q3 Q4  
White fish         
Pollockc 5.8 56.8 354 4.4 4.8 7.7 6.2 0.1
Yellow corvina 3.3 57.0 203 2.4 3.0 3.1 4.8 0.006
Cutlassfish 1.6 37.8 143 0.9 1.9 1.6 1.8 0.2
Halibut 1.2 83.0 49 0.6 0.8 0.8 2.5 <0.001
Cod 0.4 40.7 34 0.2 0.3 0.5 0.6 0.1
Flounder 0.5 57.2 28 0.4 0.7 0.5 0.3 0.6
Sea bream 0.7 91.5 28 0.7 0.7 0.5 1.1 0.6
Monk fish 0.5 102.4 18 0.2 0.5 0.9 0.6 0.3
Arabesque greenling 0.5 112.2 15 0.9 0.2 0.7 0.1 0.3
Oily/fatty fish         
Anchovy 7.3 15.1 1691 6.8 6.7 7.5 8.3 0.01
Mackerelc 5.5 64.1 298 4.0 5.0 5.7 7.3 0.009
Pacific saury 1.6 67.9 83 1.1 2.8 1.6 0.9 0.4
Eel 1.2 64.4 66 1.2 1.0 0.8 1.9 0.3
Tuna (fresh) 0.9 58.6 53 0.5 0.3 0.8 2.0 <0.001
Salmon 0.2 28.8 30 0.1 0.2 0.3 0.4 0.08
Spanish mackerel 0.5 80.9 22 0.1 0.5 1.2 0.3 0.7
Other fish         
Fish paste 5.3 36.5 506 5.1 5.7 4.9 5.6 0.8
Tuna (canned) 1.6 35.9 154 1.7 1.1 1.7 1.9 0.4
Skate 0.9 75.6 42 0.4 1.4 1.0 0.8 0.9
Rockfish 0.5 44.7 41 0.3 0.6 0.3 0.9 0.1
Filefish 0.5 48.9 39 0.1 0.3 0.7 1.1 0.003
Loach 0.8 89.6 33 0.6 0.8 1.0 1.0 0.5
  1. aMean consumption (g/day; includes that of non-consumers) of fish and seafood. Total intake level of each food item divided by total N.
  2. bMean consumption (g/day; including only consumers) of fish and seafood. Total intake level of each food item divided by consumer N.
  3. cMackerel and Pollock were independent correlates of whole blood mercury in a multivariable-adjusted analysis, including adjustments for all fish items asked in FFQ. This multivariable-adjusted analysis was conducted using FFQ data.