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Table 4 Correspondence between the original data and test data when using "Fewer sets of portion size photos" and "No individual recipes": Pearson correlation coefficients (r), and percent agreement (%) in cross-classification, of selected nutrientsa (n = 156).

From: A methodological report from the Malmö Diet and Cancer study: development and evaluation of altered routines in dietary data processing

Nutrient

Fewer sets of portion size photos

No individual recipes

 

r

%

r

%

Linoleic acid

0.984

85

0.999

99

α linolenic acid

0.984

86

0.999

98

Eicosapentaenoic acid

0.976

88

0.999

98

Tocopherol

0.979

78

0.999

97

β-carotene

0.956

74

0.995

98

Ascorbic acid

0.978

84

0.999

98

Dietary fibre

0.988

89

0.999

99

B12

0.986

82

0.997

95

  1. a Energy-adjusted (residual method)