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Table 2 Components of reliability and measurement error expressed as ratios of between-person variance or covariance to total (co)variance for related dietary nutrients

From: Repeatability and measurement error in the assessment of choline and betaine dietary intake: the Atherosclerosis Risk in Communities (ARIC) Study

  Choline Total Energy Intake Folate Methionine
Choline 6,228
0.50
21,749 2,904 32,956
Total Energy Intake 0.44 145,397
0.43
15,079 131,704
Folate 0.48 0.47 5,504
0.53
15,587
Methionine 0.50 0.47 0.45 221,628
0.48
  1. Note 1: The ratios of between person-variance to total variance are the reliability coefficients (presented in bold italic)
  2. Note 2: The value presented in the upper-right half of the table are the values for the error variance (italic) and covariance error terms