Skip to main content

Advertisement

Table 5 Example for equation 7

From: Measurement error adjustment in essential fatty acid intake from a food frequency questionnaire: alternative approaches and methods

Obs. i Error-prone var. (Q1 = W1) Replicate (Q2 = W2) (M = W2) Replicate 2...k (Q3 = W3) (N = W3) Non-error prone var. (Z) Y
1 1.02 1.05 1.10 55 0
2 0.80 Missing 0.65 60 1
3 1.50 Missing Missing 62 0
... ... ... ... ... ...
n nQ1 = 7,814 nM = 2,251 nN = 2,251 nZ = nY = 7,814  
   nQ2 = 657 nQ3 = 7,482