Sentence examples for misclassification of dietary from inspiring English sources

Because dietary assessment was based on self-administered questionnaires, misclassification of dietary magnesium intake is inevitable.

The FFQ is susceptible to measurement error and potential unquantified systematic biases that may have led to misclassification of dietary intake.

However, again some misclassification of dietary intake cannot be ruled out, such a misclassification is likely to be non-differential, and attenuating any true association.

Limitations are that we cannot exclude some misclassification of dietary fat intake due to the fact that dietary intake was self-reported.

Although the validity and reliability of our dietary questionnaire have been previously evaluated [ 15, 18], potential misclassification of dietary patterns may have affected our results.

Another potential problem is recall bias, where differential misclassification of dietary intake between cases and controls may overestimate the association between diet and cancer [ 48].

This may have minimised the misclassification of the dietary assessment.

Second, the estimated 30% increase in oestrone levels from grapefruit intake may be an underestimate because of misclassification of true dietary intake and because it does not include grapefruit juice.

Dietary measurement errors may have occurred in our dietary assessment, including nondifferential misclassification of exposure, and dietary recall bias related to cancer status, BMI and possibly other relevant exposures all of which would attenuate effect estimates [ 49, 50].

Generally, a single dietary measurement at baseline is susceptible to misclassification of long-term dietary intake because of reporting bias and changes occurring in the diet (48, 49).

In addition, our analysis was based on a single measurement of dietary intake; thus, any misclassification could skew any true association (Schatzkin et al, 2003).