Sentence examples for misclassification of maternal from inspiring English sources

We acknowledge the potential for misclassification of maternal smoking status in early and late pregnancy.

The direction of bias resulting from differential misclassification of maternal medication use is unpredictable.

21 Nondifferential misclassification of maternal drug exposure, if severe, may nullify the observed estimate of effect, if an effect exists.

Health workers experience difficulties with coding and death certificate completion, and with the misclassification of maternal vs. non-maternal deaths, as well as specific causes.

Finally, we restricted analyses to immigrant women who arrived at age 20 or older to reduce the misclassification of maternal education and marital status.

It is therefore possible that there is still an unmeasured smoking confounding effect in the present study due to misclassification of maternal smoking status.

Under-reporting has several causes, including incomplete ascertainment or misclassifications of maternal deaths as non-maternal.

Hospital studies have shown that routine methods of identifying maternal deaths underestimate the number by one-half to two-thirds (1– 4), with the main problem being the misclassification of indirect maternal deaths as non-maternal.

Given that AFM is around five times higher than MMR there is a large scope for the MMR to be inflated by misclassification of non-maternal adult female deaths as maternal.

In the present study, we also noted similar proportions of misclassification for maternal and paternal occupations by case-control status.

Our sensitivity analysis of differential outcome misclassification by level of maternal education yielded corrected PRs that were higher than the naive unadjusted estimates [ Figure 1C; also see Supplemental Material, Tables S2 and S3 (http://ox.doi.org/10.1289/ehp.1104556)].