Sentence examples for methods of ascertainment from inspiring English sources

Study design: In a population-based cohort study, infants with birth defects were ascertained through the Metropolitan Atlanta Congenital Defects Program, a surveillance system with active methods of ascertainment.

In particular, the methods of ascertainment from the Health and Retirement Study are described briefly, along with those of the Aging, Demographics, and Memory Study (ADAMS).

These data suggest differing methods of ascertainment dependent upon the condition being studied.

Both studies reported that the two methods of ascertainment yielded similar rates of prevalence.

The methods of ascertainment were as described previously (Hawkins et al, 1992).

Some of the differences observed in terms of the socioeconomic features could be due to the different methods of ascertainment.

The main set of limitations relates to our method of ascertainment and potential bias towards undercounting the number of women dispensed contraceptives post-prison release.

Most studies used the same method of ascertainment for both FEM and HC participants, but this was not clearly specified in one study (Fleck et al. 2008).

In observational study contexts, on the other hand, they are the result of the method of ascertainment, which can lead to partial distortion of the observations.

To compare time to evaluation and symptoms at diagnosis of propionic acidemia (PA) by method of ascertainment, and to explore correlations between genotype and biochemical variables.

Participants in this study completed a multifactorial baseline assessment of putative predictors of falls and then completed prospective falls diaries for a period of 12 months, which is known to be a robust method of ascertainment of falls.