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The data were not originally collected for research purposes and therefore reliability and validity are unknown.
Because the data were not originally collected for research purposes, we did not collect any demographic information from the students, nor did we recruit classes or offer compensation of any kind.
However, there are limitations arising from the fact that the data were not originally collected for this study.
For example, survey data used in Study One was not originally collected for the purpose of investigating weight stigma in maternity care.
This result must be interpreted with caution as the sample size of NRT users (N = 1927) was small and the data were not originally collected for this study.
All of these studies used secondary data from the disease registry, hospital records, or data that were not originally collected for the purpose of studying excess mortality.
Similar(52)
Limitations in this study included the use of administrative data to determine number of primary care visits, which were not originally collected with the intention for use in health research.
Our work clearly demonstrates how additional important health information (data not originally collected by the study) can be obtained and used for epidemiologic study.
In contrast, analysis of routine data constitutes secondary use, since the data were originally collected for the purposes of delivering healthcare and not for the analytical purposes to which they are subsequently put.
The data was originally collected for the purpose of service evaluation which did not require patient consent.
Applicants may also secure access to other data sets that may or may not be in the public domain, such as those collected under research grant funds, sponsored by private entities, or originally collected for purposes other than research, such as health care administrative data sets.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com