Exact(1)
38 This paper reports outcome data from the patient participants only, with reference to the demographics and attrition data collected from the sample of relatives.
Similar(59)
In this paper we report on our analysis of attrition in data collected by the Whitehall II Study.
However, despite high attrition and low utilisation, data collected as part of this research indicated that the majority of respondents (>60%) felt the website was clear/very clear and easy/very easy to use both at six and 12 months.
This is important in studies utilizing life-course data, since attrition and missing values are common in data collected over a long period of time.
High attrition rates hinder the interpretation of the QOL data collected during the study, in addition to the lack of an observation-only comparator.
The use of MMRM analysis maximizes the use of available data collected during the study to minimize biases associated with attrition.
We used data collected on 1,573 adults who were ultimately accepted for admission to analyze treatment refusals and attrition during the 25 days after admission.
How was research data collected?
Data collected in Grand Canyon, Arizona.
How was the data collected?
And how was the data collected?
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