This involved filling missing data responses with responses determined from the most similar complete records.
Of the variables we examined, including gender, age, area of research, and intention to pursue a research career, only time allocation for research activities was significantly associated with having a mentor.> -wrap-foot> Note: Due to missing data, responses do not always total to 389.
Data checks to identify out-of-range answers, inconsistent responses, missing data, and response rates are performed on a monthly basis.
The US survey received 333 responses of which 10 had to be excluded because of missing data (effective response rate 50%).
Questionnaires were assessed for data quality including missing data and response frequencies.
For instance, in case of a self-reported HR-QoL questionnaire, data can be considered MCAR if the probability of missing data (missing response on one or more items for instance) is independent of the patient's HR-QoL.
Section 2: Complementary treatments received from physicians Missing data in response to the question "No. of times" ranged from 20%to83%3% in the breast cancer sample, and was much lower in the internet sample.
The 26 ineligible children included 13 with missing data regarding response to induction therapy, 10 who did not enrol on a standardised treatment protocol, two with no follow-up data, and one whose diagnosis was later confirmed not to be ALL.
Scenario one contains the immediate response data versus the missing data (reminder-response or actual non-responders).
Due to implausible or missing data, 133 responses were excluded from the regression.
