' Changes in taste' was identified as a missing item by a parent respondent in cohort 1.
Turns out five's a charm – the errant bear had finally been found wedged in the corner of a laundry chute, would be dispatched to me forthwith and no, this was not the most cringeworthy quest to recover a missing item pursued by the hotel, Ms Badham, it really does happen all the time.
When a HADS questionnaire was partially incomplete, the scale values were estimated by assuming that the missing item(s) had a value equal to the average of those in existence, provided that no more than three items of a subscale were missing.
After removing missing cases, missing item values were low (between < 5.3 % on four KINDL-R subscales, < 2.6 % on School for self-reports; and < 3.5 % for four subscales, <6.0 % on School. All missing item values were substituted by the EM algorithm.
Second, and more importantly, there is a close to monotonic increase in the minimum and maximum range of scores by the number of missing item responses.
The feasibility was examined by the percent of missing item responses, interviewer-reported acceptability, and the time and ease of administration.
This was confirmed later in the study by the low percentage of missing item responses.
The feasibility of the FIM was assessed by analyzing the percentage of missing item responses and the average completion time.
The feasibility of conducting quality of life interviews among TB patients using the MOS in urban Uganda setting was evaluated by examining the percent of missing item responses, interviewer-reported acceptability, and the time and ease of administration.
In addition, the score for cases with one missing item was adjusted by replacing the missing value with the median of the answers on the rest of the questionnaire.
