Q.10 - Questionnaire response date
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First response : September 9, 2020
Last response : November 3, 2020
Duration : 55 days
Mean response date : September 26, 2020 ± 8.77 days
Number of responses on or before this date : 88
Number of responses after this date : 47
The 88 responses on or before Sept. 26 had a mean Score of 4.304±1.019 for acceptability.
The 47 responses after Sept. 26 had a mean Score of 3.912±1.172 for acceptibility.
This difference in acceptibility score for the two periods was statistically significant.
Two-tailed t, unpaired = 2,0195 df = 133 S.E. of diff = 0,194 p = 0,0454
This suggests that, as with many questionnaires, response quality changes over time.
To maintain comparability of responses, and since the desired sample size had been attained,
no further responses would be added to this sample.
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A découvrir aussi
- Q.6 - Race
- Q.7, 8, 9 - Height, Weight before and on Q day
- Q. 13 - Usual (pre-illness) Number of Prescription Medications