Table 1.
Response to reminders in RCT A
|
Full questionnaire (control) |
Incentive |
Abridged questionnaire |
||||
|---|---|---|---|---|---|---|
| |
N = 102 |
N = 102 |
N = 102 |
|||
| n | % | n | % | n | % | |
| Completed questionnaires returned |
43 |
42.2 |
52 |
51.0 |
46 |
45.1 |
| Full questionnaire versus Incentive |
|
|
|
|
|
|
| Absolute percent difference (95% CI) ; p-value |
-8.8 ( -22.5 to 4.8);.21 |
|||||
| Full questionnaire versus abridged questionnaire |
|
|
|
|
|
|
| Absolute percent difference (95% CI) |
-2.9 (-16.5, 10.7);.67 |
|||||
| p value | ||||||
Percentage difference and 95% confidence intervals were derived from the logistic regression model, a positive difference favours the full questionnaire.